BCM4339XKWBGT Datasheet, PDF (118/183 Pages) Cypress Semiconductor – Single-Chip 5G WiFi IEEE 802.11ac MAC/Baseband/Radio with Integrated Bluetooth 4.1 and FM Receiver

BCM4339 Preliminary Data Sheet
WLAN GPIO Signals and Strapping Options
The multiplexed GPIO signals are described in Table 27.
Pin Name
UART_CTS_N
UART_RTS_N
UART_RXD
UART_TXD
PCM_IN
PCM_OUT
PCM_SYNC
PCM_CLK
GPIO[7:0]
A_GPIO[7:0]
I2S_MSDO
I2S_MWS
I2S_MSCK
I2S_SSCK
I2S_SSDO
I2S_SWS
I2S_SSDI/MSDI
STATUS
TX_CON_FX
RF_ACTIVE
LINK_IND
CLK_REQ
SF_SPI_CLK
SF_MISO
SF_MOSI
SF_SPI_CSN
Type
I
O
I
O
I
O
I/O
I/O
I/O
I/O
O
O
O
I
O
I
I
O
I
O
O
O
O
I
O
O
Table 27: Multiplexed GPIO Signals
Description
Host UART clear to send.
Device UART request to send.
Device UART receive data.
Host UART transmit data.
PCM data input.
PCM data output.
PCM sync signal, can be master (output) or slave (input).
PCM clock, can be master (output) or slave (input).
General-purpose I/O.
A group general-purpose I/O.
I²S master data output.
I²S master word select.
I²S master clock.
I²S slave clock.
I²S slave data output.
I²S slave word select.
I²S slave/master data input.
Signals Bluetooth priority status.
WLAN-BT coexist. Transmission confirmation; permission for BT to transmit.
WLAN-BT coexist. Asserted (logic high) during local BT RX and TX slots.
BT receiver/transmitter link indicator.
WLAN/BT clock request output.
SFlash SCLK: serial clock (output from master).
SFlash MISO; SOMI: master input, slave output (output from slave).
SFlash MOSI; SIMO: master output, slave input (output from master).
SFlash SS: slave select (active low, output from master).
Broadcom^®
November 17, 2014 • 4339-DS106-R
Page 117