www.arm.com
ARM Cordio BT4 Radio IP
IP Implementation
•TSMC 55 nm LP process
•Delivered as a Hard Macro, area
~ 4.1 mm2
•Native sub-1 V solution
•Integrated with ESD protected I/O pads
•Includes isolation rings, DNW isolation and
other RF isolation techniques
•BT qualified, FCC & ETSI compliant
•Temperature range: -40˚C TO 90˚C
Bluetooth Core
Specification 4.2
•2400 – 2484 MHz
•GFSK modulation, FHSS
•Master and slave mode support
•AES-128 Encryption Engine, ECC support
Fully Integrated Link
Layer Subsystem
•Power optimized system –allows efficient
•Sleep/wake-up of the host processor
ARM AMBA® AHB™ peripheral device
ARM® Cordio® BT4 Radio IP for TSMC 55nm incorporates Bluetooth® Core
Specification Version 4.2 with a Low Energy Core Configuration (Bluetooth Smart)
that is suitable for applications requiring single-mode devices. This sub-volt, low-power
core is designed for optimal efficiency with ARM Cortex® (M) series of processors
and is targeted towards the TSMC 55nm LP process node.
Cordio BT4 Radio IP is a native sub-1 Volt platform – all the core circuits within the
radio are designed at 950 mV (nominal). Due to the lower operating point for the
internal circuits, the total power consumed during TX and RX is <6.5mA @1V. The
radio has a receive sensitivity of -94 dBm.
This IP solution is the only fully integrated platform in the market today and includes
a transceiver, baseband, and link layer (LL) firmware. Cordio BT4 Radio IP can be
combined with Cordio BT Stack and Profiles creating a complete “RF-to-application”
IoT solution.
Low External BOM Count
Cordio Software
•11 external components
•Single antenna pin with integrated PA, LNA
•Link-layer Firmware up to the HCI in ROM
•Bluetooth Qualified Design ID (QDID) for
and RX/TX switch
•Integrated capacitive DC-DC
1V or 3V battery applications
•External 32 MHz and 32.768 kHz crystals
with on-chip
•RC oscillators multiple power-up/down modes
•Patch area in RAM for firmware updates
•Separately licensable Cordio Stack and
down-converter
•Integrated crystal oscillator load capacitors
Profiles
and integrated PLL filter
LNA
Rx
System Clock and Power
•Integrated power management for
controller subsystem
CLK
Rx/Tx
Sw
LO I, Q
Tx
VBAT
(1V, 3V)
supported
PWR
MGT
Decimate
& Filter
GFSK
Demod
IFAGC
RFAGC
Rx/Tx
Rx I, Q
ADC
PLL
PA
Tx
Data
RFAGC
IFAGC
GFSK
Mod
Pwr Ctrl
v0p95 (Analog)
v095 (Digital)
v0p95 (Retention
v1p1 (Sw or vbat)
AGC
Ctrl &
RSSI
Tx, Rx
Modem
PHY & MAC
Protocol
Processing
ARM CORDIO BT4 – BLE Hard Macro
Link Layer
SW ROM
Retention
RAM
Link Layer
Controller
PHY & MAC
Protocol
Processing
PWR Mode
Timers &
Interrupt
Radio
Control
AES
Encryption
CLK-32K
32M, 32K CLK CLK-32M
with RC modes
PWR MGT
CLK & PWR MGT
Host Interface
Radio Sub-System Interface
(Host Controller Interface)
The Architecture for the Digital World®
Design Deliverables
•Hard Macro containing BLE radio, baseband
and link layer controller
•GDS II files for the BLE radio
•Test vectors, timing and physical abstraction
models
•Synthesizable RTL for the AHB-Lite interface
for the Host Controller SOC
•Scripts for simulation and synthesis with
Cadence tools
•Integration manual and release notes
ARM CORDIO BT4 Specificaton
Radio Standard
2.4GHz standard-compliant Bluetooth Smart IP
platform
Native Voltage
950 mV (Nominal)
Power Management
Integrated power management for 1V and 3V
applications
TX Power
-21 dBm to 0 dBm at 1 V
Up to +5 dBm at 3 V
RX Sensitivity
-94 dBm
Power Consumption @1V
Active RX: 6 mW
Active TX (0 dBm): 6.5 mW
Sleep mode: 700 nW
Temperature Range
-40˚C TO 90˚C
Support Deliverables
Evaluation kit – An ARM mbed™ -enabled
platform with a demonstration chip containing
the Cordio BT4 radio IP, sample Cordio Stack
and Profiles, and SDK
•BT qualified controller sub-system (QDID)
•Bluetooth qualification and regulatory guides
•Antenna design and PCB layout guidance
•Radio control tool, RF test guidance
•Production test & Radio calibration
algorithms
LNA
Rx
CLK
LO I, Q
PLL
RFAGC
IFAGC
Tx
Data
PA
VBAT
(1V, 3V)
Decimate
& Filter
AGC
Ctrl &
RSSI
v0p95 (Analog)
v095 (Digital)
v0p95 (Retention
v1p1 (Sw or vbat)
Tx, Rx
Modem
GFSK
Mod
PHY & MAC
Protocol
Processing
Retention
RAM
Link Layer
Controller
Pwr Ctrl
PWR
MGT
GFSK
Demod
IFAGC
RFAGC
Rx/Tx
Sw
Tx
Rx I, Q
ADC
PHY & MAC
Protocol
Processing
PWR Mode
Timers &
Interrupt
Radio
Control
Link Layer
SW ROM
AES
Encryption
CLK-32K
32M, 32K CLK CLK-32M
with RC modes
PWR MGT
Radio Sub-System Interface
(Host Controller Interface)
CLK & PWR MGT
Host Interface
ARM AMBA 3 AHB SLAVE Interconnect
with Asynchronous Bridge
RTC
Debug Interface
Dual Timer/
Watchdog
I2 C
UART (x2)
ARM Cortex-M
Series CPU
Slave
System
Control
Slave
Boot
ROM
8K
Slave
RAM
128K
Master/
Slave
AHB-Lite
NVIC
AHB to APB
Bridge
Slave
Default
Slave
Slave
Slave
GPIO
Host Controller Platform
WIC
ARM CORDIO BT4 – BLE Hard Macro
to ease Bluetooth listing of OEM products
SPI
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material form except with the prior written permission of ARM. The products described in this document are subject to continuous developments and improvements. All particulars of the products
and their use contained in this document are given by ARM in good faith. However, all warranties implied or expressed, including but not limited to implied warranties of merchantability, or fitness for
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