ATtiny43U Datasheet (ATMEL Corporation)

ATtiny43U, Microcontroller

1.1.1 VCC Supply voltage.

1.1.2 GND Ground.

1.1.3 Port A (PA7:PA0) Port A is a 8-bit bi-directional I/O port with internal pull-up resistors (selected for each bit).

The Port A output buffers have symmetrical drive characteristics with both high sink and source 2 ATtiny43U 8048C *AV

ATtiny43U Features

* High Performance, Low Power AVR® 8-bit Microcontroller

* Advanced RISC Architecture

* 123 Powerful Instructions

* Most Single Clock Cycle Execution

* 32 x 8 General Purpose Working Registers

* Fully Static Operation

* Non-volatile Program and