OLIMEX© 2017
OLIMEXINO-32U4 user's manual
Page 23 of 28
BUTTONS
STAT LEDS
UEXT
ICSP
Designed by: OLIMEX LTD, BULGARIA
OLIMEXINO-32U4 Rev.A3
7-12VDC
-
POWER_SUPPLY
Battery Charger
appr. 70 mA charge current
This hardware design by Olimex LTD is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
This hardware design by Olimex LTD is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Web-address: https://www.OLIMEX.com
3.3V/5V
HR1x3(3.3V:Open/5V:Close)
1
2
3.7V-LI_BAT
DW02R
1
2
AGND_E
CLOSE
BUT
C1
C2
C3
C4
C51uF/10V
C610nF
C8 20pF
C9 20pF
C10
100nF
C15
NA
C16
100nF
C17
C18
C19
1uF/10V
C20
100nF
C21
10uF/6.3V
C22
10uF/6.3V
CHG_D
open
1
2
1
2
3
4
5
6
CON1
NA
1
2
3
4
5
6
CON2
NA
1
2
3
4
5
6
7
8
CON3
NA
1
2
3
4
5
6
7
8
9
10
CON4
NA
D1
NA[1N5819(S4SOD-123)]
D2
1N5819(S4SOD-123)
D3
1N5819(S4SOD-123)
FET1
IRLML6402
FET3
IRLML6402
1
2
FET3_E
Close
1
2
3
4
5
6
ICSP
NA(HR2x3)
L1
FB/600 OHM/1206(321611C-601)
L2
22uH/10%/5mA
LED1
LED0603/GREEN
LED1_E
Close
LED2
LED0603/YELLOW
LED2_E
Close
3.3V_E
+5V
+5V
+5V
+5V
3.3V_E
3.3V_E
3.3V_E
5V_USB
5V_USB
5V_USB
+5V
+5V
VIN
VIN
3V3
5V
A0
A1
A2
A3
A4
A5
AREF
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
GND
GND
GND
RST
SCL
SDA
VIN
PLATFORM1
12xPN1x6
PWR
YDJ-1136
GND
GND
Q1
16.000MHz/SMD5x3.2/12pF
R1
22R
R2
22R
R3
100R/1%
R4
330R/1%
R5
2k
R6
10k
R7
4.7k
R8
330R
R9
4.7k
R10
330R
R11
4.7k
R11_E
Close
R12
4.7k
R12_E
Close
R13
4.7k
R13_E
Close
R14
2k
R15
2k
R16
2k
R17
2k
R18
15k
0R
R19
0R(Board_Mounted)
R20
100k
R21
10k
R22
NA
R23
NA
RST
RXLED
LED0603/YELLOW
RXLED_E
Close
TXLED
LED0603/GREEN
U1
ATMEGA32U4-AU
#RESET
13
AREF 42
AVCC
24
AVCC
44
D+
4
D-
3
GND
15
GND
23
GND
35
GND
43
INT6/AIN0/PE6
1
PB0/SS/PCINT0
8
PB1/PCINT1/SCLK
9
PB2/PDI/PCINT2/MOSI
10
PB3/PDO/PCINT3/MISO
11
PB4/PCINT4/ADC11
28
PB5/PCINT5/OC1A/#OC4B/ADC12
29
PB6/PCINT6/OC1B/OC4B/ADC13
30
PB7/PCINT7/OC0A/OC1C/#RTS
12
PC6/OC3A/#OC4A
31
PC7/ICP3/CLK0/OC4A
32
PD0/OC0B/SCL/INT0
18
PD1/SDA/INT1
19
PD2/RXD1/INT2
20
PD3/TXD1/INT3
21
PD4/ICP1/ADC8
25
PD5/XCK1/CTS
22
PD6/T1/#OC4D/ADC9
26
PD7/T0/OC4D/ADC10
27
PE2/#HWB
33
PF0/ADC0
41
PF1/ADC1
40
PF4/ADC4/TCK
39
PF5/ADC5/TMS
38
PF6/ADC6/TDO
37
PF7/ADC7/TDI
36
UCAP
6
UGND
5
UVCC
2
VBUS
7
VCC
14
VCC
34
XTAL1
17
XTAL2
16
BATTERY
CHARGER
CE 1
PROG
5
VBAT
3
VDD
4
VSS
2
U2
MCP73812T-420I/OT
BH10R
UEXT
1
2
3
4
5
6
7
8
9
10
D+
D-
GND
ID
VBUS
USB
USB-MINI
DVCC
DVCC
DVCC
DVCC
3.3V
3.3V
DVCC
DVCC
DVCC
DVCC
AVCC
AVCC
ADJ/GND
IN
OUT
VR1(5.0V)
AMS1117-ADJ
GND
1
VIN
2
VOUT 3
VR2(3.3V)
MCP1700T-3302E/MB
#HWB
#HWB
5.375V
A0
A0
A1
A1
A2
A2
A3
A3
A4
A4
A5
A5
AREF
AREF
D+
D+
D-
D-
D0(RXD)
D0(RXD)
D0(RXD)
D1(TXD)
D1(TXD)
D1(TXD)
D2(SDA)
D2(SDA)
D2(SDA)
D2(SDA)
D3(SCL)
D3(SCL)
D3(SCL)
D3(SCL)
D4
D4
D5
D5
D6
D6
D7(LED1)
D7(LED1)
D7(LED1)
D8(UEXT_PWR_E)
D8(UEXT_PWR_E)
D8(UEXT_PWR_E)
D9(LED2)
D9(LED2)
D9(LED2)
D10
D10
D11
D11
D12
D12
D13(UEXT_#CS)
D13(UEXT_#CS)
D13(UEXT_#CS)
D14(MISO)
D14(MISO)
D14(MISO)
D15(SCK)
D15(SCK)
D15(SCK)
D16(MOSI)
D16(MOSI)
D16(MOSI)
D17(RXLED)
D17(RXLED)
RESET
RESET
RESET
RESET
TXLED
TXLED
VBAT
XTAL1
XTAL2