BCM43353LIUBGT Datasheet, PDF (80/143 Pages) Cypress Semiconductor – Single-Chip 5G WiFi IEEE 802.11ac MAC/Baseband/Radio with Integrated Bluetooth 4.1 for Automotive and Industrial Applications

BCM43353 Data Sheet
Signal Descriptions
Table 15: WLBGA Signal Descriptions (Cont.)
WLBGA
Ball#
Signal Name
Type Description
WLAN GPIO Interface
Note: The GPIO signals can be multiplexed via software and the JTAG_SEL pin to behave as various specific
functions. See Table 21: “BCM43353 GPIO/SDIO Alternative Signal Functions,” on page 88 for additional
details.
B6
GPIO_0
I/O Programmable GPIO pins.
C6
GPIO_1
I/O Note: These GPIO signals can
D6
GPIO_2
I/O ^{be configured by software: as}
B5
GPIO_3
I/O ^{either inputs or outputs, to have}
C5
GPIO_4
I/O
internal pull-ups or pull-downs
enabled or disabled, and to use
D5
GPIO_5
I/O _{either a high or low polarity}
C4
GPIO_6
I/O _{upon assertion.}
D4
GPIO_7
I/O
H1
GPIO_8
I/O
JTAG Interface
E5
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 21: “BCM43353 GPIO/
SDIO Alternative Signal
Functions,” on page 88 for the
JTAG signal pins.
Clocks
H12
J12
B4
H3
WRF_XTAL_IN
WRF_XTAL_OUT
LPO_IN
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).
Miscellaneous
N2
K1
L1
NCF
NCF
NCF
– No Connect
– No Connect
– No Connect
Bluetooth PCM
G2
G1
J3
BT_PCM_CLK/BT_PCMCLK
BT_PCM_IN
BT_PCM_OUT
I/O PCM clock; can be master
(output) or slave (input).
I PCM data input.
O PCM data output.
Broadcom^®
November 14, 2014 • 43353-DS104-R
Page 79