Specifications

RF-BM-4044B2
www.szrfstar.com Ver1.1 - Aug., 2018
Shenzhen RF-star Technology Co., Ltd. Page 6 of 13
2.2 Module Pin Diagram
Figure 2. The Pin Diagram of RF-BM-4044B2
3.3 Pin Functions
Table 2. The Pin Diagram of RF-BM-4044B2
Pin
Name
Chip Pin
Pin Type
Description
1
GND
GND
Power
GND
2
VDDZ
VCC
Power
Power supply 1.8 V ~ 3.8 V, Recommend 3.3 V
3
TMSC
TMSC
JTAG
JTAG: TMSC
4
TCKC
TCKC
JTAG
JTAG: TCKC
5
RES_N
REST
REST
Reset after power on. No need for external RC circuit.
6
P06
P06
I/O
7
P09
P09
I/O
Programmable I/O
8
GND
GND
GND
GND
9
GND
GND
GND
GND
10
P08
P0.8
I/O
11
P07
P0.7
I/O
12
P05
P0.5
I/O
13
P04
P0.4
I/O
14
P03/BRTS
P0.3
I/O
15
P02/BCTS
P0.2
I/O
16
P01/TX
P0.1
I/O