User Manual

Chengdu Ebyte Electronic Technology Co., Ltd. E18-2G4U04B User Manual
Copyright ©2012–2018，Chengdu Ebyte Electronic Technology Co., Ltd.
4
No.
Name
Direction
Function
1
P1.4
Input/output
GPIO（see more from CC2531 datasheet）
2
P1.5
Input/output
GPIO（see more from CC2531 datasheet）
3
P1.6
Input/output
GPIO（see more from CC2531 datasheet）
4
P1.7
Input/output
GPIO（see more from CC2531 datasheet）
5
VCC
Power supply
2.0V—3.6V（do not power the module via USB at same time）
6
DD
Input/output
P2_1 for program download（see more from CC2531 datasheet）
7
DC
Input/output
P2_2 for program download（see more from CC2531 datasheet）
8
RESET
Input
Reset(Reset circuit available）
9
GND
Power supply
Ground
10
P0.2
Input/output
GPIO（see more from CC2531 datasheet）
11
P0.3
Input/output
GPIO（see more from CC2531 datasheet）
12
P0.4
Input/output
GPIO（see more from CC2531 datasheet）
13
P0.5
Input/output
GPIO（see more from CC2531 datasheet）
14
P0.6
Input/output
GPIO（see more from CC2531 datasheet）
15
P0.7
Input/output
GPIO（see more from CC2531 datasheet）
16
LED
Signal
indicator
Connect to P1.1 of CC2531，drive of high level lights
17
LED
Signal
indicator
Connect to P0.0 of CC2531，drive of low level lights
18
Button
Function
Connect to P1.3 of CC2531，effective at low level
19
Button
Function
Connect to P1.2 of CC2531，effective at low level
See detailed size from pcb lib.
 About more details about pin definition,software drive and protocol, please refer to official CC2531
Datasheet from TI.
4 Instruction
4.1 Burn program
E18-2G4U04B wireless packet capture tool built-in 8051 MCU, program download can use CC Debugger;