Ebyte E104-BT09 User Manual page 8

Chengdu Ebyte Electronic Technology Co.,Ltd.
3 RXD
4 NC
5 NC
6 NC
7 NC
8 SWS
9 NC
10 NC
11 RESTORE
12 GND
13 WKP
14 VBAT
15 AVDD3
16 GND
17 BAT_DET
18 LINK
19 NC
20 GND
21 GND
22 NC
23 NC
24 GND
25 GND
26 RESET
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PD1 Input
PD2 -
PD4 -
PD6 -
PD7 -
PA3
PA7 -
PB3 -
PB2 Input
DVSS -
PB4 Input
VBAT Input
AVDD3 Input
GND -
PB5 Input
PB6 Output
PB7 -
GND -
GND -
PC0 -
PC1 -
GND -
GND -
RESETB Input
Serial Receive Pin
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After an internal pull-up, falling edge, and then holding low for
at least 5 seconds, all parameters are restored to factory settings
and the module is automatically rebooted.
Module Ground
Default low level, low power consumption mode, serial port can
not communicate. Pull high to enter normal working mode,
serial port can communicate.
Battery power, support 1.8 V ~ 4.2 V power supply.
Positive power supply, 1.8 V ~ 3.6 V, 3.3 V power supply is
recommended.
Module ground
Battery voltage detection, see section 6.2.16 for details
Connection status indicator pin, high level means connected,
low level means disconnected
Module Ground
Module Ground
Module Ground
Module Ground
Reset pin, active low, internal pull-up
E104-BT09 User Manual
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