Pololu A-Star 32U4 Mini Schematic Diagram
Primary microcontroller connections
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Also See for A-Star 32U4 Mini:
- User manual (59 pages) ,
- Manual (7 pages) ,
- Schematic diagram (3 pages)
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R
USB Micro-B
5V
AVCC
L1
10 uH
A-Star 32U4 Mini
©2014–2018 Pololu Corporation
www.pololu.com
SW1
VBUS
1
VBUS
R2
2
D-
R1
22
3
D+
22
4
ID
5
GND
Y1 16 MHz
C5
0.1 uF
C1
ATmega32U4
13
RESET
7
VBus
3
D-
4
D+
RXLED
8
PB0 (SS/PCINT0)
SCK
9
PB1 (PCINT1/SCK)
MOSI
10
PB2 (PDI/MOSI/PCINT2)
MISO
11
PB3 (PDO/MISO/PCINT3)
D8
28
PB4 (PCINT4/ADC11)
D9
29
PB5 (OC1A/OC4B/PCINT5/ADC12)
D10
30
PB6 (OC1B/OC4B/PCINT6/ADC13)
D11
12
PB7 (OC0A/OC1C/PCINT7/RTS)
D3
18
PD0 (INT0/SCL/OC0B)
D2
19
PD1 (INT1/SDA)
D0
20
PD2 (INT2/RXD1)
D1
21
PD3 (INT3/TXD1)
D4
25
PD4 (ICP1/ADC8)
TXLED
22
PD5 (XCK1/CTS)
D12
26
PD6 (T1/OC4D/ADC9
D6
27
PD7 (T0/OC4D/ADC10)
16
XTAL2
17
XTAL1
C2
Page 1 of 7
Schematic diagram
Primary microcontroller connections
6
UCap
14
VCC
34
5V
VCC
2
UVcc
AVCC
24
AVCC
44
AVCC
42
AREF
AREF
33
HWB
PE2 (HWB)
1
D7
PE6 (INT6/AIN0)
31
D5
PC6 (OC3A/OC4A)
32
D13
PC7 (ICP3/CLK0/OC4A)
36
A0
PF7 (ADC7/TDI)
37
A1
PF6 (ADC6/TDO)
38
A2
PF5 (ADC5/TMS)
39
A3
PF4 (ADC4/TCK)
40
A4
PF1 (ADC1)
41
A5
PF0 (ADC0)
3V3
C3
1 uF
C4
0.1 uF
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Related Manuals for Pololu A-Star 32U4 Mini
Summary of Contents for Pololu A-Star 32U4 Mini
- Page 1 Schematic diagram A-Star 32U4 Mini ©2014–2018 Pololu Corporation Primary microcontroller connections www.pololu.com VBUS ATmega32U4 USB Micro-B RESET UCap VBUS VBus 1 uF UVcc RXLED AVCC PB0 (SS/PCINT0) PB1 (PCINT1/SCK) AVCC MOSI PB2 (PDI/MOSI/PCINT2) AVCC MISO PB3 (PDO/MISO/PCINT3) PB4 (PCINT4/ADC11) AREF...
- Page 2 Schematic diagram A-Star 32U4 Mini ©2014–2018 Pololu Corporation LEDs and external connections www.pololu.com BAT- BAT+ AREF Green TXLED RXLED TXLED RXLED MOSI MISO nRESET AVRISP MISO MISO Yellow MOSI MOSI nRESET Page 2 of 7...
- Page 3 Schematic diagram A-Star 32U4 Mini ©2014–2018 Pololu Corporation Power switching www.pololu.com VREG VBUS TPS2113A STAT STAT 10 uF VSNS 10 uF 10 uF 0.1 uF 100k ILIM 10 uF 0.1 uF 0.1 uF 0.1 uF 1 uF SHDN STAT 0.1 uF...
- Page 4 Schematic diagram A-Star 32U4 Mini ©2014–2018 Pololu Corporation ULV regulator www.pololu.com 100k (BAT+) 2.2 uH REGEN TPS61202 SHDN VREG VOUT 10 uF REGEN UVLO VAUX PGND 1 uF 0.1 uF BAT- Page 4 of 7...
- Page 5 Schematic diagram A-Star 32U4 Mini ©2014–2018 Pololu Corporation LV regulator www.pololu.com 220k REGEN SHDN 1.2 uH VREG TPS63061 BAT+ VOUT REGEN 10 uF 6.8 V 10 uF VAUX PS/SYNC 10 uF 10 uF 0.1 uF 100k (BAT-) Page 5 of 7...
- Page 6 Schematic diagram A-Star 32U4 Mini ©2014–2018 Pololu Corporation SV regulator (ac02c) www.pololu.com 300k REGEN SHDN VREG 22 uH BAT+ ISL85415 REGEN COMP 12 V 1 uF PHASE 100 pF SYNC BOOT 100 nF 100k 4.7 uF PGND GND_PAD 12.4k (BAT-)
- Page 7 Schematic diagram A-Star 32U4 Mini ©2014–2018 Pololu Corporation SV regulator (ac02f) www.pololu.com 300k REGEN SHDN VREG 22 uH BAT+ ISL85418 REGEN COMP 16.2 V 1 uF PHASE 100 pF SYNC BOOT 100 nF 100k 4.7 uF PGND GND_PAD 12.4k (BAT-)
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