Atmel ATmega168PB Xplained Mini, Руководство пользователя

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ATmega168PB Xplained Mini User Guide [USER GUIDE]
42381A-MCU-10/2014
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Table 2-11. Target µC I/O Signals not connected to any Connector or Header
ATmega168PB pin Grid position
PE0 J5
PE1 I5
PE2 H5
PE3 G5
2.3.9 Extension Headers
The marked area on the grid I7 to R8 can be used for strapping in a Xplained PRO extension header and a few
other headers based on the SPI bus.
The general bus connections for a Xplained PRO Extension board is indicated in the Table 2-12, detailed wiring
can be found in the selected Extension board documentation.
Table 2-12. Xplained Pro Extension Header
Pin Name Typical µC
signal
Typical
grid
pin
Extension signal description
1 ID NC Communication line to the ID chip on extension board.
2 GND Ground.
3 ADC(+) Analogue to digital converter, positive part of differential
ADC.
4 ADC(-) Analogue to digital converter, negative part of differential
ADC.
5 GPIO1 General purpose I/O.
6 GPIO2 General purpose I/O.
7 PWM(+) Pulse width modulation, alternatively positive part of
differential PWM. RESET to RF Extension board.
8 PWM(-) Pulse width modulation, alternatively positive part of
differential PWM.
9 IRQ/GPIO Interrupt request line from extension board.