
Hardware User Manual
RFCOM Technologies
RTBTM01 BLE Module
Page 10 of 30
7
TxD0
UART Tx Pin
UART0 Transmit Data
8
RxD0
UART Rx Pin
UART0 Receive Data
9
P5
I/O
Serial Clock Output
10
P6
I/O
Analog Input
11
VSS
GND
GND
12
P7
I/O
UART1 Receive Data
13
P8
I/O
UART1 Transmit Data
14
P9
I/O
Analog Input
15
TOOL0
Flash programmer
Data Input/Output for programming
16
nRST
Reset
Reset
17
XT1
N.C.
32.768KH Crystal oscillator (Subsystem)
18
XT2
N.C.
32.768KH Crystal oscillator (Subsystem)
19
SCL0
I2C Clock Signal
Serial Clock Input/Output
20
SDA0
I2C Data Signal
Serial Data Bus line
21
VDD
Power supply (1.6V to 3.6V)
Power supply
22
VSS
GND
GND
23
VSS
GND
GND
24
RF_PAD
RF Output (optional)
RF Output (optional)
25
VSS
GND
GND
Table 4-1
RTBTM01 BLE Module PIN definition