BCM20730 Datasheet, PDF (34/62 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
–
27 F5 P6
Input
Floating VDDO • GPIO: P6
PWM2
• Keyboard scan input (row): KSI6
• Quadrature: QDZ0
• Peripheral UART: puart_rts
• SPI_2: SPI_CS (slave only)
• 60Hz_main
• Triac control 1
–
28 C5 P7
Input
Floating VDDO
• GPIO: P7
• Keyboard scan input (row): KSI7
• Quadrature: QDZ1
• Peripheral UART: puart_cts
• SPI_2: SPI_CLK (master and slave)
24 29 F4 P8
Input
Floating VDDO
• GPIO: P8
• Keyboard scan output (column):
KSO0
• A/D converter input
• External T/R switch control: ~tx_pd
Alternative Function:
• P33 in 32-QFN only
–
3
A1 P9
Input
Floating VDDO
• GPIO: P9
• Keyboard scan output (column):
KSO1
• A/D converter input
• External T/R switch control: tx_pd
–
2
D2 P10
Input
Floating VDDO • GPIO: P10
PWM3
• Keyboard scan output (column):
KSO2
• A/D converter input
1
40 C2 P11
Input
Floating VDDO
• GPIO: P11
• Keyboard scan output (column):
KSO3
• A/D converter input
• XTALI32K (32-QFN and 40-QFN only)
Alternative Function:
• P27 in 32-QFN only
BROADCOM ®
September 9, 2013 • 20730-DS108-R
BROADCOM CONFIDENTIAL
Page 33