BCM20737S Data Sheet
Pin Map and Signal Descriptions
Table 2: Pin Descriptions (Cont.)
Description
Pin
Name
I/O Type
28
GPIO: P0
I
Default direction: Input.
After POR state: Input floating.
Alternate functions:
•
•
•
•
•
A/D converter input
Peripheral UART TX (PUART_TX)
MOSI (master and slave) for SPI_2
IR_RX
60Hz_main
29
30
GND
GND
I
GND
GPIO: P3
Default direction: Input.
After POR state: Input floating.
Alternate functions:
•
•
Peripheral UART CTS (PUART_CTS)
SPI_CLK (master and slave) for SPI_2
31
32
GPIO: P2
GPIO: P4
I
I
Default direction: Input.
After POR state: Input floating.
Alternate functions:
•
•
•
Peripheral UART RX (PUART_RX)
SPI_CS (slave only) for SPI_2
SPI_MOSI (master only) for SPI_2
Default direction: Input.
After POR state: Input floating.
Alternate functions:
•
•
•
Peripheral UART RX (PUART_RX)
MOSI (master and slave) for SPI_2.
IR_TX
33
34
GPIO: P8
I
I
Default direction: Input.
After POR state: Input floating.
Alternate functions: A/D converter input.
Default direction: Input.
GPIO: P33
After POR state: Input floating.
Alternate functions:
•
•
•
•
A/D converter input
MOSI (slave only) for SPI_2
Auxiliary clock output (ACLK1)
Peripheral UART RX (PUART_RX)
Broadcom®
BLE SiP Module
April 10, 2016 • 20737S-DS101-R
Page 11
BROADCOM CONFIDENTIAL
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