Pololu Zumo 32U4 Schematic Diagram

Microcontroller and user interface
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Zumo 32U4 main board
©2015 Pololu Corporation
www.pololu.com
nRESET
SW1
USB Micro-B
VBUS
1
VBUS
R1
2
D-
R2
22
3
D+
22
4
D17
ID
D15
5
D16
GND
D14
D8
D9
D10
D11
D3
D2
D0
D1
D4
PD5
D12
D6
Y1
16 MHz
C4
C5
10 pF
10 pF
LCD
5V
1
Vss
2
VDD
R19
3
10k
Vo
4
RS
D0
5
R/W
6
D1
E
7
DB0
D13
8
DB1
9
DB2
R7
1k
10
DB3
11
D14
DB4
12
D17
DB5
13
D13
DB6
14
PD5
DB7
ATmega32U4
13
RESET
UCap
7
VBus
VCC
3
D-
VCC
4
D+
UVcc
8
PB0 (SS/PCINT0)
9
PB1 (PCINT1/SCK)
AVCC
10
PB2 (PDI/MOSI/PCINT2)
AVCC
11
PB3 (PDO/MISO/PCINT3)
28
PB4 (PCINT4/ADC11)
29
PB5 (OC1A/OC4B/PCINT5/ADC12)
AREF
30
PB6 (OC1B/OC4B/PCINT6/ADC13)
12
PB7 (OC0A/OC1C/PCINT7/RTS)
PE2 (HWB)
18
PD0 (INT0/SCL/OC0B)
PE6 (INT6/AIN0)
19
PD1 (INT1/SDA)
20
PD2 (INT2/RXD1)
21
PD3 (INT3/TXD1)
PC6 (OC3A/OC4A)
25
PD4 (ICP1/ADC8)
PC7 (ICP3/CLK0/OC4A)
22
PD5 (XCK1/CTS)
26
PD6 (T1/OC4D/ADC9
27
PD7 (T0/OC4D/ADC10)
PF7 (ADC7/TDI)
PF6 (ADC6/TDO)
PF5 (ADC5/TMS)
16
XTAL2
PF4 (ADC4/TCK)
PF1 (ADC1)
17
XTAL1
PF0 (ADC0)
5V
R3
1.5k
R5
1k
D1
Green
PD5
R9
3k
D3
SW2
B
Yellow
5V
L1
AVCC
10 uH
C1
6
AVR3V3
0.1 uF
C2
14
1 uF
34
5V
2
AVCC
24
44
C3
42
AREF
0.1 uF
33
PE2
1
D7
31
D5
32
D13
Top expansion area
36
(D18)
A0
37
(D19)
A1
38
(D20)
A2
39
(D21)
A3
40
(D22)
A4
IRL
41
(D23)
A5
A0
A2
A4
PE2
SHDN
5V
R4
2.21k
R6
1.5k
D2
Red
D17
R10
3k
SW3
C
Page 1 of 4
Front expansion area
Front
D3
1
D2
2
D12
VBAT
3
VBAT
D4
4
3V3
A4
5
5V
5V
6
7
8
9
D0
10
D1
11
A3
12
A2
13
A0
14
A1
15
D11
16
Left
IRR
1
1
2
2
A1
3
3
A3
4
4
A5
5
5
AREF
3V3
VREG
6
6
STAT
7
7
PSW
VCC
8
8
VBAT
9
9
10
10
VB
11
11
12
12
13
13
D14
SW4
A
D6
R8
1k
Schematic diagram

Microcontroller and user interface

Mid
Rear
VBAT
1
1
D4
D12
2
2
3
3
IRR
3V3
D6
4
4
IRL
A4
5
5
6
6
7
7
D0
A3
8
8
D1
D3
9
9
D11
D2
10
10
A2
A0
11
11
A1
D5
12
12
5V
5V
Right
1
1
2
2
D0
D1
3
3
D2
D3
4
4
D4
D5
5
5
D6
D7
6
6
D8
D9
7
7
D10
D11
8
8
D12
D13
5V
9
9
D17
PD5
10
10
D14
11
11
D15
D16
12
12
nRESET
13
13
5V
D4
buzzer
Q6
R23
100k

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Summary of Contents for Pololu Zumo 32U4

  • Page 1 Schematic diagram Zumo 32U4 main board ©2015 Pololu Corporation Microcontroller and user interface www.pololu.com nRESET AVCC Front expansion area 10 uH Front ATmega32U4 USB Micro-B VBUS AVR3V3 RESET UCap Rear 0.1 uF VBAT VBAT VBUS VBAT VBus 1 uF UVcc...
  • Page 2 Schematic diagram Zumo 32U4 main board ©2015 Pololu Corporation Motors, encoders, IMU, sensors, and emitters www.pololu.com Motors IR emitters VBAT VBAT DRV8838 DRV8838 10 uF 10 uF 10 uF 3.3 nF 3.3 nF nSLEEP nSLEEP 10 uF 10 uF 10 uF Right motor 0.1 uF...
  • Page 3 Schematic diagram Zumo 32U4 main board ©2015 Pololu Corporation Power www.pololu.com 1.2 uH TPS63061 VBAT VBAT VBAT VREG VOUT REGEN 220k VAUX 330 uF 220 uF 10 uF 0.1 uF 10 uF 10 uF REGEN Zumo chassis PS/SYNC 100k SHDN...
  • Page 4 Schematic diagram Zumo 32U4 front sensor board ©2015 Pololu Corporation www.pololu.com 2.2 nF 0.1 uF 1.0 uF 1.0 uF 1.0 uF 1.0 uF 10 uF 2.2 nF 10 uF 10 uF DOWN5 DOWN4 FRONT 2.2 uF TSSP77 2.2 nF 2.2 nF 2.2nF...

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