BCM4356XKWBGT Datasheet, PDF (122/195 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
GPIO Alternative Signal Functions
GPIO Alternative Signal Functions
Note: For all new designs, use GPIO_6 for SECI_IN instead of GPIO_4. For existing designs, GPIO_4 can be still used for SECI_IN provided
the strapping requirements discussed in “WLAN/BT GPIO Signals and Strapping Options” on page 120 are fully satisfied.
Table 26: GPIO Alternative Signal Functions
Pin
Names
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
Test Mode FAST UART SPROM
Miscellaneous-0
BSC (JTAG_SEL = 1)
GCI
Miscellaneous- Miscellaneous-
1
2
UART
Function Select
0
2
4
5
6
7
8
9
3
TEST_GPIO_0 FAST_UART –
_RX
BSC_CLK –
GCI_GPIO_4 SDIO_SEP_INT SDIO_SEP_INT UART_DBG
_OD
_TX
TEST_GPIO_1 FAST_UART –
BSC _SDA RF_DISABLE_L GCI_GPIO_5 –
–
UART_DBG
_TX
_RX
TEST_GPIO_2 FAST_UART –
N/A
TCK
GCI_GPIO_1 –
–
–
_CTS_IN
TEST_GPIO_3 FAST_UART –
N/A
TMS
GCI_GPIO_0 –
–
–
_RTS_OUT
TEST_GPIO_4 –
–
N/A
TDI
SECI_IN^{a –}
–
UART_DBG
_RX
TEST_GPIO_5 –
–
N/A
TDO
SECI_OUT –
–
UART_DBG
_TX
TEST_GPIO_6 –
–
N/A
TRST_L
GCI_GPIO_2 _{SECI_IN}^a
–
–
TEST_GPIO_7 FAST_UART SPROM_CS BSC_SDA PMU_TEST_O GCI_GPIO_3 –
_RTS_OUT
–
UART_DBG_TX –
TEST_GPIO_8 FAST_UART SPROM_CLK BSC_CLK –
_CTS_IN
–
–
––
–
TEST_GPIO_9 FAST_UART SPROM_MI PALDO –
SECI_OUT PALDO_PD
–
–
_RX
_PU
TEST_GPIO_10 FAST_UART SPROM_MO –
–
GCI_GPIO_4 –
–
–
_TX
TEST_GPIO_11 FAST_UART –
PALDO –
GCI_GPIO_5 PALDO_PD
–
–
_RX
_PU
TEST_GPIO_12 FAST_UART –
–
–
GCI_GPIO_1 –
–
–
_TX
TEST_GPIO_13 –
–
–
–
GCI_GPIO_0 –
–
–
PWDOG _Additional
10 Functionality
PWDOG WL_HOST_WAKE
_GPIO_0
PWDOG WL_DEV_WAKE
_GPIO_1
–
–
–
–
–
–
–
–
–
–
PWDOG WL_LED
_GPIO_2 (For WLBGA)
PWDOG –
_GPIO_3
PWDOG –
_GPIO_4
PWDOG –
_GPIO_5
–
–
–
–
–
Broadcom^®
May 8, 2015 • 4356-DS103-R
BROADCOM CONFIDENTIAL
Page 121