Microchip ATmega4808 Manuals

Manuals and User Guides for Microchip ATmega4808. We have 1 Microchip ATmega4808 manual available for free PDF download: Manual

Microchip Technology ATmega4808 Manual (483 pages)

Brand: Microchip Technology | Category: Microcontrollers | Size: 2 MB

Introduction
1
Features
1
Table of Contents
3
1 Block Diagram

8
2 Megaavr ® 0-Series Overview

9
- Memory Overview
  9
- Peripheral Overview
  10
3 Conventions

11
- Numerical Notation
  11
- Memory Size and Type
  11
- Frequency and Time
  11
- Registers and Bits
  12
4 Acronyms and Abbreviations

14
5 Memories

17
- Overview
  17
- Memory Map
  17
- In-System Reprogrammable Flash Program Memory
  18
- SRAM Data Memory
  19
- EEPROM Data Memory
  19
- User Row (USERROW)
  19
- Signature Row (SIGROW)
  20
- Fuses (FUSE)
  28
- Memory Section Access from CPU and UPDI on Locked Device
  38
- I/O Memory
  39
6 Peripherals and Architecture

43
7 Avr Cpu

50
- Features
  50
- Overview
  50
- Architecture
  50
- Arithmetic Logic Unit (ALU)
  52
- Functional Description
  52
- Register Summary - CPU
  57
- Register Description
  57
8 Nonvolatile Memory Controller (NVMCTRL)

62
- Features
  62
- Overview
  62
- Functional Description
  63
- Register Summary - NVMCTRL
  69
- Register Description
  69
9 Clock Controller (CLKCTRL)

77
- Features
  77
- Overview
  77
- Functional Description
  79
- Register Summary - CLKCTRL
  83
- Register Description
  83
10 Sleep Controller (SLPCTRL)

93
- Features
  93
- Overview
  93
- Functional Description
  94
- Register Summary - SLPCTRL
  97
- Register Description
  97
11 Reset Controller (RSTCTRL)

99
- Features
  99
- Overview
  99
- Functional Description
  100
- Register Summary - RSTCTRL
  102
- Register Description
  102
12 CPU Interrupt Controller (CPUINT)

105
- Features
  105
- Overview
  105
- Functional Description
  106
- Register Summary - CPUINT
  112
- Register Description
  112
13 Event System (EVSYS)

117
- Features
  117
- Overview
  117
- Functional Description
  119
- Register Summary - EVSYS
  123
- Register Description
  123
14 Port Multiplexer (PORTMUX)

129
- Overview
  129
- Register Summary - PORTMUX
  130
- Register Description
  130
15 I/O Pin Configuration (PORT)

137
- Features
  137
- Overview
  137
- Functional Description
  138
- Register Summary - Portx
  142
- Register Description - Ports
  142
- Register Summary - Vportx
  155
- Register Description - Virtual Ports
  155
16 Brown-Out Detector (BOD)

160
- Features
  160
- Overview
  160
- Functional Description
  161
- Register Summary - BOD
  163
- Register Description
  163
17 Voltage Reference (VREF)

170
- Features
  170
- Overview
  170
- Functional Description
  170
- Register Summary - VREF
  172
- Register Description
  172
18 Watchdog Timer (WDT)

175
- Features
  175
- Overview
  175
- Functional Description
  176
- Register Summary - WDT
  180
- Register Description
  180
19 Bit Timer/Counter Type a (TCA)

184
- Features
  184
- Overview
  184
- Functional Description
  187
- Sleep Mode Operation
  196
- Register Summary - Tcan in Normal Mode (SPLITM in Tcan.ctrld=0)
  197
- Register Description - Normal Mode
  198
- Register Summary - Tcan in Split Mode (SPLITM in Tcan.ctrld=1)
  218
- Register Description - Split Mode
  218
20 Bit Timer/Counter Type B (TCB)

234
- Features
  234
- Overview
  234
- Functional Description
  235
- Register Summary - TCB
  243
- Register Description
  243
21 Real-Time Counter (RTC)

255
- Features
  255
- Overview
  255
- Clocks
  256
- RTC Functional Description
  256
- PIT Functional Description
  257
- Crystal Error Correction
  259
- Events
  260
- Interrupts
  260
- Sleep Mode Operation
  261
- 21.10 Synchronization
  261
- Register Summary - RTC
  262
- 21.12 Register Description
  262
22 Universal Synchronous and Asynchronous Receiver and Transmitter (USART)

280
- Features
  280
- Overview
  280
- Functional Description
  283
- Register Summary - Usartn
  298
- Register Description
  298
23 Serial Peripheral Interface (SPI)

317
- Features
  317
- Overview
  317
- Functional Description
  319
- Register Summary - Spin
  327
- Register Description
  327
24 Two-Wire Interface (TWI)

334
- Features
  334
- Overview
  334
- Functional Description
  335
- Register Summary - Twin
  349
- Register Description
  349
25 Cyclic Redundancy Check Memory Scan (CRCSCAN)

370
- Features
  370
- Overview
  370
- Functional Description
  371
- Register Summary - CRCSCAN
  374
- Register Description
  374
250 CCL - Configurable Custom Logic

378
- Features
  378
- Overview
  378
- Functional Description
  380
- Register Summary - CCL
  388
- Register Description
  388
27 Analog Comparator (AC)

399
- Features
  399
- Overview
  399
- Functional Description
  400
- Register Summary - AC
  403
- Register Description
  403
28 Analog-To-Digital Converter (ADC)

410
- Features
  410
- Overview
  410
- Functional Description
  413
- Register Summary - Adcn
  421
- Register Description
  421
29 Unified Program and Debug Interface (UPDI)

439
- Features
  439
- Overview
  439
- Functional Description
  441
- Register Summary - UPDI
  461
- Register Description
  461
30 Instruction Set Summary

472
31 Data Sheet Revision History

479
- The Microchip Web Site
  480
- Customer Change Notification Service
  480
- Customer Support
  480
- Product Identification System
  481
- Microchip Devices Code Protection Feature
  481
- Legal Notice
  481
- Trademarks
  482
- Quality Management System Certified by DNV
  482
- Worldwide Sales and Service
  483

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More Microchip Manuals

Microchip ATmega4808 Manuals

Microchip Technology ATmega4808 Manual (483 pages)

Table of Contents

1 Block Diagram

2 Megaavr ® 0-Series Overview

3 Conventions

4 Acronyms and Abbreviations

5 Memories

6 Peripherals and Architecture

7 Avr Cpu

8 Nonvolatile Memory Controller (NVMCTRL)

9 Clock Controller (CLKCTRL)

10 Sleep Controller (SLPCTRL)

11 Reset Controller (RSTCTRL)

12 CPU Interrupt Controller (CPUINT)

13 Event System (EVSYS)

14 Port Multiplexer (PORTMUX)

15 I/O Pin Configuration (PORT)

16 Brown-Out Detector (BOD)

17 Voltage Reference (VREF)

18 Watchdog Timer (WDT)

19 Bit Timer/Counter Type a (TCA)

20 Bit Timer/Counter Type B (TCB)

21 Real-Time Counter (RTC)

22 Universal Synchronous and Asynchronous Receiver and Transmitter (USART)

23 Serial Peripheral Interface (SPI)

24 Two-Wire Interface (TWI)

25 Cyclic Redundancy Check Memory Scan (CRCSCAN)

250 CCL - Configurable Custom Logic

27 Analog Comparator (AC)

28 Analog-To-Digital Converter (ADC)

29 Unified Program and Debug Interface (UPDI)

30 Instruction Set Summary

31 Data Sheet Revision History

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