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
0
2
3
4
5
6
7
8
9
10
11
Functionality
RF_SW_CTRL_7 RF_SW_CTRL_7
RF_SW_CTRL_8 RF_SW_CTRL_8
RF_SW_CTRL_9 RF_SW_CTRL_9
GPIO_9
GPIO_1
–
GCI_GPIO_9
–
GSIO
_SDO
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
GPIO_10
GPIO_2
–
–
–
–
–
–
–
–
–
–
–
–
GCI_GPIO_10 DBG_UART_RX GSIO
_CSN
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
GPIO_11
GPIO_3
GCI_GPIO_11 DBG_UART_TX GSIO
_CLK
PALDO_P
U
RF_SW_CTRL_1 RF_SW_CTRL_10
0
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
RF_SW_CTRL_1 RF_SW_CTRL_11
1
–
–
RF_SW_CTRL_1 RF_SW_CTRL_12
2
–
–
RF_SW_CTRL_1 RF_SW_CTRL_13
3
–
–
RF_SW_CTRL_1 RF_SW_CTRL_14
4
–
–
RF_SW_CTRL_1 RF_SW_CTRL_15
5
–
–
RF_SW_CTRL_1 RF_SW_CTRL_16 GPIO_12
6
GPIO_4
GPIO_5
GPIO_6
GPIO_7
GCI_GPIO_12
GCI_GPIO_13
GSIO
_CLK
RF_SW_CTRL_1 RF_SW_CTRL_17 GPIO_13
7
GSIO
_CSN
RF_SW_CTRL_1 RF_SW_CTRL_18 GPIO_14
8
GCI_GPIO_14 DBG_UART_TX GSIO
_SDO
RF_SW_CTRL_1 RF_SW_CTRL_19 GPIO_15
9
GCI_GPIO_15 DBG_UART_RX GSIO
_SDI
PALDO_P
D
Broadcom®
September 9, 2014 • 89359-DS100-R
Page 87
BROADCOM CONFIDENTIAL
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