BCM4356XKWBGT Datasheet, PDF (115/195 Pages) Cypress Semiconductor – Single-Chip 5G WiFi IEEE 802.11ac 2×2 MAC/ Baseband/Radio with Integrated Bluetooth 4.1, FM Receiver, and Wireless Charging

BCM4356 Advance Data Sheet
Signal Descriptions
Table 22: WLBGA Signal Descriptions (Cont.)
Ball# Signal Name
Type Description
WLAN GPIO Interface
Note: The GPIO signals can be multiplexed via software and the JTAG_SEL pin to support other functions. See
Table 23: “WLAN GPIO Functions and Strapping Options,” on page 120 and Table 26: “GPIO Alternative Signal
Functions,” on page 121 for additional details.
G11
GPIO_0
F10
GPIO_1
F11
GPIO_2
G9
GPIO_3
H9
GPIO_4
F9
GPIO_5
F8
GPIO_6
E7
GPIO_7
F7
GPIO_8
E6
GPIO_9
H12
GPIO_10
–
GPIO_11
–
GPIO_12
–
GPIO_13
–
GPIO_14
–
GPIO_15
I/O Programmable GPIO pins
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
JTAG Interface
D9
JTAG_SEL
I/O JTAG select: pull high to select the JTAG interface. If
the JTAG interface is not used this pin may be left
floating or connected to ground.
Note: See Table 26: “GPIO Alternative Signal
Functions,” on page 121 for the JTAG signal pins.
Clocks
P12
WRF_XTAL_IN
N12
WRF_XTAL_OUT
F6
LPO_IN
F4
CLK_REQ
I XTAL oscillator input
O XTAL oscillator output
I External sleep clock input (32.768 kHz)
O Reference clock request (shared by BT and WLAN).
If not used, this can be no-connect.
Bluetooth/FM Transceiver
L1
BT_RF
H1
FM_RFIN
–
FM_RFAUX
E1
FM_AOUT1
F1
FM_AOUT2
O Bluetooth PA output
I FM radio antenna port
I FM radio auxiliary antenna port
O FM DAC output 1
O FM DAC output 2
Bluetooth PCM
M6
BT_PCM_CLK
I/O PCM clock; can be master (output) or slave (input)
Broadcom^®
May 8, 2015 • 4356-DS103-R
BROADCOM CONFIDENTIAL
Page 114