用户手册 — IBM MiEM78P468N

目录

• General Description

  1
• Features

  1
• Pin Assignment

  2
• Block Diagram

  3
• Pin Description

  4
• Function Description

  6
• Operational Registers

  6
• R0/IAR (Indirect Addressing Register)

  6
• R1/TCC (Timer Clock Counter)

  6
• R2/PC (Program Counter)

  6
• R3/SR (Status Register)

  8
• R4/RSR (RAM Select Register)

  9
• R5/Port 5 (Port 5 I/O Data and Page of Register Select

  9
• R6/Port 6 (Port 6 I/O Data Register)

  9
• R7/Port 7 (Port 7 I/O Data Register)

  9
• R8/Port 8 (Port 8 I/O Data Register)

  10
• R9/LCDCR (LCD Control Register)

  10
• RA/LCD_ADDR (LCD Address)

  11
• RB/LCD_DB (LCD Data Buffer)

  11
• RC/CNTER (Counter Enable Register)

  11
• RD/SBPCR (System, Booster and PLL Control Register)

  12
• RE/IRCR (IR and Port 5 Setting Control Register)

  13
• RF/ISR (Interrupt Status Register)

  14
• Address: 10h~3Fh; R10~R3F (General Purpose Register)

  14
• Special Purpose Registers

  15
• A (Accumulator)

  15
• IOC60/P6CR (Port 6 I/O Control Register)

  16
• IOC70/P7CR (Port 7 I/O Control Register)

  16
• IOC80/P8CR (Port 8 I/O Control Register)

  16
• IOC90/RAM_ADDR (128 Bytes RAM Address)

  16
• IOCA0/RAM_DB (128 Bytes RAM Data Buffer)

  16
• IOCB0/CNT1PR (Counter 1 Preset Register)

  17
• IOCC0/CNT2PR (Counter 2 Preset Register)

  17
• IOCD0/HPWTPR (High-Pulse Width Timer Preset Register)

  17
• IOCE0/LPWTPR (Low-Pulse Width Timer Preset Register)

  18
• IOCF0/IMR (Interrupt Mask Register)

  18
• IOC71/TCCCR (TCC Control Register)

  19
• IOC81/WDTCR (WDT Control Register)

  20
• IOC91/CNT12CR (Counters 1, 2 Control Register)

  20
• IOCA1/HLPWTCR (High/Low Pulse Width Timer Control Register)

  21
• IOCB1/P6PH (Port 6 Pull-high Control Register)

  22
• IOCC1/P6OD (Port 6 Open Drain Control Register)

  22
• IOCD1/P8PH (Port 8 Pull High Control Register)

  22
• IOCE1/P6PL (Port 6 Pull Low Control Register)

  22
• TCC and WDT Prescaler

  23
• I/O Ports

  25
• Oscillator

  30
• Oscillator Modes

  30
• Phase Lock Loop (PLL Mode)

  30
• Crystal Oscillator/Ceramic Resonators (Crystal)

  31
• RC Oscillator Mode with Internal Capacitor

  32
• Power-on Considerations

  32
• External Power-on Reset Circuit

  33
• Residue-Voltage Protection

  33
• Interrupt

  34
• LCD Driver

  35
• R9/LCDCR (LCD Control Register)

  35
• RA/LCD_ADDR (LCD Address)

  36
• RB/LCD_DB (LCD Data Buffer)

  36
• RD/SBPCR (System, Booster and PLL Control Registers)

  37
• 6.10 Infrared Remote Control Application/PWM Waveform Generate

  41
• 6.11 Code Options

  45
• 6.12 Instruction Set

  46
• 6.13 Timing Diagram

  49
• Absolute Maximum Ratings

  50
• Electrical Characteristic

  51
• DC Electrical Characteristics

  51
• AC Electrical Characteristics

  53
• Device Characteristic

  54
• Application Circuit

  66
• Package Type

  67
• Package Information

  68
• EM78P468L Program Pin List

  71
• ICE 468XA

  72
• Quality Assurance and Reliability

  75
• E.1 Address Trap Detect

  75
• Operational Registers

  6
• Special Purpose Registers

  15
• Power-on Considerations

  32
• Interrupt

  34
• LCD Driver

  35
• 6.10 Infrared Remote Control Application/PWM Waveform Generate

  41
• 6.11 Code Options

  45
• Instruction Set

  46
• Timing Diagram

  49
• 7 Absolute Maximum Ratings

  50
• 8 Electrical Characteristic

  51
• DC Electrical Characteristics

  51
• AC Electrical Characteristics

  53
• Device Characteristic

  54
• Application Circuit

  66
• Package Type

  67
• Package Information

  68
• EM78P468N/L Program Pin List

  71
• ICE 468XA

  72
• Quality Assurance and Reliability

  75
• Address Trap Detect

  75