BCM20706 Data Sheet
Pin Descriptions
Table 6: BCM20706 49-Ball Pin List (Cont.)
Power
Pin
Signal
I/O
Domain
Description
F7
BT_GPIO_1
O
VDDO
BT_GPIO_1/BT_HOST_WAKE A signal from the
BCM20706 device to the host indicating that the
Bluetooth device requires attention.
P25
P32
I
I
VDDO
VDDO
GPIO: P25
SPI_1: MISO (master and slave)
Peripheral UART: puart_rx
GPIO: P32
A/D converter input 7
Quadrature: QDX0
SPI_1: SPI_CS (slave only)
Auxiliary clock output: ACLK0
Peripheral UART: puart_tx
E4
C5
BT_GPIO_2
BT_GPIO_3
I
VDDO
When high, this signal extends the XTAL warm-up
time for external CLK requests. Otherwise, it is
typically connected to ground.
I/O
I
VDDO
VDDO
General-purpose I/O
P27
GPIO: P27
PWM1
SPI_1: MOSI (master and slave)
Optical control output: QOC1
Triac control 2
Current: 16 mA sink
P33
I
VDDO
GPIO: P33
A/D converter input 6
Quadrature: QDX1
SPI_1: MOSI (slave only)
Auxiliary clock output: ACLK1
Peripheral UART: puart_rx
D6
BT_GPIO_4
I/O
I
VDDO
VDDO
General-purpose I/O: can also be configured as a
GCI pin.
P6
GPIO: P6
Quadrature: QDZ0
Peripheral UART: puart_rts
SPI_1: SPI_CS (slave only)
60Hz_main
PWM2
LPO_IN
P31
I
I
N/A
External LPO input
VDDO
GPIO: P31
A/D converter input 8
Peripheral UART: puart_tx
B5
BT_GPIO_5
P15
I/O
I
VDDO
VDDO
General-purpose I/O: can also be configured as a
GCI pin.
Debug UART
GPIO: P15
A/D converter input 20
IR_RX
60Hz_main
Broadcom®
Bluetooth SoC
May 19, 2016 • 20706-DS202-R
Page 27
BROADCOM CONFIDENTIAL
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