User Manuals: Amtel AT89C51RC2 8-bit Microcontroller

Manuals and User Guides for Amtel AT89C51RC2 8-bit Microcontroller. We have 1 Amtel AT89C51RC2 8-bit Microcontroller manual available for free PDF download: Datasheet

Amtel AT89C51RC2 Datasheet

Amtel AT89C51RC2 Datasheet (127 pages)

8-bit Microcontroller with 16K/32K Bytes Flash

Brand: Amtel | Category: Microcontrollers | Size: 1 MB

Table of Contents

Features

1
Description

1
Block Diagram

3
SFR Mapping

4
Pin Configurations

9
Port Types

13
Oscillator

14
- Registers
  14
- Functional Block Diagram
  15
Enhanced Features

16
- X2 Feature
  16
Dual Data Pointer Register (DPTR)

20
Expanded RAM (XRAM)

23
- Registers
  25
Timer 2

26
- Auto-Reload Mode
  26
- Programmable Clock-Out Mode
  27
- Registers
  29
Programmable Counter Array (PCA)

31
- Registers
  33
- PCA Capture Mode
  39
- 16-Bit Software Timer/Compare Mode
  40
- High-Speed Output Mode
  41
- Pulse Width Modulator Mode
  42
- PCA Watchdog Timer
  42
Serial I/O Port

44
- Framing Error Detection
  44
- Automatic Address Recognition
  45
  - Registers
    47
  - Baud Rate Selection for UART for Mode 1 and 3
    47
  - UART Registers
    50
- Interrupt System
  
  55
  - Registers
    56
  - Interrupt Sources and Vector Addresses
    63
- Keyboard Interface
  
  64
  - Registers
    65
- Serial Port Interface (SPI)
  
  68
  - Features
    68
  - Signal Description
    68
  - Functional Description
    70
- Hardware Watchdog Timer
  
  77
  - Using the WDT
    77
  - WDT During Power-Down and Idle
    78
- ONCE Mode (on Chip Emulation)
  
  79
- Power Management
  
  80
  - Reset
    80
  - Reset Recommendation to Prevent Flash Corruption
    82
  - Idle Mode
    82
  - Power-Down Mode
    82
- Power-Off Flag
  
  84
- Reduced EMI Mode
  
  85
- Flash EEPROM Memory
  
  86
  - Features
    86
  - Flash Programming and Erasure
    86
  - Flash Registers and Memory Map
    87
  - Flash Memory Status
    90
  - Memory Organization
    90
  - Bootloader Architecture
    91
  - ISP Protocol Description
    95
  - Functional Description
    96
  - Flow Description
    97
  - API Call Description
    105
- Electrical Characteristics
  
  107
  - Absolute Maximum Ratings
    107
  - DC Parameters for Standard Voltage
    107
  - DC Parameters for Low Voltage
    109
  - AC Parameters
    111
- Ordering Information
  
  119
- Package Information
  
  120
  - Pdil40
    120
  - Vqfp44
    121
  - Plc44
    122
- Datasheet Change Log
  
  123
  - Changes from 4180A-08/02 to 4180B-04/03
    123
  - Changes from 4180B-04/03 to 4180C-12/03
    123

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