1
2
3
4
A
A
V5V
C8
R4
4.7K
.1uf
RESET
D3
U2
VCC
AVCC
C7
.1uf
1
4
5
6
9
10
11
12
13
14
B
V48V
BAT
V12V
PD0/RXD
PD1/TXD
PC5/ADC5/SCL
PC4/ADC4/SDA
PC3/ADC3
PC2/ADC2
PC1/ADC1
PC0/ADC0
PD2/INT0
PD3/INT1
PD4/XCK/T0
PB6/XTAL1/TOSC1
AREF
PB7/XTAL2/TOSC2 PB5/SCK
PD5/T1
PB4/MISO
PD6/AIN0
PB3/MOSI/OC2
PD7/AIN1
PB2/SS/OC1B
PB0/ICP1
PB1/OC1A
ATMEGA8-16
R7
10K
C6
.1uf
C
PC6/RESET
3
2
1
R5
C10
.1uf
2
3
28
27
26
25
24
23
21
19
18
17
16
15
1K
From
Throttle
J1
VSR
BSC
VTH
BAT
ACC
B
C11
SCK
MISO
MOSI
.1uf
V5V
J2
GND
GND
R6
100K
V5V
C9
.1uf
7
20
R3
500
V5V
8
22
V5V
1
2
3
4
5
6
RESET
ISP
Programming
Port
C
J3
V5V
Battery Volage Monitor
1
C12
.1uf
C14
100uF
IN OUT
GND
LM7805
To Power Section
R9
10K
V5V
U3
2
V12V
PWM
BSC
3
1
J6
C13
.1uf
C15
10uF
Brake Switch Cutoff
Title
D
Size
A
1
2
Date:
File:
3
DC Motor Controller .. M1DC
Number
Revision
Digital Section
11/24/2011
C:\SCD\..\Sheet1.Sch
Sheet of
Drawn By:
4
D
0.0