BCM20730 Datasheet, PDF (37/62 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
32 38 A4 P26
Input
Floating VDDO • GPIO: P26
PWM0
• Keyboard scan output (column):
KSO18
• SPI_2: SPI_CS (slave only)
• SPI_1: MISO (master only)
• Optical control output: QOC0
• Triac control 1
Alternative Function:
• P12 in 32-QFN only
Current: 16 mA
1
1
B4 P27
Input
Floating VDDO • GPIO: P27
PWM1
• Keyboard scan output (column):
KSO19
• SPI_2: MOSI (master and slave)
• Optical control output: QOC1
• Triac control 2
Alternative Function:
• P11 in 32-QFN only
Current: 16 mA
29 –
B5 P28
Input
Floating VDDO • GPIO: P28
PWM2
• Optical control output: QOC2
• A/D converter input
• LED1
• IR_TX
Alternative Function:
• P13 in 32-QFN only
Current: 16 mA
–
–
A5 P29
Input
Floating VDDO • GPIO: P29
PWM3
• Optical control output: QOC3
• A/D converter input
• LED2
• IR_RX
Current: 16 mA
–
–
E4 P30
Input
Floating VDDO
• GPIO: P30
• A/D converter input
• Pairing button pin in default FW
• Peripheral UART: puart_rts
BROADCOM ®
September 9, 2013 • 20730-DS108-R
BROADCOM CONFIDENTIAL
Page 36