ATMEGA162-16PU datasheet, pdf & price
- CoreProcessor: AVR
- Core Size: 8-Bit
- Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
- Package: 40-DIP (0.600, 15.24mm)

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ATmega162 Pinout

1:Overview of the ATmega162:
ATmega162 is an 8-bit microcontroller (MCU) based on the AVR architecture. It is a chip designed specifically for embedded applications. ATmega162 includes 16KB Flash program memory, 1KB of SRAM data memory and 512 bytes of EEPROM non-volatile memory, and supports online programming and repeated erase.
The chip is packaged in 40-pin PDIP/SOIC/TQFP and operates between 2.7V and 5.5V. The chip has a maximum frequency of 16MHz, an integrated 8-channel 10-bit ADC, SPI/I2C/UART communication interface, and watchdog timer.
Typically used in industrial control, data acquisition systems, intelligent instruments, communication interface expansion and low-cost embedded equipment development.
2:ATmega162 Important pin function definition:
| Pin Number | Pin Name | Description | |
|---|---|---|---|
| Pin 40 | VCC | Digital supply voltage | |
| Pin 20 | GND | GND | |
| Pin 32–39 | PortA (PA7..PA0) | Port A is an 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 capability. | |
| Pin 8–1 | PortB (PB7..PB0) | Port B is an 8-bit bi-directional I/O port with internal pull-up resistors (selected for each bit). The Port B output buffers have symmetrical drive characteristics with both high sink and source capability. | |
| Pin 21–28 | PortC (PC7..PC0) | Port C is an 8-bit bi-directional I/O port with internal pull-up resistors (selected for each bit). The Port C output buffers have symmetrical drive characteristics with both high sink and source capability. | |
| Pin 10–17 | PortD (PD7..PD0) | Port D is an 8-bit bi-directional I/O port with internal pull-up resistors (selected for each bit). The Port D output buffers have symmetrical drive characteristics with both high sink and source capability. | |
| Pin 29–31 | PortE (PE2..PE0) | Port E is an 8-bit bi-directional I/O port with internal pull-up resistors (selected for each bit). The Port E output buffers have symmetrical drive characteristics with both high sink and source capability. | |
| Pin 9 | RESET | Reset input. A low level on this pin for longer than the minimum pulse length will generate a Reset, even if the clock is not running. | |
| Pin 19 | XTAL1 | Input to the Inverting Oscillator amplifier and input to the internal clock operating circuit. | |
| Pin 18 | XTAL2 | Output from the Inverting Oscillator amplifier. | |













