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Raytec Corporation
FCC ID: SM6MDBT40
IC:8017A-MDBT40
CMUT ID:2015DJ2435
Model No:MDBT40
2041420020
010
010
010
313
010
222
222
222
ATSAMD21
G18A-U
145O C ARM
A2PO8A TM
M0 Bluefruit LE
https://www.adafruit.com/product/2995
Can't go higher than 3.3V!
VREFA
VREFA
A0
14
A1
15
A2
16
A3
17
18
19
A4
A5
AIN4
24
23
RXD0
MISO
AIN19
TXD0
22
0
1
Used for BLE firmware update
Normally, keep it disconnected!
VREFB
AIN5
SCK
MOSI
2WO0
TCC
1WO1
TCC
1WO0
TCC
VOUT
AIN2
AIN3
AC /A IN
AC /A IN
AIN10
0WO5
TCC
0WO4
TCC
0WO6
TCC
0WO3
TCC
0WO2
TCC
0
1
AIN1
AIN0
TC4WO
TC4WO
0WO0
TCC
0WO1
TCC
TC6WO
TC5WO
TC5WO
SC2PAD
SC0PAD
SC0PAD
EXTINT3
EXTINT2
0
EXTINT8
1
EXTINT9
EX TIN T4
EXTINT5
0
EXTINT2
1
EXTINT11
0
EXTINT10
0
EXTINT12
3
EXTINT11
2
EXTINT10
VREFA
RESET
40
3V3
PA03
GND
PA02
PB08
PB09
PA04
PA05
10
PB02
47
PB11 20
PB10
19
PA12
21
PA11
16
PA10
15
DFU
Power
GND
Serial Pin
Analog Pin
Control
INT
Physical Pin
Port Pin
Pin function
Interrupt Pin
0
0WO7
TCC
TCC
1WO2
1WO0
CS
4
IRQ
7
RST
8
SC0PAD
SC5PAD
SC1PAD
0
AIN16
3
TC7WO
1
AC /A IN
TC0WO
1
TCC
2
AIN7
Optional Lipoly Battery
USB JACK
Micro Type B
13
30
11
PA08
PA21
PA06
NMI
EXTINT5
EXT INT6
BLE Module control
4
DAC
PWM Pin
Connected to BLE
Port Power
The power sum for each pin’s
group should not exceed 65mA
RESET BUTTON
3.7 V 4.2 V
Connect to ground to disable the 3.3V regulator
2WO1
SC1PAD
SC1PAD
SC3PAD
SC1PAD
1WO1
TCC
SC5PAD
SC2PAD
SC0PAD
SC3PAD
1
3
2
2
2
2
2
0
TCC
TC3WO
TCC
TC3WO
AC /A IN
TC7WO
TC3WO
TC4WO
TC4WO
2WO0
1
0
2
0
1
1
0
0WO7
TCC
0WO3
TCC
0WO6
TCC
0WO2
TCC
AIN7
0WO6
TCC
0WO5
TCC
0WO5
TCC
0WO4
TCC
SCL
SDA
13
12
38
11
10
9
6
5
21
20
26
28
25
27
12
29
24
32
31
VBAT
En
VBUS
PA17
PA19
PA16
PA18
PA07
PA20
PA15
PA23
PA22
EXTINT1
EXTINT3
EXTINT0
EXTINT2
EXTINT7
EX TIN T4
EXTINT15
EXTINT7
EXT INT6
3
7
8
9
The output from 3.3V Regulator
Absolute MAX 400mA
3V3
ACX
Absolute MAX per pin 10mA
recommended 7mA
Absolute MAX 130mA
for entire package
VBUS
VBAT
It’s connected to 5V USB
Absolute MAX 500mA
It’s the positive voltage
from/to the JST batt jack
01 FEB 2016
ver 1 rev 1
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