Datasheet

ManualsBrandsMICROCHIP TECHNOLOGY ManualsMicrocontrollers, Microprocessors & QuartzesEmbedded microcontroller TQFP 44 (10x10) 8/16-Bit 32 MHz I/O number 34

Table Of Contents

Features
1. Ordering Information
2. Pinout/Block Diagram
3. Overview
- 3.1 Block Diagram
4. Resources
- 4.1 Recommended reading
5. Capacitive touch sensing
6. AVR CPU
- 6.1 Features
- 6.2 Overview
- 6.3 Architectural Overview
- 6.4 ALU - Arithmetic Logic Unit
  - 6.4.1 Hardware Multiplier
- 6.5 Program Flow
- 6.6 Status Register
- 6.7 Stack and Stack Pointer
- 6.8 Register File
7. Memories
- 7.1 Features
- 7.2 Overview
- 7.3 Flash Program Memory
- 7.4 Fuses and Lock bits
- 7.5 Data Memory
- 7.6 EEPROM
- 7.7 I/O Memory
  - 7.7.1 General Purpose I/O Registers
- 7.8 Memory Timing
- 7.9 Device ID and Revision
- 7.10 I/O Memory Protection
- 7.11 Flash and EEPROM Page Size
8. Event System
- 8.1 Features
- 8.2 Overview
9. System Clock and Clock options
- 9.1 Features
- 9.2 Overview
- 9.3 Clock Sources
10. Power Management and Sleep Modes
- 10.1 Features
- 10.2 Overview
- 10.3 Sleep Modes
11. System Control and Reset
- 11.1 Features
- 11.2 Overview
- 11.3 Reset Sequence
- 11.4 Reset Sources
12. WDT – Watchdog Timer
- 12.1 Features
- 12.2 Overview
13. Interrupts and Programmable Multilevel Interrupt Controller
- 13.1 Features
- 13.2 Overview
- 13.3 Interrupt vectors
14. I/O Ports
- 14.1 Features
- 14.2 Overview
- 14.3 Output Driver
- 14.4 Input sensing
- 14.5 Alternate Port Functions
15. TC0/1 – 16-bit Timer/Counter Type 0 and 1
- 15.1 Features
- 15.2 Overview
16. TC2 – Timer/Counter Type 2
- 16.1 Features
- 16.2 Overview
17. AWeX – Advanced Waveform Extension
- 17.1 Features
- 17.2 Overview
18. Hi-Res – High Resolution Extension
- 18.1 Features
- 18.2 Overview
19. RTC – 16-bit Real-Time Counter
- 19.1 Features
- 19.2 Overview
20. USB – Universal Serial Bus Interface
- 20.1 Features
- 20.2 Overview
21. TWI – Two-Wire Interface
- 21.1 Features
- 21.2 Overview
22. SPI – Serial Peripheral Interface
- 22.1 Features
- 22.2 Overview
23. USART
- 23.1 Features
- 23.2 Overview
24. IRCOM – IR Communication Module
- 24.1 Features
- 24.2 Overview
25. CRC – Cyclic Redundancy Check Generator
- 25.1 Features
- 25.2 Overview
26. ADC – 12-bit Analog to Digital Converter
- 26.1 Features
- 26.2 Overview
27. AC – Analog Comparator
- 27.1 Features
- 27.2 Overview
28. Programming and Debugging
- 28.1 Features
- 28.2 Overview
29. Pinout and Pin Functions
- 29.1 Alternate Pin Function Description
- 29.2 Alternate Pin Functions
30. Peripheral Module Address Map
31. Instruction Set Summary
32. Packaging information
- 32.1 64A
- 32.2 64M2
33. Electrical Characteristics TBD
34. Typical Characteristics TBD
35. Errata
- 35.1 ATxmega32C4
  - 35.1.1 rev. H
- 35.2 ATxmega16C4
  - 35.2.1 rev. H
36. Datasheet Revision History
- 36.1 8493A – 02/12
Table of Contents

8493A–AVR–02/12

XMEGA C4

Figure 29-1. Port R - Alternate functions

Table 29-5. Port E - Alternate functions

PORT E PIN # INTERRUPT TCE0 USARTE0 TOSC TWIE CLOCKOUT EVENTOUT

PE0 36 SYNC OC0A SDA

PE1 37 SYNC OC0B XCK0 SCL

PE2 38 SYNC/ASYNC OC0C RXD0

PE3 39 SYNC OC0D TXD0

PE4 40 SYNC

PE5 41 SYNC

PE6 42 SYNC TOSC1

PE7 43 SYNC TOSC1 Clk

PER

EVOUT

GND 44

VCC 45

Table 29-6. Port F - Alternate functions

PORT F PIN # INTERRUPT TCF0

PF0 46 SYNC OC0A

PF1 47 SYNC OC0B

PF2 48 SYNC/ASYNC OC0C

PF3 49 SYNC OC0D

PF4 50 SYNC

PF5 51 SYNC

PF6 54 SYNC

PF7 55 SYNC

GND 52

VCC 53

PORT R PIN # INTERRUPT PDI XTAL

PDI 56 PDI_DATA

RESET

57 PDI_CLOCK

PRO 58 SYNC XTAL2

PR1 59 SYNC XTAL1