BCM20730 Datasheet, PDF (3/62 Pages) Cypress Semiconductor – Single-Chip Bluetooth Transceiver for Wireless Input Devices

BCM20730 Data Sheet
Revision History
UART_TXD
UART_RXD
Muxed on GPIO
Tx RTS_N
Rx CTS_N
SDA/ _SCL/
MOSI SCK MISO
1.2V
VDD_CORE
1.2V
WDT
Processing
Unit
(ARM -CM3)
Test
UART
1.2V VDD_CORE
Domain
Periph 320K
UART ROM _60K
RAM
BSC/SPI
Master
Interface
(BSC is I²C -
compaƟble)
VSS,
VDDO,
VDDC
28 ADC
Inputs
CT ɇ ѐ
ADC
1.2V
POR
1.2V
LDO
32 kHz
LPCLK
hclk
(24 MHz to 1 MHz)
System Bus
Peripheral
Interface
Block
Volt. Trans
I/O Ring
Control
Registers
VDD_IO
Domain
MIA
POR
2.4 GHz
Radio
RF Control
and Data
Bluetooth
Baseband
Core
RF I/O
T/R
Switch
AutoCal
24
MHz
Frequency
Synthesizer
1.2V VDD_RF
Domain
I/O Ring Bus
GPIO
Control/
Status
Registers
IR
Keyboard 3 -Axis
Mod. _SPI
and
Learning ^M/S
Matrix
Scanner
w/FIFO
Mouse
Signal
Controller
3-D Glasses
and Triac
PMU
Power
40 GPIO
IR
I/O
28 ADC
Inputs
8 x 20
Scan
Matrix
6 Quadrature
Inputs (3 pair) +
High Current
Driver Controls
PWM
WAKE
32 kHz
LPCLK
128 kHz
LPO
128 kHz
LPCLK
÷4
24 MHz Ref. Xtal
14 GPIO on the 32-pin QFN
1.62V to 3.6V 32 kHzyƚĂů;ŽƉƟŽŶĂůͿ
VDD_IO
Figure 1: Functional Block Diagram
1.425V to 3.6V
1.62V to 3.6V
BROADCOM ®
September 9, 2013 • 20730-DS108-R
BROADCOM CONFIDENTIAL
Page 2