Datasheet

6
32133D–11/2011
UC3D
2.2 Configuration Summary
Table 2-1. Configuration Summary
Feature ATUC128/64D3 ATUC128/64D4
Flash 128/64KB 128/64KB
SRAM 16KB 16KB
Package TQFP64, QFN64 TQFP48, QFN48
GPIO 51 35
FS USB Device 1
Hi-drive pins 4
External Interrupts 9 7
TWI Master/Slave 1/1
USART 3
Peripheral DMA Channels 7
SPI 1
Asynchronous Timers 1
Timer/Counter Channels 3
PWM channels 7
Inter-IC Sound 1
Frequency Meter 1
Watchdog Timer 1
Power Manager 1
Oscillators
2x Phase Locked Loop 80-240 MHz (PLL)
1x Crystal Oscillator 0.4-20 MHz (OSC0)
1x Crystal Oscillator 32 KHz (OSC32K)
1x RC Oscillator 120MHz (RC120M)
1x RC Oscillator 115 kHz (RCSYS)
10-bit ADC channels 8 6
Capacitive Touch Sensor supported 25 17
Glue Logic Control Inputs/Outputs 16/4 14/4
JTAG 1
aWire 1
Max Frequency 48 MHz