Data Sheet
Table Of Contents
- 1 General Description
- 2 Applications
- 3 Features
- 4 Application Block Diagram
- 5 Module Pinout and Pin Description
- 6 Interfaces
- 7 PCB Footprint and Dimensions
- 8 Electrical Characteristics
- 9. Performance Specification
- 10 Reference Schematics
- 11 Hardware Boot Mode
- 12 Manufacturing Process Recommendations
- 13 Ordering Information
- 14 Packaging Specification
- 15 Revision History
- 16 Contact Information
Model:WG229
8
/
22
WG229 -DA-001,A/1
•
GPIO2: internal pull-up
•
MTDO/GPIO15: internal pull-down
6 Interfaces
6.1 GPIO
The WG229 has 17 GPIO pins which can be assigned to various functions by programming the appropriate registers.
These pins can be multiplexed with other functions such as I2C, I2S, UART, PWM, IR Remote Control, etc.
6.2 I2C
WG229 Pin Number Pin Name GPIO Function Name
5
MTMS GPIO14 I2C_SCL
17 GPIO2 GPIO2 I2C_SDA
Table6-1: I2C pin share scheme
6.3 I2S
WG229 Pin Number Pin Name GPIO Function Name
6
MTDI GPIO12 I2SI_DATA
7 MTCK GPIO13 I2SI_BCK
5
MTMS GPIO14 I2SI_WS
16 MTDO GPIO15 I2SO_BCK
21 RXD0 GPIO3 I2SO_DATA
17
GPIO2 GPIO2 I2SO_WS
Table6-2: I2S pin share scheme
6.4 UART
WG229 Pin Number Pin Name GPIO Function Name
21
RXD0 GPIO3 U0RXD
22 TXD0 GPIO1 U0TXD
16 MTDO GPIO15 U0RTS
7 MTCK GPIO13 U0CTS
17 GPIO2 GPIO2 U1TXD
13 SD_D1 GPIO8 U1RXD
Table6-3: UART pin share scheme
Skylab M&C Technology Co., Ltd.
WiFi module