User's Manual

CONFIDENTIAL4
Pin Description
No. Pin Name Description
1 VDD_33 3.3V DC Power for Power Amp(Max. 500mA)
2 VDD_33 3.3V DC Power Supply for SOC(Max. 150mA)
3 TXD1 Quasi-bidirectional I/O port or Serial Port 1 Output
4 RXD1 Quasi-bidirectional I/O port or Serial Port 1 Input
5 GND Ground
6 I2C_SCL
I/O for I2C. The pull-up resistor is always switched on.
This port is quasi-bidirectional
7 I2C_SDA
I/O for I2C. The pull-up resistor is always switched on.
This port is quasi-bidirectional
8 P1.4 Quasi-bidirectional I/O port or External Interrupt 2 (Positive Edge)
9 P1.5 Quasi-bidirectional I/O port or External Interrupt 3 (Negative Edge)
10 P1.6 Quasi-bidirectional I/O port or External Interrupt 4 (Positive Edge)
11 RESETb External Reset for SOC
12 GND Ground
No. Pin Name Description
S2 RF IO Rx Input / Tx Output, U.FL Type
J1 (Part No. : 88511-1201-001 by Aces)
RF IO (Part No. : U.FL Jack Type)