Data Sheet

R8002 Datasheet
-7 -
3.2 PIN Definition Descriptions
Table 2: Pin definition
Pin
Pin Name
Type
Pin Descriptions
1
UART_TX
I/O
UART Data output
2
UART_RX
I/O
UART Data input
3
UART_CTS/PIO6
I/O
UART Clear to Send (active low)
Alternative Function: Programmable input/output line
4,34
UART_RTS/PIO5
I/O
UART Request to Send (active low)
Alternative Function: Programmable input/output line
5 NC
6
NC
7
NC
8
NC
9,24
Tran/USB_DP/PIO1
I/O
Host MCU change UART transmission mode. (Default)
H = instruction mode
L = throughput mode
Alternative Function: Programmable input/output line
Alternative Function: USB_DP
10,23
Disc/USB_DM/PIO0
I/O
Host MCU disconnect bluetooth. (Default)
Alternative Function: Programmable input/output line
Alternative Function: USB_DM
11,27
RESET
I
External reset input: Active LOW.
Set this pin low reset to initial state
12
VDD_3V3
Vdd
Power supply voltage 3.3V~ 3.6V
13
GND
Vss
Power Ground
14
NC
15
SWDIO
I/O
Debugging through the data line
16 SWCLK I/O Debugging through the clk line
17 NC
18 NC
19 NC
20
NC
21
GND
Vss
Power Ground
22
GND
Vss
Power Ground
25
NC
26
NC
28
NC
29,31 PIO2 Programmable input/output line
Alternative Function: I2C_SCL
30,33
PIO3
I/O
BT Status(Default)
Connected: High ; Not connected: low
Alternative Function: Programmable input/output line
Alternative Function: I2C_DAT
Shenzhen Feasycom Technology Co.,Ltd