BCM20730 Datasheet, PDF (33/62 Pages) Cypress Semiconductor – Single-Chip Bluetooth Transceiver for Wireless Input Devices

BCM20730 Data Sheet
Pin Descriptions
Table 8: GPIO Pin Descriptions^a
Pin Number
32-Pin 40-pin 64-pin
Default After Power
QFN QFN BGA Pin Name Direction POR Domain Alternate Function Description
19 21 F6 P0
Input
Floating VDDO
• GPIO: P0
• Keyboard scan input (row): KSI0
• A/D converter input
• Peripheral UART: puart_tx
• SPI_2: MOSI (master and slave)
• IR_RX
• 60 Hz_main
• Not available during TMC=1
20 22 G6 P1
Input
Floating VDDO
• GPIO: P1
• Keyboard scan input (row): KSI1
• A/D converter input
• Peripheral UART: puart_rts
• SPI_2: MISO (master and slave)
• IR_TX
22 24 H8 P2
Input
Floating VDDO
• GPIO: P2
• Keyboard scan input (row): KSI2
• Quadrature: QDX0
• Peripheral UART: puart_rx
• Triac control 2
• SPI_2: SPI_CS (slave only)
• SPI_2: SPI_MOSI (master only)
21 23 F8 P3
Input
Floating VDDO
• GPIO: P3
• Keyboard scan input (row): KSI3
• Quadrature: QDX1
• Peripheral UART: puart_cts
• SPI_2: SPI_CLK (master and slave)
23 25 H7 P4
Input
Floating VDDO
• GPIO: P4
• Keyboard scan input (row): KSI4
• Quadrature: QDY0
• Peripheral UART: puart_rx
• SPI_2: MOSI (master and slave)
• IR_TX
–
26 E6 P5
Input
Floating VDDO
• GPIO: P5
• Keyboard scan input (row): KSI5
• Quadrature: QDY1
• Peripheral UART: puart_tx
• SPI_2: MISO (master and slave)
BROADCOM ®
September 9, 2013 • 20730-DS108-R
BROADCOM CONFIDENTIAL
Page 32