Circuit diagram

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
Micro USB
Atmega 32U4_LED
UART connection
AP2302GN
2D
S13G
ICSP1
Level shifter
IO13 LED Control
OSC_OUT
OSC_IN
32U4_nRESET
OSC_IN
OSC_OUT
32U4_nRESET
32U4_nRESET
VDD5V
VDD5V
VDD5V
VDD5V
VDD5V
VDD25 VDD5V
VDD5V
VDD33
VDD5V
VDD5V
VDD5V
TXD1
RXD1
32U4_D+
32U4_D-
SCL
SDA
32U4_D-
32U4_D+
TXD1
RXD1 UART_TX1
UART_RX1
HORNET_GP26
HORNET_GP27
HORNET_GP21
GPIO11
GPIO8
SS
MOSI
MISO
SCK
HORNET_GP18
SS
TXLED
SCK
MISO
MOSI
SS
TXLED
32U4_nRESET
SCK
MISO
MOSI
32U4_A0
32U4_A1
D5
HANDSHAKE
HANDSHAKE
HORNET_GP19
OLED_RES#
IO13
IO13
D6
32U4_A2
32U4_A3
Title
Size Document Number Rev
Date: Sheet
of
ATMEGA32U4
45Thursday, November 05, 2015
dog hunter Inc.
8F-4, No.17, Ln. 91, Sec. 1,
Neihu Rd., Neihu Dist., Taipei City
Taiwan (R.O.C.)
Author = Tony Jin
Title
Size Document Number Rev
Date: Sheet of
ATMEGA32U4
45Thursday, November 05, 2015
dog hunter Inc.
8F-4, No.17, Ln. 91, Sec. 1,
Neihu Rd., Neihu Dist., Taipei City
Taiwan (R.O.C.)
Author = Tony Jin
Title
Size Document Number Rev
Date: Sheet of
ATMEGA32U4
45Thursday, November 05, 2015
dog hunter Inc.
8F-4, No.17, Ln. 91, Sec. 1,
Neihu Rd., Neihu Dist., Taipei City
Taiwan (R.O.C.)
Author = Tony Jin
R10
1K2
+/-5%
1/16W
R9 0R
TP50
32U4_nRESET
.
1
TP27
USBGND
.
1
C6
0.1uF
C0402
C14 0.1uF
R11
1K2
+/-5%
1/16W
R19
10K
R13 0R
C18
+/-20%
6.3V
22uF
TP54SCK
.
1
U1
ATMEGA32U4-MU
ATMEGA32U4/QFN44
AVCC
24
AVCC
44
#RESET
13
XTAL1
17
XTAL2
16
AREF
42
(ADC6/TDO)PF6
37
(ADC7/TDI)PF7
36
(OC0B/SCL/INT0)PD0
18
(SDA/INT1)PD1
19
(RXD1/INT2)PD2
20
(TXD1/INT3)PD3
21
GND
43
(ICP1/ADC8)PD4
25
GND
15
(#HWB)PE2
33
GND
23
VCC
14
(INT6/AIN0)PE6
1
(XCK1/#CTS)PD5
22
(T1/#OC4D/ADC9)PD6
26
(T0/OC4D/ADC10)PD7
27
(PCINT7/OC0A/OC1C/#RTS)PB7
12
(PCINT6/OC1B/OC4B/ADC13)PB6
30
(PCINT5/OC1A#OC4B/ADC12)PB5
29
(ADC11/PCINT4)PB4
28
VCC
34
(PD0/MISO/PCINT3)PB3
11
(PD1/MOSI/PCINT2)PB2
10
(SCLK/PCINT1)PB1
9
(SS/PCINT0)PB0
8
(ICP3/CLK0/OC4A)PC7
32
(OC3A/#OC4A)PC6
31
GND
35
UCAP
6
UVCC
2
D-
3
D+
4
UGND
5
VBUS
7
PAD
EXP
(ADC4/TCK)PF4
39
(ADC1)PF1
40
(ADC5/TMS)PF5
38
(ADC0)PF0
41
C9
10pF
C0402
R18
10K
C15 0.1uF
R20 0R
C13
0.1uF
C0402
R17 10K
H1
Hole
PAD1
TP26
VDD5_USB
.
1
R22
1M
R0402
D
S
G
Q2
AP2302GN-HF
AP2302GN-HF/SOT23
1
3 2
C12
0.1uF
C0402
R141 47K
+/-5% 1/16W
R21 10K
H2
Hole
PAD1
C11
0.1uF
C0402
J2
J100/6D
1 2
3 4
5 6
R25
4K7
R0402
R144
47K
+/-5%
1/16W
H3
Hole
PAD1
R27 22R
C8
0.1uF
6.3V
+/-10%
5VD-D+IDG
J4
D03-0718-05022
USB/MICRO-D03-0718-05022
1
2
3
4
6 5
7
8
9
R23 1K
R0402
C7
1uF
C0402
Q14
2SC4081
2SC4081/SC70
1
2
3
R14
2K2
R0402
U2
74LVC2G07
74LVC2G07/SOT363
1Y
6
Vcc
5
1A
1
GND
2
2A
3
2Y
4
LED4
GREEN
12
R15
2K2
R0402
LED5
GREEN
12
R28 22R
C17
10uF
C0603
TP48 MOSI
.
1
C10
10pF
C0402
TP49 GND
.
1
LED6
RED
12
C16
0.1uF
C0402
U3
NTB0104UK
NTB0104/SOT1174
B1
10
B2
9
B3
8
B4
7
VCCA
1
VCCB
11
A1
2
A2
3
A3
4
A4
5
OE
12
GND
6
R12 10K
R26
10K
+/-5%
1/16W
R145
1K2
+/-5%
1/16W
TP53MISO
.
1
YZ1
CRY_16MHz/10pF/ 20ppm
XTAL/SX2016
1 3
2 4