Atmel ATmega168 User Manual

ATmega168 Xplained Mini User Guide [USER GUIDE]
42250A-MCU-02/2014
11
J100 pin Signal function
2 GND
3 JTAG_TDO
4 VCC (5V0)
5 JTAG_TMS
6 RESET
7 NC
8 NC
9 JTAG_TDI
10 GND
2.3.2 USB (J101)
J101 is a USB2.0 A PCB connector connecting the board to the PC.
Table 2-2. USB
J101 pin Function
1 VBUS
2 D-
3 D+
4 GND
2.3.3 USART (J102)
The ATmega32U4 UASRT signals are available on J102.
Table 2-3. J102 USART
J102 pin ATmega32U4 ATmega168 Function
1 - UART TXD PD3 PD1 TxD from ATmega32U4
2 - UART RXD PD2 PD0 TxD from ATmega168
2.3.4 ATmega168 Digital I/O (J200 and J201)
J200 and J201 provide access to ATmega168 digital I/O pins.
Table 2-4. J200
J200 pin & location ATmega168 pin
J200-1/ I11 PB0
J200-2 PB1
J200-3 PB2
J200-4 PB3
J200-5 PB4
J200-6 PB5
J200-7 GND
J200-8 AREF
J200-9 PC4
J200-10 PC5
Table 2-5. J201
J201 pin ATmega168 pin
J201-1 PD0

Atmel ATmega168 Specifications

General

Brand	Atmel
Model	ATmega168
Category	Motherboard
Language	English