Soyo Technology Co. Bluetooth Module SOYO-BT24G03
9 I/O pins
Pin No.
Definition
Remark
31
GPIO_7/KEYOUT3
Default line in detecting/Normal I/O,
response to interruption, compound matrix
keypad
19
GPIO_11/KEYOUT2
Default earphone detecting/Normal I/O, not
response to interruption, compound matrix
keypad
20
GPIO_17/KEYOUT1
Default external PA Standby, compound
matrix keypad
18
GPIO_21/KEYIN4
Default BT_LED output, low electrical
level valid, compound matrix keypad
17
GPIO_8/KEYOUT4
Default LED1 output, low electrical level
valid, compound matrix keypad
1
GPIO_3
Default IR import/Normal I/O, Response to
external interruption
2
GPIO_1/KEYIN6
Default Card detecting/Normal I/O,
Response to external interruption,
compound matrix keypad
3
UART2_RXD/GPIO_8
Default Uart port
4
UART2_TXD/GPIO_1
3
Default Uart port
Control Instruction
LED
Indicator
Charge indicator
Bluetooth Indicator
Reserved LED Indicator , Self-
defined
9