Data Sheet
Table Of Contents
R8002 Datasheet
-2
0-
11.
A
P
P
L
I
CA
T
ION
S
C
HE
M
AT
I
C
BT work Status Indicator Light
I2C Interface
I2C_CLK
I2C_DATA
H = instruction mode
L = throughput mode
When bluetooth connection establ
ished,
a rising edge of PIN 10 will cause disconnection with remote device.
When bluetooth connection established,
Bluetooth connection status:
H = Connected
L = No connection
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
MCU_RX
MCU_TX
RESET
SWCLK
SWDIO
3V3_BT
PIO10
PIO7
PIO6
DISCONNECT
TRANSFSER_MODE
LED
R13
560R
C54
100nF
C4
10uF
UART_TX
UART_RX
UART_CTS/PIO6
UART_RTS/PIO5
NC
NC
NC
NC
TRAN/USB_DP/PIO1
DISC/USB_DM/PIO0
RESET
VDD_3V3
GND
NC
SWDIO
SWCLK
NC
NC
NC
NC
GND
GND
DISC/USB_DM/PIO0
TRAN/USB_DP/PIO1
NC
NC
RESET
NC
PIO2
PIO3
PIO2
PIO4
PIO3
UART_RTS/PIO5
GND
EXT_ANT
U2
DEBUG Interface
(Optional)
3V3_BT
RESET
SWCLK
SWDIO
R3
22R
R10
22R
TP7
TP8
TP9
TP10
TP11
POWER
(Optional)
1
2
3
4
5
1
2
3V3_BT
5V
C3
10uF
C1
10nF
C5
10nF
C6
10uF
VIN
GND
EN
BP
VOUT
U3
C2
10nF
J2
RESET (Optional)
Reset Circuit Based On Voltage Dual Comparators
RC Reset Circuit
12
3
3V3_BT
RESET
3V3_BT
RESET
C14
100nF
R2
10K
R4
100K
GND RESET
VCC
U1
CN809R-2.63V
Shenzhen Feasycom Technology Co.,Ltd