IBM EM78P312N User Manuals

Table of Contents

• General Description

  1
• Features

  1
• Pin Assignment

  1
• Pin Description

  2
• Function Description

  3
• Functional Block Diagram

  3
• Operating Registers

  4
• Special Purpose Registers

  19
• CPU Operation Mode

  23
• AD Converter

  24
• Time Base Timer and Keytone Generator

  26
• UART (Universal Asynchronous Receiver/Transmitter)

  28
• UART Mode

  29
• Transmitting

  29
• Receiving

  30
• Baud Rate Generator

  30
• SPI (Serial Peripheral Interface)

  31
• Serial Clock

  32
• Shift Direction and Sample Phase

  32
• Transfer Mode

  32
• Timer/Counter 2

  35
• Timer Mode

  36
• Counter Mode

  36
• Window Mode

  36
• 5.10 Timer/Counter 3

  37
• 5.10.1 Timer Mode

  38
• 5.10.2 Counter Mode

  38
• 5.10.3 Capture Mode

  38
• 5.11 Timer/Counter 4

  39
• Timer Mode

  40
• Counter Mode

  40
• PDO Mode

  40
• PWM Mode

  41
• 5.12 TCC/WDT & Prescaler

  41
• 5.13 I/O Ports

  42
• 5.14 Reset and Wake-up

  42
• Reset

  42
• Wake-up from Sleep Mode

  43
• Wake-up from Idle Mode

  43
• The Status of RST, T, and P of the Status Register

  48
• 5.15 Interrupt

  49
• 5.16 Oscillator

  50
• 5.16.1 Oscillator Modes

  50
• 5.16.2 Crystal Oscillator/Ceramic Resonators (Crystal)

  50
• 5.16.3 External RC Oscillator Mode

  52
• 5.17 Code Option Register

  53
• 5.17.1 Code Option Register (Word 0)

  53
• 5.17.2 Customer ID Register

  54
• 5.18 Power-on Considerations

  54
• 5.18.1 External Power-on Reset Circuit

  54
• 5.18.2 Residue-Voltage Protection

  55
• 5.19 Instruction Set

  56
• Absolute Maximum Ratings

  58
• Absolute Maximum Ratings

  58
• 6.2 Recommended Operating Conditions

  58
• Electrical Characteristics

  59
• DC Electrical Characteristics

  59
• AC Electrical Characteristic

  62
• Timing Diagram

  63
• Package Type:

  64