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BCM88335 Data Sheet
GPIO/SDIO Alternative Signal Functions
GPIO/SDIO Alternative Signal Functions
Table 21: BCM88335 GPIO/SDIO Alternative Signal Functions^{a b}
Pins
WLBGA SDIO
GPIO_0
GPIO_1
GPIO_2
GPIO_3
GPIO_4
GPIO_5
GPIO_6
GPIO_7
GPIO_8
GPIO_9
GPIO_10
GPIO_11
GPIO_12
GPIO_13
GPIO_14
GPIO_15
SDIO_CLK
SDIO_CMD
SDIO_DATA_0
SDIO_DATA_1
SDIO_DATA_2
SDIO_DATA_3
WL_HOST_WAKE
WL_DEV_WAKE
TCK, GCI_GPIO_1, or UART RX
TMS or GCI_GPIO_0
TDI or SECI_IN
TDO or SECI_OUT
TRST_L or UART TX
[Strap, tied High]
[Strap, tied High or Low]
N/A
N/A
N/A
N/A
N/A
N/A
N/A
SDIO_CLK
SDIO_CMD
SDIO_DATA_0
SDIO_DATA_1
SDIO_DATA_2
SDIO_DATA_3
a. N/A = Pin not available in this package.
b. JTAG signals (TCK, TDI, TDO, TMS, and TRST_L) are selected when JTAG_SEL pin is high.
Broadcom^®
September 23, 2015 • 88335-DS100-R
BROADCOM CONFIDENTIAL
Page 85