Data Sheet

AP6255
Datasheet
12
5.2
Pin Assignment
NO Name Type Description
1 GND
－
Ground connections
2 WL_BT_ANT I/O RF I/O port
3 GND
－
Ground connections
4 NC
－
Floating (Don’t connected to ground)
5 NC
－
Floating (Don’t connected to ground)
6 BT_WAKE I HOST wake-up Bluetooth device
7 BT_HOST_WAKE O Bluetooth device to wake-up HOST
8 NC
－
Floating (Don’t connected to ground)
9 VBAT P Main power voltage source input
10 XTAL_IN I Crystal input
11 XTAL_OUT O Crystal output
12 WL_REG_ON I Power up/down internal regulators used by WiFi section
13 WL_HOST_WAKE O WLAN to wake-up HOST
14 SDIO_DATA_2 I/O SDIO data line 2
15 SDIO_DATA_3 I/O SDIO data line 3
16 SDIO_DATA_CMD I/O SDIO command line
17 SDIO_DATA_CLK I/O SDIO clock line
18 SDIO_DATA_0 I/O SDIO data line 0
19 SDIO_DATA_1 I/O SDIO data line 1
20 GND
－
Ground connections
21 VIN_LDO_OUT P Internal Buck voltage generation pin
22 VDDIO P I/O Voltage supply input
23 VIN_LDO P Internal Buck voltage generation pin
24 LPO I External Low Power Clock input (32.768KHz)
25 PCM_OUT O PCM Data output
26 PCM_CLK I/O PCM clock
27 PCM_IN I PCM data input
28 PCM_SYNC I/O PCM sync signal
29 SDIO_VSEL I
SDIO mode selection pin
1：When VDDIO = 1.8V , 0：When VDDIO = 3.3V
30 NC
－
Floating (Don’t connected to ground)
31 GND
－
Ground connections