User Manuals: Atmel ATmega32C1 8-bit Microcontrollers

Manuals and User Guides for Atmel ATmega32C1 8-bit Microcontrollers. We have 1 Atmel ATmega32C1 8-bit Microcontrollers manual available for free PDF download: Manual

Atmel ATmega32C1 Manual (367 pages)

8-bit AVR Microcontroller with16K/32K/64K Bytes In-System Programmable Flash

Brand: Atmel | Category: Microcontrollers | Size: 7 MB

Features

1
1 Pin Configurations

3
- Pin Descriptions
  5
2 Overview

8
- Block Diagram
  8
- Automotive Quality Grade
  9
- Pin Descriptions
  10
- About Code Examples
  11
3 AVR CPU Core

12
- Introduction
  12
- Architectural Overview
  12
- ALU - Arithmetic Logic Unit
  13
- Status Register
  14
- General Purpose Register File
  15
- Stack Pointer
  16
- Instruction Execution Timing
  17
- Reset and Interrupt Handling
  17
4 Memories

20
- In-System Reprogrammable Flash Program Memory
  20
- SRAM Data Memory
  21
- EEPROM Data Memory
  22
- I/O Memory
  28
- General Purpose I/O Registers
  28
5 System Clock

29
- Clock Systems and Their Distribution
  29
- Clock Sources
  30
- Default Clock Source
  31
- Low Power Crystal Oscillator
  31
- Calibrated Internal RC Oscillator
  33
- Pll
  34
- 128 Khz Internal Oscillator
  36
- External Clock
  36
- Clock Output Buffer
  37
- System Clock Prescaler
  37
6 Power Management and Sleep Modes

40
- Sleep Mode Control Register
  40
- Idle Mode
  41
- ADC Noise Reduction Mode
  41
- Power-Down Mode
  41
- Standby Mode
  42
- Power Reduction Register
  42
- Minimizing Power Consumption
  44
7 System Control and Reset

46
- Resetting the AVR
  46
- Reset Sources
  46
- Internal Voltage Reference
  51
- Watchdog Timer
  52
8 Interrupts

57
- Interrupt Vectors in Atmega16/32/64/M1/C1
  57
9 I/O-Ports

62
- Introduction
  62
- Ports as General Digital I/O
  63
- Alternate Port Functions
  67
- Register Description for I/O-Ports
  80
10 External Interrupts

82
- Pin Change Interrupt Timing
  82
- External Interrupt Control Register a - EICRA
  83
11 Timer/Counter0 and Timer/Counter1 Prescalers

87
- Internal Clock Source
  87
- Prescaler Reset
  87
- External Clock Source
  87
12 8-Bit Timer/Counter0 with PWM

90
- Overview
  90
- Timer/Counter Clock Sources
  91
- Counter Unit
  91
- Output Compare Unit
  92
- Compare Match Output Unit
  94
- Modes of Operation
  95
- Timer/Counter Timing Diagrams
  99
- 8-Bit Timer/Counter Register Description
  101
16 Bit Timer/Counter1 with PWM

107
- Overview
  107
- Accessing 16-Bit Registers
  109
- Timer/Counter Clock Sources
  112
- Counter Unit
  113
- Input Capture Unit
  114
- Output Compare Units
  116
- Compare Match Output Unit
  118
- Modes of Operation
  120
- Timer/Counter Timing Diagrams
  128
- 16-Bit Timer/Counter Register Description
  130
14 Power Stage Controller - (PSC) (Only Atmega16/32/64M1)

136
- Features
  136
- Overview
  136
- Accessing 16-Bit Registers
  136
- PSC Description
  137
- Functional Description
  138
- Update of Values
  142
- Overlap Protection
  143
- Signal Description
  144
- PSC Input
  146
- PSC Input Modes 001B to 10Xb: Deactivate Outputs Without Changing Timing
  148
- PSC Input Mode 11Xb: Halt PSC and Wait for Software Action
  148
- Analog Synchronization
  149
- Interrupt Handling
  149
- PSC Clock Sources
  149
- Interrupts
  150
- PSC Register Definition
  151
15 Serial Peripheral Interface - SPI

158
- Features
  158
- SS Pin Functionality
  163
- Data Modes
  166
16 Controller Area Network - CAN

168
- Features
  168
- CAN Protocol
  168
- CAN Controller
  174
- CAN Channel
  175
- Message Objects
  178
- CAN Timer
  182
- Error Management
  183
- Interrupts
  184
- CAN Register Description
  186
- General CAN Registers
  187
- Mob Registers
  196
- Examples of CAN Baud Rate Setting
  202
17 LIN / UART - Local Interconnect Network Controller or UART

204
- LIN Features
  204
- UART Features
  204
- LIN Protocol
  205
- LIN / UART Controller
  206
- LIN / UART Description
  212
- LIN / UART Register Description
  223
18 Analog to Digital Converter - ADC

230
- Features
  230
- Operation
  232
- Starting a Conversion
  232
- Prescaling and Conversion Timing
  233
- Changing Channel or Reference Selection
  235
- ADC Noise Canceler
  237
- ADC Conversion Result
  241
- Temperature Measurement
  243
- ADC Register Description
  245
- Amplifier
  250
- Amplifier Control Registers
  254
19 ISRC - Current Source

258
- Features
  258
- Typical Applications
  259
- Control Register
  261
20 Analog Comparator

262
- Features
  262
- Overview
  262
- Use of ADC Amplifiers
  263
- Analog Comparator Register Description
  264
21 Digital to Analog Converter - DAC

270
- Features
  270
- Operation
  271
- Starting a Conversion
  271
- DAC Register Description
  272
22 Analog Feature Considerations

275
23 Debugwire On-Chip Debug System

277
- Features
  277
- Overview
  277
- Physical Interface
  277
- Software Break Points
  278
- Limitations of Debugwire
  278
- Debugwire Related Register in I/O Memory
  278
24 Boot Loader Support - Read-While-Write Self-Programming Atmega16/32/64/M1/C1

279
25 Memory Programming

296
- Program and Data Memory Lock Bits
  296
- Fuse Bits
  297
- PSC Output Behavior During Reset
  298
- Signature Bytes
  300
- Calibration Byte
  301
- Parallel Programming Parameters, Pin Mapping, and Commands
  301
- Serial Programming Pin Mapping
  304
- Parallel Programming
  304
- Serial Downloading
  313
26 Electrical Characteristics

317
- Absolute Maximum Ratings
  317
- DC Characteristics
  317
- Clock Characteristics
  319
- External Clock Drive Characteristics
  319
- Maximum Speed Vs. V
  320
- PLL Characteristics
  320
- SPI Timing Characteristics
  321
- ADC Characteristics
  322
- Parallel Programming Characteristics
  324
27 Atmega16/32/64/M1/C1 Typical Characteristics

327
- Active Supply Current
  328
- Idle Supply Current
  330
- Power-Down Supply Current
  332
- Pin Pull-Up
  333
- Pin Driver Strength
  335
- Pin Thresholds and Hysteresis
  337
- BOD Thresholds and Analog Comparator Hysterisis
  340
- Analog Reference
  342
- Internal Oscillator Speed
  342
28 Instruction Set Summary

344
29 Register Summary

347
30 Errata

351
- Errata Summary
  351
31 Ordering Information

355
32 Package Information

355
- Tqfp32
  356
- Qfn32
  357
33 Datasheet Revision History for Atmega16/32/64/M1/C1

358

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User Manuals: Atmel ATmega32C1 8-bit Microcontrollers

Atmel ATmega32C1 Manual (367 pages)

Table of Contents

Features

1 Pin Configurations

2 Overview

3 AVR CPU Core

4 Memories

5 System Clock

6 Power Management and Sleep Modes

7 System Control and Reset

8 Interrupts

9 I/O-Ports

10 External Interrupts

11 Timer/Counter0 and Timer/Counter1 Prescalers

12 8-Bit Timer/Counter0 with PWM

16 Bit Timer/Counter1 with PWM

14 Power Stage Controller - (PSC) (Only Atmega16/32/64M1)

15 Serial Peripheral Interface - SPI

16 Controller Area Network - CAN

17 LIN / UART - Local Interconnect Network Controller or UART

18 Analog to Digital Converter - ADC

19 ISRC - Current Source

20 Analog Comparator

21 Digital to Analog Converter - DAC

22 Analog Feature Considerations

23 Debugwire On-Chip Debug System

24 Boot Loader Support - Read-While-Write Self-Programming Atmega16/32/64/M1/C1

25 Memory Programming

26 Electrical Characteristics

27 Atmega16/32/64/M1/C1 Typical Characteristics

28 Instruction Set Summary

29 Register Summary

30 Errata

31 Ordering Information

32 Package Information

33 Datasheet Revision History for Atmega16/32/64/M1/C1

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