No Pin Name
B2 1 PCM_DIN
IO4
B3 1 PCM_SYNC 2
IO7 3
B4 32KHZ_EN
B5 VDD2V2
B6 VDD2V2
B7 RF_SW2
B8 GND
B9 GND
C1 IO2
DVSC[0]
C2 IO3
DVSC[1]
C3 IO1
C4 COEX_SIN
C9 GND
D1 IO15
D2 IO14
D3 DNC_E3
D4 COEX_SOUT
D9 GND
E1 SD_CLK
E2 SD_CMD
E3 IO0
E4 DNC_E4
E9 GND
F1 SD_DAT0
PAN9026 Wi-Fi/BT Module
2 Overview
Pin Type Description
Input signal PCM data input signal
Digital I/O
General Purpose IO – GPIO[4]
Input/output PCM Sync Pulse signal, output if PCM master, input if PCM slave
Digital I/O
General Purpose IO – GPIO[7]
Input Signal If using VIO 3.3V disable the internal 32.768 kHz crystal oscillator
(100 to GND) to use the SoC reference clock with lower accuracy
Power
2.1 V-2.3 V (typ. 2.2 V) power supply connection
Power
2.1 V-2.3 V (typ. 2.2 V) power supply connection
Input signal
RF Switch Pin 2 – logical voltage level to activate on-board antenna
or RF Pad RF-Switch Pins Function
Ground pin Connect to ground
Ground pin Connect to ground
Digital I/O
General Purpose IO – GPIO[2]
Output signal Digital voltage scaling control for PMIC (VOUT 2.2V)
Power Configuration Example with 3.3 V Host Operation
Digital I/O
General Purpose IO – GPIO[3]
Output signal Digital voltage scaling control for PMIC (VOUT 1.05V) - not used
Digital I/O
General Purpose IO – GPIO[1]
Input signal Serial data input from MWS modem or peripheral device
Ground pin Connect to ground
Digital I/O
General Purpose IO – GPIO[15]
Digital I/O
General Purpose IO – GPIO[14]
NC
Do not connect
Output signal Serial data output to MWS modem or peripheral device
Ground pin Connect to ground
Digital I/O
For SDIO specific terminals SDIO Pins Function
Digital I/O
For SDIO specific terminals SDIO Pins Function
Digital I/O
General Purpose IO – GPIO[0]
NC
Do not connect
Ground pin Connect to ground
Digital I/O
For SDIO specific terminals SDIO Pins Function
2 PCM Mode: After enabling the mode by host command, the pin is used as PCM Audio Interface.
3 GPIO Mode: After enabling the mode by host command, the pin is used as Multi-Purpose Interface.
Product Specification Rev. 1.1
Page 9