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BM78 Datasheet(PDF) 6 Page - Microchip Technology

Part # BM78
Description  Bluetooth짰 4.2 Dual-Mode Module
PDF  60 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

BM78 Datasheet(HTML) 6 Page - Microchip Technology

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BM78
DS60001380A-Page 6
Advance Information
 2016 Microchip Technology Inc.
Table
1-1
provides
various
pins
of
the
BM78SPPx5MC2/NC2 module.
TABLE 1-1:
PIN DESCRIPTION
S5 Pin
05 Pin
Symbol
Type
Description
1
—
GND
Power
Ground reference
2
—
GND
Power
Ground reference
3
1
GND
Power
Ground reference
4
2
BAT_IN
Power
Battery Input (3.3V to 4.2V)
Main positive supply input
Connect to 10 uF (X5R/X7R) capacitor
5
3
SW_BTN
DI
Software Button H: Power On
L: Power Off
6
4
LDO33_O
Power
Internal 3.3V LDO output, can source no more than 50
mA
7
5
VDD_IO
Power
I/O positive supply input. Internal use only, do not con-
nect to other devices
8
6
LDO18_O
Power
Internal 1.8V LDO output. Internal use only, do not con-
nect to other devices
9
7
WAKEUP
DI
Wakeup from Sleep mode (active- low)
(internal pull-up)
10
8
PMULDO_O
Power
Power management unit output. Internal use only, do
not connect to other devices
11
9
P0_4
DO
Status Indication pin along with P1_5, refer to Table 2-3
12
10
P1_5
DO
Status Indication pin along with P0_4, refer to Table 2-3
13
11
P1_2/SCL
DO
I2C SCL
14
12
P1_3/SDA
DIO
I2C SDA
15
13
P1_7/CTS
DIO
Configurable Control or Indication pin or
UART CTS (input)
16
14
P0_5
DIO
Configurable Control or Indication pin
17
15
P0_0/RTS
DIO
Configurable Control or Indication pin or
UART RTS (output)
18
16
P2_0
DI
System configuration pin along with P2_4 and EAN
pins, used to set the BM78 in any one of the following
three modes: Application mode (for normal operation),
Test mode (to change EEPROM values), and Write
Flash mode (to enter the new firmware into the module),
refer to Table 2-1
19
17
P2_4
DI
System configuration pin along with P2_0 and EAN
pins, used to set the module in any one of the following
three modes: Application mode (for normal operation),
Test mode (to change EEPROM values), and Write
Flash mode (to enter new firmware into the module),
refer to Table 2-1
Legend:
A = Analog
D = Digital
I = Input
O = Output



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