BCM20730 Datasheet, PDF (39/62 Pages) Cypress Semiconductor – Single-Chip Bluetooth Transceiver for Wireless Input Devices

BCM20730 Data Sheet
Pin Descriptions
Table 8: GPIO Pin Descriptions^a (Cont.)
Pin Number
32-Pin 40-pin 64-pin
Default After Power
QFN QFN BGA Pin Name Direction POR Domain Alternate Function Description
–
–
C3 P37
30 –
B3 P38
–
–
A3 P39
Input
Input
Input
Floating VDDO
Floating VDDO
Floating VDDO
• GPIO: P37
• A/D converter input
• Quadrature: QDZ1
• SPI_2: MISO (slave only)
• Auxiliary clock output: ACLK1
• GPIO: P38
• A/D converter input
• SPI_2: MOSI (master and slave)
• IR_TX
• XTALO32K (64-BGA only)
Alternative Function:
• P14 in 32-QFN only
• GPIO: P39
• SPI_2: SPI_CS (slave only)
• SPI_1: MISO (master only)
• Infrared control: IR_RX
• External PA ramp control: PA_Ramp
• XTALI32K (64-BGA only)
• 60Hz_main
a. During Power-On Reset, all inputs are disabled.
BROADCOM ®
September 9, 2013 • 20730-DS108-R
BROADCOM CONFIDENTIAL
Page 38