Datasheet

PB5(SCK)
17
PB7(XTAL2/TOSC2)
8
PB6(XTAL1/TOSC1)
7
GND
3
GND
5
VCC
4
VCC
6
AGND
21
AREF
20
AVCC
18
PB4(MISO)
16
PB3(MOSI/OC2)
15
PB2(SS/OC1B)
14
PB1(OC1A)
13
PB0(ICP)
12
PD7(AIN1)
11
PD6(AIN0)
10
PD5(T1)
9
PD4(XCK/T0)
2
PD3(INT1)
1
PD2(INT0)
32
PD1(TXD)
31
PD0(RXD)
30
ADC7
22
ADC6
19
PC5(ADC5/SCL)
28
PC4(ADC4/SDA)
27
PC3(ADC3)
26
PC2(ADC2)
25
PC1(ADC1)
24
PC0(ADC0)
23
PC6(/RESET)
29
2 1
VIN
4
STAT
1
VBAT
3
PROG
5
VSS
2
13
4 2
VCC
VO
D+
D-
VBUS
GND
RESET
19
OSCI
27
OSCO
28
DSR
9
DCD
10
RI
6
3V3OUT
17
USBDM
16
USBDP
15
GND7
7
GND18
18
GND21
21
TXD
1
RXD
5
VCCIO
4
AGND
25
TEST
26
VCC
20
TXLED
23
RXLED
22
RTS
3
CTS
11
DTR
2
PWREN
14
TXDEN
13
SLEEP
12
1
2
3
1
2
3
4
IN
GND
OUT
EN
BP
1 2
3 4
5 6
GRN
BLU
BC
RED
RC GC