BCM43143KMLGT Datasheet, PDF (28/58 Pages) Cypress Semiconductor – Single-Chip IEEE 802.11b/g/n MAC/PHY/Radio with USB/SDIO Host Interface

BCM43143 Advance Data Sheet
Package Signal Descriptions
Table 4: BCM43143 Signal Descriptions (Cont.)
Pin
Signal
Type Description
I²S Audio Interface
47
I2S_BITCLK
48
I2S_WS
49
I2S_SDOUT
I/O
I²S serial bit clock, only available when no SDIO I/F
I/O
I²S word select, only available when no SDIO I/F
I/O
I²S serial data out, only available when no SDIO I/F
Serial Flash Interface and SPI/BSC Interface
51
SFLASH_CSN
I/O
Serial flash chip select.
When not used as SFLASH, this is a general purpose GPIO pin
(GPIO15)
34
SFLASH_SI GSIO_SDI I/O
This pin is muxed with:
• Serial flash data in
• SPI/BSC data in
When not used as SFLASH or GSIO this is a general purpose
GPIO pin (GPIO6)
36
SFLASH_SO
GSIO_SDO
I/O
This pin is muxed with:
• Serial flash data out
• SPI/BSC data out
When not used as SFLASH or GSIO this is a general purpose
GPIO pin (GPIO8)
35
SFLASH_CLK
GSIO_SCLK
I/O
This pin is muxed with:
• Serial flash clock
• SPI/BSC clock
When not used as SFLASH or GSIO this is a general purpose
GPIO pin (GPIO7)
52
GSIO_CSN
I/O
SPI/BSC chip select.
When not used as GSIO this is a general purpose GPIO pin
(GPIO16).
Broadcom^®
November 14, 2014 • 43143-DS104-R
Single-Chip IEEE 802.11b/g/n MAC/PHY/Radio
Page 27