2 Peripheral Overview

Table 2-2. Peripheral Overview
Feature

AVR16EB14

AVR16EB20

AVR16EB28

AVR16EB32
Pins 14 20 28 32
Max. frequency (MHz) 20 20 20 20
16-bit Timer/Counter type B (TCB) 2 2 2 2
16-bit Timer/Counter type E (TCE) 1 1 1 1
Waveform Extension (WEX) 1 1 1 1
16-bit Timer/Counter type F (TCF) 1 1 1 1
Real-Time Counter (RTC) 1 1 1 1
USART/SPI host 1 1 1 1
SPI host/client 1 1 1 1
TWI/I2C(1) 1 1 1 1
12-bit differential ADC (channels) 1 (8) 1 (14) 1 (20) 1 (24)
Analog Comparator (AC) 2 2 2 2
Configurable Custom Logic Look-up Table (CCL LUT) 4 4 4 4
Watchdog Timer 1 1 1 1
Event System channels 6 6 6 6
General Purpose I/O pins (input/output(2)) 12/11 18/17 24/23 28/27
PORT

PA[1:0]
PC[3:0]
PD[7:4]
PF[7:6]

PA[7:0]
PC[3:0]
PD[7:4]
PF[7:6]

PA[7:0]
PC[3:0]
PD[7:0]
PF[7,6,1,0]

PA[7:0]
PC[3:0]
PD[7:0]
PF[7:0]
External interrupts 12 18 24 28
CRCSCAN 1 1 1 1
Unified Program and Debug Interface (UPDI) 1 1 1 1
Note:
  1. The TWI/I2C can operate simultaneously as a host and client on different pins.
  2. PF6/RESET pin is input only.