GPIO Alternative Signal Functions
BCM89359 Advance Data Sheet
Table 22: GPIO Alternative Signal Functions (Cont.)
HW Decided/Power
ON Default
FAST_UART
/GPIO_1
SPI/
I C
2
GPIO_0
GCI-0
GCI-1
DBG_UART
SPROM MISC-0
MISC-1
MISC-2
Function Select
Additional
Pin Names
GPIO_17
GPIO_18
GPIO_19
SDIO_CLK
0
2
–
–
–
–
3
–
–
–
–
4
–
–
–
–
5
–
–
–
–
6
–
–
–
–
7
–
–
–
–
8
–
–
–
–
9
–
–
–
10
–
11
–
Functionality
TRISTATE_IND
TRISTATE_IND
TRISTATE_IND
–
–
–
–
–
–
–
–
SDIO_EN ?
SDIO_CLK:
SDIO_AO TEST_SDI –
S_CLK O_CLK
TRISTATE_IND
SDIO_CMD
SDIO_EN ?
SDIO_CMD:
(SPROM_EN ?
SPROM_CS:
TRISTATE_IND)
GPIO_11
GPIO_12
GPIO_13
–
–
–
GCI_GPIO_0
GCI_GPIO_1
GCI_GPIO_2
–
–
–
–
–
–
–
–
–
SPROM SDIO_AO TEST_SDI –
_CS S_CMD O_CMD
–
–
–
SDIO_DATA_0
SDIO_DATA_1
SDIO_EN ?
SPROM SDIO_AO TEST_SDI –
_CLK S_D0 O_DATA_0
SDIO_DATA_0:
(SPROM_EN ?
SPROM_CLK:
TRISTATE_IND)
SDIO_EN ?
SPROM SDIO_AO TEST_SDI –
_MISO S_D1 O_DATA_1
SDIO_DATA_1:
(SPROM_EN ?
SPROM_MISO:
TRISTATE_IND)
SDIO_DATA_2
SDIO_DATA_3
SDIO_EN ?
SDIO_DATA_2:
TRISTATE_IND
GPIO_14
GPIO_15
–
–
GCI_GPIO_3
GCI_GPIO_4
–
–
–
–
–
–
–
SDIO_AO TEST_SDI –
S_D2 O_DATA_2
–
–
SDIO_EN ?
SPROM SDIO_AO TEST_SDI –
SDIO_DATA_3:
(SPROM_EN ?
SPROM_MOSI:
TRISTATE_IND)
_MOSI S_D3
O_DATA_3
RF_SW_CTRL_0 RF_SW_CTRL_0
RF_SW_CTRL_1 RF_SW_CTRL_1
RF_SW_CTRL_2 RF_SW_CTRL_2
RF_SW_CTRL_3 RF_SW_CTRL_3
RF_SW_CTRL_4 RF_SW_CTRL_4
RF_SW_CTRL_5 RF_SW_CTRL_5
RF_SW_CTRL_6 RF_SW_CTRL_6
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
GPIO_8
GPIO_0
GCI_GPIO_8
GSIO
_SDI
Broadcom®
September 9, 2014 • 89359-DS100-R
Page 86
BROADCOM CONFIDENTIAL
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