Hynix Semiconductor GMS81508A Manuals

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Hynix Semiconductor GMS81508A User Manual

Hynix Semiconductor GMS81508A User Manual (91 pages)

Brand: Hynix Semiconductor | Category: Computer Hardware | Size: 0 MB

Table of Contents

Table of Contents
2
1 Overview

4
- Features
  4
- Block Diagram
  5
- Pin Assignment
  6
- Package Dimension
  8
- Pin Description
  10
2 Functions

12
- Registers
  12
  - A - Register
    13
  - X- Register
    13
  - Y- Register
    13
  - Stack Pointer
    13
  - Program Counter
    15
  - Program Status Word
    15
- Memory Space
  17
  - RAM Area
    17
  - Peripheral Register Area
    17
  - Program ROM Area
    17
  - Peripheral Register List
    19
- Clock Generation Circuit
  21
  - Oscillation Circuit
    21
  - Prescaler
    22
- Basic Interval Timer
  23
  - Control of Basic Interval Timer
    23
- Watch Dog Timer
  24
  - Control of Watch Dog Timer
    24
  - The Output of WDT Signal
    25
- Timer
  26
  - Control of Timer
    28
  - Interval Timer
    29
  - Event Counter
    29
  - Pulse Output
    29
  - Input Capture
    29
- External Interrupt
  31
- A/D Converter
  32
  - Control of A/D Converter
    32
- Serial I/O
  34
- Pwm
  38
  - Controls of PWM
    38
- Buzzer Driver
  40
  - Buzzer Driver Operation
    41
- Interrupts
  42
  - Interrupt Circuit Configuration and Kinds
    42
  - Interrupt Control
    43
  - Interrupt Priority
    44
  - Interrupt Sequence
    45
  - Software Interrupt
    46
  - Multiple Interrupt
    47
- Standby Function
  49
  - STOP Mode
    50
  - STOP Mode Release
    50
- Reset Function
  52
3 I/O Ports

53
- R0 Port
  53
- R1 Port
  54
- R2 Port
  55
- R3 Port
  56
- R4 Port
  57
- R5 Port
  58
- R6 Port
  59
- Terminal Types
  61
4 Electrical Characteristics

65
- Aboulute Maximum Ratings
  65
- Recommended Operating Conditions
  65
- A/D Converter Characteristics
  65
- DC Characteristics
  66
- Ac Characteristics
  67
  - Input Conditions
    67
  - Serial Transfer
    68
  - Microprocessor Mode I/O Timing
    69
  - Bus Holding Timing
    70
5 Instruction Set

71

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