Bank VREF Bank Pin Name/Function Optional Function(s) Configuration T144

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Pin Information for the Cyclone™ EP1C6 Device
Final version 1.2
Bank
Number
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
VREF Bank
VREF0B1
VREF0B1
VREF0B1
VREF0B1
VREF0B1
VREF0B1
VREF0B1
VREF0B1
VREF0B1
VREF0B1
VREF0B1
VREF0B1
VREF0B1
VREF0B1
VREF0B1
VREF0B1
VREF0B1
VREF0B1
VREF0B1
VREF0B1
VREF0B1
VREF0B1
VREF1B1
VREF1B1
VREF1B1
VREF1B1
VREF1B1
VREF1B1
VREF1B1
VREF1B1
VREF1B1
VREF1B1
VREF1B1
VREF1B1
VREF1B1
VREF1B1
Pin Name/Function Optional Function(s) Configuration
Function
IO
LVDS14p
INIT_DONE
IO
LVDS14n
IO
LVDS13p
CLKUSR
IO
LVDS13n
IO
VREF0B1
IO
IO
LVDS12p
IO
LVDS12n
VCCIO1
GND
IO
DPCLK1
IO
LVDS11p
IO
LVDS11n
IO
LVDS10p
IO
LVDS10n
IO
LVDS9p
IO
LVDS9n
IO
LVDS8p
IO
LVDS8n
IO
LVDS7p
IO
LVDS7n
VCCIO1
IO
VREF1B1
IO
nCSO
DATA0
DATA0
nCONFIG
nCONFIG
VCCA_PLL1
CLK0
LVDSCLK1p
CLK1
LVDSCLK1n
GNDA_PLL1
GNDG_PLL1
nCEO
nCEO
nCE
nCE
MSEL0
MSEL0
MSEL1
MSEL1
DCLK
DCLK
Copyright © 2003 Altera Corp.
Pin List
T144
Q240
F256
1
2
3
4
5
6
7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
D4
C3
C2
B1
G5
F4
D3
E4
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
F5
E3
D2
E2
D1
F3
G3
F2
E1
G2
F1
DQS for x8 in DQS for x8 in DQS for x8 in
the T144
the Q240
the F256
DM1L
DQ1L0
DQ1L1
DQ1L2
DQ1L3
DQ0L0
DQ0L1
DQ0L0
DQ0L1
DQS0L
DQ0L2
DQ0L3
DQS0L
DQ0L2
DQ0L3
DM0L
DM0L
H5
G4
H2
H3
H6
G1
H1
J6
J5
H4
J4
J3
J2
K4
Page 1 of 13
Pin Information for the Cyclone™ EP1C6 Device
Final version 1.2
Bank
Number
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B4
B4
B4
B4
B4
B4
B4
B4
B4
B4
VREF Bank
VREF1B1
VREF1B1
VREF1B1
VREF2B1
VREF2B1
VREF2B1
VREF2B1
VREF2B1
VREF2B1
VREF2B1
VREF2B1
VREF2B1
VREF2B1
VREF2B1
VREF2B1
VREF2B1
VREF2B1
VREF2B1
VREF2B1
VREF2B1
VREF2B1
VREF2B1
VREF2B1
VREF2B1
VREF2B4
VREF2B4
VREF2B4
VREF2B4
VREF2B4
VREF2B4
VREF2B4
VREF2B4
VREF2B4
VREF2B4
VREF2B4
VREF2B4
Pin Name/Function Optional Function(s) Configuration
Function
IO
ASDO
IO
PLL1_OUTp
IO
PLL1_OUTn
GND
IO
IO
LVDS6p
IO
LVDS6n
IO
LVDS5p
IO
LVDS5n
IO
LVDS4p
IO
LVDS4n
IO
LVDS3p
IO
LVDS3n
IO
DPCLK0
VCCIO1
GND
IO
LVDS2p
IO
LVDS2n
IO
VREF2B1
IO
IO
LVDS1p
IO
LVDS1n
IO
LVDS0p
IO
LVDS0n
IO
LVDS71p
IO
LVDS71n
IO
LVDS70p
IO
LVDS70n
IO
LVDS69p
IO
LVDS69n
IO
LVDS68p
IO
LVDS68n
GND
VCCIO4
GND
VCCINT
Copyright © 2003 Altera Corp.
Pin List
T144
Q240
F256
25
26
27
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
K3
J1
K2
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
L3
K1
L1
L2
M1
N1
M2
N2
M3
L5
M4
N3
K5
L4
R1
P2
P3
N4
R2
T2
R3
P4
R4
T4
R5
P5
DQS for x8 in DQS for x8 in DQS for x8 in
the T144
the Q240
the F256
DQ0L4
DQ0L5
DQ0L4
DQ0L5
DQ0L6
DQ0L7
DQ0L6
DQ0L7
DQ1B7
DQ1B6
DQ1B7
DQ1B6
DQS1L
DQ1L4
DQ1L5
DQ1L6
DQ1L7
DQ1B7
DQ1B6
DQ1B5
DQ1B4
Page 2 of 13
Pin Information for the Cyclone™ EP1C6 Device
Final version 1.2
Bank
Number
B4
B4
B4
B4
B4
B4
B4
B4
B4
B4
B4
B4
B4
B4
B4
B4
B4
B4
B4
B4
B4
B4
B4
B4
B4
B4
B4
B4
B4
B4
B4
B4
B4
B4
VREF Bank
VREF2B4
VREF2B4
VREF2B4
VREF2B4
VREF2B4
VREF2B4
VREF2B4
VREF2B4
VREF2B4
VREF2B4
VREF2B4
VREF2B4
VREF2B4
VREF1B4
VREF1B4
VREF1B4
VREF1B4
VREF1B4
VREF1B4
VREF1B4
VREF1B4
VREF1B4
VREF1B4
VREF1B4
VREF1B4
VREF1B4
VREF1B4
VREF1B4
VREF1B4
VREF0B4
VREF0B4
VREF0B4
VREF0B4
VREF0B4
VREF0B4
VREF0B4
Pin Name/Function Optional Function(s) Configuration
Function
IO
DPCLK7
IO
VREF2B4
IO
LVDS67p
IO
LVDS67n
IO
LVDS66p
IO
LVDS66n
IO
IO
LVDS65p
IO
LVDS65n
IO
LVDS64p
IO
LVDS64n
IO
LVDS63p
IO
LVDS63n
IO
LVDS62p
IO
LVDS62n
IO
GND
VCCINT
GND
VCCIO4
IO
VREF1B4
IO
LVDS61p
IO
LVDS61n
IO
LVDS60p
IO
LVDS60n
IO
LVDS59p
IO
LVDS59n
IO
LVDS58p
IO
LVDS58n
IO
LVDS57p
IO
LVDS57n
IO
LVDS56p
IO
LVDS56n
IO
IO
VREF0B4
IO
DPCLK6
Copyright © 2003 Altera Corp.
Pin List
T144
Q240
F256
47
48
49
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
M5
M6
N5
N6
P6
R6
M7
T6
R7
P7
N7
R8
T8
N8
P8
M8
50
51
52
53
54
55
56
57
58
59
60
61
62
M10
R9
T9
P9
N9
R10
T11
N10
P10
R11
P11
N11
N12
M9
M11
M12
DQS for x8 in DQS for x8 in DQS for x8 in
the T144
the Q240
the F256
DQS1B
DQS1B
DQS1B
DM1B
DQ1B5
DQ1B4
DQ1B5
DQ1B4
DM1B
DM1B
Page 3 of 13
Pin Information for the Cyclone™ EP1C6 Device
Final version 1.2
Bank
Number
B4
B4
B4
B4
B4
B4
B4
B4
B4
B4
B3
B3
B3
B3
B3
B3
B3
B3
B3
B3
B3
B3
B3
B3
B3
B3
B3
B3
B3
B3
B3
B3
B3
B3
VREF Bank
VREF0B4
VREF0B4
VREF0B4
VREF0B4
VREF0B4
VREF0B4
VREF0B4
VREF0B4
VREF0B4
VREF0B4
VREF0B4
VREF0B4
VREF2B3
VREF2B3
VREF2B3
VREF2B3
VREF2B3
VREF2B3
VREF2B3
VREF2B3
VREF2B3
VREF2B3
VREF2B3
VREF2B3
VREF2B3
VREF2B3
VREF2B3
VREF2B3
VREF2B3
VREF2B3
VREF2B3
VREF2B3
VREF2B3
VREF2B3
VREF1B3
VREF1B3
Pin Name/Function Optional Function(s) Configuration
Function
GND
VCCINT
GND
VCCIO4
IO
LVDS55p
IO
LVDS55n
IO
LVDS54p
IO
LVDS54n
IO
LVDS53p
IO
LVDS53n
IO
LVDS52p
IO
LVDS52n
IO
LVDS51n
IO
LVDS51p
IO
LVDS50n
IO
LVDS50p
IO
LVDS49n
IO
LVDS49p
IO
VREF2B3
IO
GND
VCCIO3
IO
DPCLK5
IO
LVDS48n
IO
LVDS48p
IO
LVDS47n
IO
LVDS47p
IO
LVDS46n
IO
LVDS46p
IO
LVDS45n
IO
LVDS45p
IO
LVDS44n
IO
LVDS44p
GND
IO
PLL2_OUTn
IO
PLL2_OUTp
Copyright © 2003 Altera Corp.
Pin List
T144
Q240
63
64
65
66
67
68
69
70
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
F256
DQS for x8 in DQS for x8 in DQS for x8 in
the T144
the Q240
the F256
P12
R12
T13
R13
R14
P13
T15
R15
N13
P14
P15
R16
N15
N16
K12
K14
DQ1B3
DQ1B2
DQ1B1
DQ1B0
DQ1B3
DQ1B2
DQ1B1
DQ1B0
DQ1B3
DQ1B2
DQ1B1
DQ1B0
DQ1R7
DQ1R6
DQ1R7
DQ1R7
DQ1R6
DQ1R6
L12
N14
M13
M14
L13
M15
M16
L14
L15
L16
K16
DQS1R
DQ1R5
DQ1R4
DM1R
DQS1R
DQ1R5
DQ1R4
DQS1R
DQ1R5
DQ1R4
K15
J16
Page 4 of 13
Pin Information for the Cyclone™ EP1C6 Device
Final version 1.2
Bank
Number
B3
B3
B3
B3
B3
B3
B3
B3
B3
B3
B3
B3
B3
B3
B3
B3
B3
B3
B3
B3
B3
B3
B3
B3
B3
B3
B3
B3
B3
B3
B3
B3
B3
VREF Bank
VREF1B3
VREF1B3
VREF1B3
VREF1B3
VREF1B3
VREF1B3
VREF1B3
VREF1B3
VREF1B3
VREF1B3
VREF1B3
VREF1B3
VREF0B3
VREF0B3
VREF0B3
VREF0B3
VREF0B3
VREF0B3
VREF0B3
VREF0B3
VREF0B3
VREF0B3
VREF0B3
VREF0B3
VREF0B3
VREF0B3
VREF0B3
VREF0B3
VREF0B3
VREF0B3
VREF0B3
VREF0B3
VREF0B3
VREF0B3
VREF0B3
VREF0B3
Pin Name/Function Optional Function(s) Configuration
Function
CONF_DONE
CONF_DONE
nSTATUS
nSTATUS
TCK
TCK
TMS
TMS
TDO
TDO
GNDG_PLL2
GNDA_PLL2
CLK3
LVDSCLK2n
CLK2
LVDSCLK2p
VCCA_PLL2
TDI
TDI
IO
VREF1B3
VCCIO3
IO
LVDS43n
IO
LVDS43p
IO
LVDS42n
IO
LVDS42p
IO
LVDS41n
IO
LVDS41p
IO
LVDS40n
IO
LVDS40p
IO
LVDS39n
IO
LVDS39p
IO
LVDS38n
IO
LVDS38p
IO
DPCLK4
GND
VCCIO3
IO
LVDS37n
IO
LVDS37p
IO
IO
VREF0B3
IO
LVDS36n
IO
LVDS36p
IO
LVDS35n
IO
LVDS35p
Copyright © 2003 Altera Corp.
Pin List
T144
Q240
F256
86
87
88
89
90
91
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
K13
J13
J14
J15
H15
J12
J11
H16
G16
H11
H14
H12
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
G14
G13
G15
F16
F14
F13
F15
E16
E15
D16
D15
E14
F12
E13
D14
H13
G12
B16
C15
C14
D13
DQS for x8 in DQS for x8 in DQS for x8 in
the T144
the Q240
the F256
DM1R
DM1R
DQ1R3
DQ1R2
DQ1R1
DQ1R3
DQ1R3
DQ1R0
DQ1R2
DQ1R1
DQ1R0
DQ1R2
DQ1R1
DQ1R0
Page 5 of 13
Pin Information for the Cyclone™ EP1C6 Device
Final version 1.2
Bank
Number
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
VREF Bank
VREF0B2
VREF0B2
VREF0B2
VREF0B2
VREF0B2
VREF0B2
VREF0B2
VREF0B2
VREF0B2
VREF0B2
VREF0B2
VREF0B2
VREF0B2
VREF0B2
VREF0B2
VREF0B2
VREF0B2
VREF0B2
VREF0B2
VREF1B2
VREF1B2
VREF1B2
VREF1B2
VREF1B2
VREF1B2
VREF1B2
VREF1B2
VREF1B2
VREF1B2
VREF1B2
VREF1B2
VREF1B2
VREF1B2
VREF1B2
VREF1B2
VREF2B2
Pin Name/Function Optional Function(s) Configuration
Function
IO
LVDS34n
IO
LVDS34p
IO
LVDS33n
IO
LVDS33p
IO
LVDS32n
IO
LVDS32p
IO
LVDS31n
IO
LVDS31p
VCCIO2
GND
VCCINT
GND
IO
DPCLK3
IO
VREF0B2
IO
IO
LVDS30n
IO
LVDS30p
IO
LVDS29n
IO
LVDS29p
IO
LVDS28n
IO
LVDS28p
IO
LVDS27n
IO
LVDS27p
IO
LVDS26n
IO
LVDS26p
IO
LVDS25n
IO
LVDS25p
IO
VREF1B2
VCCIO2
GND
VCCINT
GND
IO
IO
LVDS24n
IO
LVDS24p
IO
LVDS23n
Copyright © 2003 Altera Corp.
Pin List
T144
Q240
F256
109
110
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
B15
A15
B14
C13
B13
A13
B12
C12
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
E12
E11
E9
D12
D11
C11
B11
A11
B10
C10
D10
A9
B9
D9
C9
E10
DQS for x8 in DQS for x8 in DQS for x8 in
the T144
the Q240
the F256
DQ0T0
DQ0T1
DQ0T2
DQ0T3
DQ0T0
DQ0T1
DQ0T2
DQ0T3
DQ0T0
DQ0T1
DQ0T2
DQ0T3
DQS0T
DQS0T
DQS0T
DM0T
DM0T
DM0T
E8
C8
D8
A8
Page 6 of 13
Pin Information for the Cyclone™ EP1C6 Device
Final version 1.2
Bank
Number
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
VREF Bank
VREF2B2
VREF2B2
VREF2B2
VREF2B2
VREF2B2
VREF2B2
VREF2B2
VREF2B2
VREF2B2
VREF2B2
VREF2B2
VREF2B2
VREF2B2
VREF2B2
VREF2B2
VREF2B2
VREF2B2
VREF2B2
VREF2B2
VREF2B2
VREF2B2
VREF2B2
VREF2B2
VREF2B2
Pin Name/Function Optional Function(s) Configuration
Function
IO
LVDS23p
IO
LVDS22n
IO
LVDS22p
IO
LVDS21n
IO
LVDS21p
IO
IO
LVDS20n
IO
LVDS20p
IO
LVDS19n
IO
LVDS19p
IO
VREF2B2
IO
DPCLK2
VCCINT
GND
VCCIO2
GND
IO
LVDS18n
IO
LVDS18p
IO
LVDS17n
IO
LVDS17p
IO
LVDS16n
IO
LVDS16p
IO
LVDS15n
DEV_OE
IO
LVDS15p
DEV_CLRn
VCCINT
VCCINT
VCCINT
VCCINT
VCCINT
VCCINT
VCCINT
VCCINT
VCCINT
VCCINT
VCCINT
VCCINT
Copyright © 2003 Altera Corp.
Pin List
T144
Q240
F256
131
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
B8
D7
C7
B7
A6
E7
B6
C6
D6
D5
E6
E5
132
133
134
135
136
137
138
139
140
141
142
143
144
C5
B5
A4
B4
C4
B3
A2
B2
A7
A10
G8
G10
H7
H9
J8
J10
K7
K9
T7
T10
DQS for x8 in DQS for x8 in DQS for x8 in
the T144
the Q240
the F256
DQ0T4
DQ0T5
DQ0T6
DQ0T7
DQ0T4
DQ0T5
DQ0T6
DQ0T7
DQ0T4
DQ0T5
DQ0T6
DQ0T7
Page 7 of 13
Pin Information for the Cyclone™ EP1C6 Device
Final version 1.2
Bank
Number
VREF Bank
Pin Name/Function Optional Function(s) Configuration
Function
VCCIO1
VCCIO1
VCCIO1
VCCIO4
VCCIO4
VCCIO4
VCCIO4
VCCIO3
VCCIO3
VCCIO3
VCCIO2
VCCIO2
VCCIO2
VCCIO2
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
Copyright © 2003 Altera Corp.
Pin List
T144
Q240
F256
DQS for x8 in DQS for x8 in DQS for x8 in
the T144
the Q240
the F256
C1
G6
P1
T3
L7
L10
T14
P16
K11
C16
A14
F10
F7
A3
A1
A16
A5
A12
F6
F8
F9
F11
G7
G9
G11
H8
H10
J7
J9
K6
K8
K10
L6
L8
L9
L11
Page 8 of 13
Pin Information for the Cyclone™ EP1C6 Device
Final version 1.2
Bank
Number
VREF Bank
Pin Name/Function Optional Function(s) Configuration
Function
GND
GND
GND
GND
Copyright © 2003 Altera Corp.
Pin List
T144
Q240
F256
DQS for x8 in DQS for x8 in DQS for x8 in
the T144
the Q240
the F256
T1
T5
T12
T16
Page 9 of 13
Pin Information for the Cyclone™ EP1C6 Device
version 1.2
Pin Name
Pin Type (1st, 2nd, &
3rd Function)
VCCIO[1..4]
Power
VCCINT
Power
VREF[0..2]B[1..4]
I/O, Input
VCCA_PLL[1..2]
GNDA_PLL[1..2]
GNDG_PLL[1..2]
Power
Ground
Ground
nSTATUS
Bidirectional (opendrain)
Bidirectional (opendrain)
nCONFIG
Input
CONF_DONE
DCLK
DATA0
nCE
nCEO
ASDO
nCSO
INIT_DONE
Pin Description
Supply and Reference Pins
These are I/O supply voltage pins for banks 1 through 4. Each bank can support a different voltage level.
VCCIO supplies power to the output buffers for all I/O standards. VCCIO also supplies power to the input
buffers used for the LVTTL, LVCMOS, 1.5-V, 1.8-V, 2.5-V, and 3.3-V PCI I/O standards.
These are internal logic array voltage supply pins. VCCINT also supplies power to the input buffers used for
the LVDS, SSTL2, and SSTL3 I/O standards.
Input reference voltage for banks 1-4. If a bank uses a voltage-referenced I/O standard, then these pins are
used as the voltage-reference pins for the bank. If voltage reference I/O standards are not used in the bank,
the VREF pins are available as user I/O pins.
Analog power for PLLs[1..2]. The designer must connect this pin to 1.5 V, even if the PLL is not used.
Analog ground for PLLs[1..2]. The designer can connect this pin to the GND plane on the board.
Guard ring ground for PLLs[1..2]. The designer can connect this pin to the GND plane on the board.
Configuration and JTAG Pins
This is a dedicated configuration status pin; it is not available as a user I/O pin.
This is a dedicated configuration status pin; it is not available as a user I/O pin.
Dedicated configuration control input. A low transition resets the target device; a low-to-high transition begins
configuration. All I/O pins tri-state when nCONFIG is driven low.
In passive serial configuration mode, DCLK is a clock input used to clock configuration data from an external
Input (PS mode), Output source into the Cyclone device. In active serial configuration mode, DCLK is a clock output from the Cyclone
(AS mode)
device (the Cyclone device acts as master in this mode). This is a dedicated pin used for configuration.
Dedicated configuration data input pin.
Input
Active-low chip enable. Dedicated chip enable input used to detect which device is active in a chain of devices.
When nCE is low, the device is enabled. When nCE is high, the device is disabled.
Input
Output that drives low when device configuration is complete. During multi-device configuration, this pin feeds
a subsequent device’s nCE pin.
Output
Active serial data output from the Cyclone device. This output pin is utilized during active serial configuration
mode. The Cyclone device controls configuration and drives address and control information out on ASDO. In
passive serial configuration, this pin is available as a user I/O pin.
I/O, Output
Chip select output that enables/disables a serial configuration device. This output is utilized during active
serial configuration mode. The Cyclone device controls configuration and enables the serial configuration
device by driving nCSO low. In passive serial configuration, this pin is available as a user I/O pin.
I/O, Output
This is a dual-purpose pin and can be used as an I/O pin when not enabled as INIT_DONE. When enabled,
the pin indicates when the device has entered user mode. This pin can be used as a user I/O pin after
I/O, Output (open-drain) configuration.
Copyright © 2003 Altera Corp.
Pin Definitions
Page 10 of 13
Pin Information for the Cyclone™ EP1C6 Device
version 1.2
Pin Name
Pin Type (1st, 2nd, &
3rd Function)
CLKUSR
I/O, Input
DEV_CLRn
I/O, Input
DEV_OE
MSEL[1..0]
TMS
TDI
TCK
TDO
I/O, Input
Input
Input
Input
Input
Output
CLK0
Input, LVDS Input
CLK1
Input, LVDS Input
CLK2
Input, LVDS Input
CLK3
Input, LVDS Input
DPCLK[7..0]
I/O
PLL1_OUTp
I/O, Output
PLL1_OUTn
I/O, Output
PLL2_OUTp
I/O, Output
PLL2_OUTn
I/O, Output
LVDS[0..71]p
I/O, LVDS RX or TX
LVDS[0..71]n
I/O, LVDS RX or TX
Copyright © 2003 Altera Corp.
Pin Description
Optional user-supplied clock input. Synchronizes the initialization of one or more devices. This pin can be used
as a user I/O pin after configuration.
Dual-purpose pin that can override all clears on all device registers. When this pin is driven low, all registers
are cleared; when this pin is driven high, all registers behave as defined in the design.
Dual-purpose pin that can override all tri-states on the device. When this pin is driven low, all I/O pins are tristated; when this pin is driven high, all I/O pins behave as defined in the design.
Dedicated mode select control pins that set the configuration mode for the device.
This is a dedicated JTAG input pin.
This is a dedicated JTAG input pin.
This is a dedicated JTAG input pin.
This is a dedicated JTAG output pin.
Clock and PLL Pins
Dedicated global clock input. The dual-function of CLK0 is LVDSCLK1p, which is used for differential input to
PLL1.
Dedicated global clock input. The dual-function of CLK1 is LVDSCLK1n, which is used for differential input to
PLL1.
Dedicated global clock input. The dual-function of CLK2 is LVDSCLK2p, which is used for differential input to
PLL2.
Dedicated global clock input. The dual-function of CLK3 is LVDSCLK2n, which is used for differential input to
PLL2.
Dual-purpose clock pins that can connect to the global clock network. These pins can be used for high fan-out
control signals, such as clocks, clears, IRDY, TRDY, or DQS signals. These pins are also available as user
I/O pins.
External clock output from PLL 1. This pin can be used with differential or single ended I/O standards. If clock
output from PLL1 is not used, this pin is available as a user I/O pin.
Negative terminal for external clock output from PLL1. If the clock output is single ended, this pin is available
as a user I/O pin.
External clock output from PLL 2. This pin can be used with differential or single ended I/O standards. If clock
output from PLL2 is not used, this pin is available as a user I/O pin. The EP1C6T144 does not support this
output pin.
Negative terminal for external clock output from PLL2. If the clock output is single ended, this pin is available
as a user I/O pin. The EP1C6T144 does not support this output pin.
Dual-Purpose LVDS & External Memory Interface Pins
Dual-purpose LVDS I/O channels 0 to 71. These channels can be used for receiving or transmitting LVDS
compatible signals. Pins with a "p" suffix carry the positive signal for the differential channel. If not used for
LVDS interfacing, these pins are available as user I/O pins.
Dual-purpose LVDS I/O channels 0 to 71. These channels can be used for receiving or transmitting LVDS
compatible signals. Pins with an "n" suffix carry the negative signal for the differential channel. If not used for
LVDS interfacing, these pins are available as user I/O pins.
Pin Definitions
Page 11 of 13
Pin Information for the Cyclone™ EP1C6 Device
version 1.2
Pin Name
Pin Type (1st, 2nd, &
3rd Function)
LVDSCLK1p
Input, LVDS Input
LVDSCLK1n
Input, LVDS Input
LVDSCLK2p
Input, LVDS Input
LVDSCLK2n
Input, LVDS Input
DQS[0..1][L,R,T,B]
DQ[0..7][L,R,T,B]
DM[0..1][L,R,T,B]
I/O
I/O
I/O
Copyright © 2003 Altera Corp.
Pin Description
Dual-purpose LVDS clock input to PLL1. If differential input to PLL1 is not required, this pin is
available as the CLK0 input pin.
Dual-purpose LVDS clock input to PLL1. If differential input to PLL1 is not required, this pin is
available as the CLK1 input pin.
Dual-purpose LVDS clock input to PLL2. If differential input to PLL2 is not required, this pin is
available as the CLK2 input pin.
Dual-purpose LVDS clock input to PLL2. If differential input to PLL2 is not required, this pin is
available as the CLK3 input pin.
Optional data strobe signal for use in external memory interfacing. These pins also function as
DPCLK pins; therefore, the DQS signals can connect to the global clock network. A programmable
delay chain is used to shift the DQS signals by 90 or 72 degrees.
Optional data signal for use in external memory interfacing.
Optional data mask output signal for use in external memory interfacing.
Pin Definitions
Page 12 of 13
Pin Information For The Cyclone™ EP1C6 Device, ver 1.2
VREF2B2
VREF1B2
VREF0B2
VREF0B3
VREF1B3
VREB2B3
PLL2
B3
B1
PLL1
VREB2B1
VREF1B1
VREF0B1
B2
B4
VREF2B4
VREF1B4
VREF0B4
Notes:
1.This is a top view of the silicon die.
2.This is a pictoral representation only to get an idea of placement on the device. Refer to the pin-list and
the Quartus II for exact locations.
Copyright © 2003 Altera Corp.
PLL & Bank Diagram
Page 13 of 13
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