Data Sheet

FSC-BT826
深圳市飞易通科技有限公司
www.feasycom.com
When using the OTA function upgrade (air), please send the I/O mouth dangling;
If the I/O port to connect the MCU,
then set the MCU I/O ports for the input port or high impedance state.
Figure 3：PIN description
4. PIN DEFINITION DESCRIPTIONS
* Special tips: PIO0,PIO1,PIO2,PIO3 I/O port for reuse.
Pin
Pin Name
Pad Type
Description
1
UART_TX
CMOS output
UART data output
2
UART_RX
CMOS input
UART data input
3
UART_CTS
CMOS input
UART clear to send active low
Alternative Function: Programmable input/output line
4
UART_RTS
CMOS output
UART request to send active low
Alternative Function: Programmable input/output line
5
PCM_CLK
Bi-directional
Synchronous data clock
6
PCM_OUT
CMOS Output
Synchronous data output
7
PCM_IN
CMOS Input
Synchronous data input