Document Outline

• 1 OUTLINE
  • 1.1 Features
  • 1.2 Block Diagram
  • 1.3 Pin Layout Diagram
  • 1.4 Pin Description
  • 1.5 Mask Option
• 2 POWER SUPPLY AND INITIAL RESET
  • 2.1 Power Supply
    • 2.1.1 Voltage <VD1> for oscillation circuit and internal circuits
    • 2.1.2 Voltage <VC1–VC5> for LCD driving
  • 2.2 Initial Reset
    • 2.2.1 Reset terminal (RESET)
    • 2.2.2 Simultaneous low input to terminals K00–K03
    • 2.2.3 Internal register at initial resetting
    • 2.2.4 Terminal settings at initial resetting
  • 2.3 Test Terminal (TEST)
• 3 CPU, ROM, RAM
  • 3.1 CPU
  • 3.2 Code ROM
  • 3.3 RAM
  • 3.4 Data ROM
• 4 PERIPHERAL CIRCUITS AND OPERATION
  • 4.1 Memory Map
  • 4.2 Watchdog Timer
    • 4.2.1 Configuration of watchdog timer
    • 4.2.2 Interrupt function
    • 4.2.3 I/O memory of watchdog timer
    • 4.2.4 Programming notes
  • 4.3 Oscillation Circuit
    • 4.3.1 Configuration of oscillation circuit
    • 4.3.2 OSC1 oscillation circuit
    • 4.3.3 OSC3 oscillation circuit
    • 4.3.4 Switching the CPU operating clock
    • 4.3.5 Clock frequency and instruction execution time
    • 4.3.6 I/O memory of oscillation circuit
    • 4.3.7 Programming notes
  • 4.4 Input Ports (K00–K03 and K10–K13)
    • 4.4.1 Configuration of input ports
    • 4.4.2 Interrupt function
    • 4.4.3 Mask option
    • 4.4.4 I/O memory of input ports
    • 4.4.5 Programming notes
  • 4.5 Output Ports (R00–R03, R10–R13 and R20–R23)
    • 4.5.1 Configuration of output ports
    • 4.5.2 Mask option
    • 4.5.3 High impedance control
    • 4.5.4 Special output
    • 4.5.5 I/O memory of output ports
    • 4.5.6 Programming notes
  • 4.6 I/O Ports (P00–P03, P10–P13, P20–P23 and P30–P33)
    • 4.6.1 Configuration of I/O ports
    • 4.6.2 Mask option
    • 4.6.3 I/O control registers and input/output mode
    • 4.6.4 Pull-up during input mode
    • 4.6.5 Special outputs (CL, FR)
    • 4.6.6 I/O memory of I/O ports
    • 4.6.7 Programming notes
  • 4.7 LCD Driver (COM0–COM16, SEG0–SEG39)
    • 4.7.1 Configuration of LCD driver
    • 4.7.2 Mask option
    • 4.7.3 Power supply for LCD driving
    • 4.7.4 LCD display control (ON/OFF) and switching of duty
    • 4.7.5 Display memory
    • 4.7.6 LCD contrast adjustment
    • 4.7.7 I/O memory of LCD driver
    • 4.7.8 Programming notes
  • 4.8 Clock Timer
    • 4.8.1 Configuration of clock timer
    • 4.8.2 Data reading and hold function
    • 4.8.3 Interrupt function
    • 4.8.4 I/O memory of clock timer
    • 4.8.5 Programming notes
  • 4.9 Stopwatch Timer
    • 4.9.1 Configuration of stopwatch timer
    • 4.9.2 Count-up pattern
    • 4.9.3 Interrupt function
    • 4.9.4 I/O memory of stopwatch timer
    • 4.9.5 Programming notes
  • 4.10 Programmable Timer
    • 4.10.1 Configuration of programmable timer
    • 4.10.2 Setting of initial value and counting down
    • 4.10.3 Counter mode
    • 4.10.4 Setting of input clock in timer mode
    • 4.10.5 Interrupt function
    • 4.10.6 Setting of TOUT output
    • 4.10.7 Transfer rate setting for serial interface
    • 4.10.8 I/O memory of programmable timer
    • 4.10.9 Programming notes
  • 4.11 Serial Interface
    • 4.11.1 Configuration of serial interface
    • 4.11.2 Mask option
    • 4.11.3 Transfer modes
    • 4.11.4 Clock source
    • 4.11.5 Transmit-receive control
    • 4.11.6 Operation of clock synchronous transfer
    • 4.11.7 Operation of asynchronous transfer
    • 4.11.8 Interrupt function
    • 4.11.9 I/O memory of serial interface
    • 4.11.10 Programming notes
  • 4.12 Sound Generator
    • 4.12.1 Configuration of sound generator
    • 4.12.2 Buzzer output circuit
    • 4.12.3 Control of buzzer output
    • 4.12.4 Setting of buzzer frequency and sound level
    • 4.12.5 Digital envelope
    • 4.12.6 One-shot output
    • 4.12.7 I/O memory of sound generator
    • 4.12.8 Programming notes
  • 4.13 SVD (Supply Voltage Detection) Circuit
    • 4.13.1 Configuration of SVD circuit
    • 4.13.2 Mask option
    • 4.13.3 SVD operation
    • 4.13.4 I/O memory of SVD circuit
    • 4.13.5 Programming notes
  • 4.14 Telephone Function (Tone/Pulse Dialer)
    • 4.14.1 Configuration of tone/pulse dialer
    • 4.14.2 Mask option
    • 4.14.3 Operation of telephone function
    • 4.14.4 Tone mode (DTMF)
    • 4.14.5 Pulse mode (DP)
    • 4.14.6 Pause
    • 4.14.7 Flash
    • 4.14.8 Hold-line
    • 4.14.9 Interrupt
    • 4.14.10 I/O memory of telephone function
    • 4.14.11 Programming notes
  • 4.15 FSK Demodulator
    • 4.15.1 Configuration of FSK demodulator
    • 4.15.2 Mask option
    • 4.15.3 Ring/carrier detection and interrupt
    • 4.15.4 Inputting FSK data
    • 4.15.5 I/O memory of FSK demodulator
    • 4.15.6 Programming notes
  • 4.16 Interrupt and HALT
    • 4.16.1 Interrupt factor
    • 4.16.2 Interrupt mask
    • 4.16.3 Interrupt vector
    • 4.16.4 I/O memory of interrupt
    • 4.16.5 Programming notes
• 5 SUMMARY OF NOTES
  • 5.1 Notes for Low Current Consumption
  • 5.2 Summary of Notes by Function
  • 5.3 Precautions on Mounting
• 6 BASIC EXTERNAL WIRING DIAGRAM
• 7 ELECTRICAL CHARACTERISTICS
  • 7.1 Absolute Maximum Rating
  • 7.2 Recommended Operating Conditions
  • 7.3 DC Characteristics
  • 7.4 Analog Circuit Characteristics and Power Current Consumption
  • 7.5 Oscillation Characteristics
  • 7.6 Serial Interface (1), (2) AC Characteristics
  • 7.7 FSK Demodulator Characteristics
  • 7.8 Telephone Function Characteristics
  • 7.9 Timing Chart
  • 7.10 Characteristic Curves (reference value)
• 8 PACKAGE
  • 8.1 Plastic Package
  • 8.2 Ceramic Package for Test Samples
• 9 PAD LAYOUT
  • 9.1 Diagram of Pad Layout
  • 9.2 Pad Coordinates