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Part Number: M34556M8
Description: The 4556 Group is a 4-bit single-chip microcomputer designed with CMOS technology. Its CPU is that of the 4500 series u...
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M34556M8
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DataSheet
General Description
M34556M8 General Description
The 4556 Group is a 4-bit single-chip microcomputer designed with CMOS technology. Its CPU is that of the 4500 series using a simple, high-speed instruction set. The computer is equipped with two 8-bit timers (each timer has one or two reload register), a 16-bit timer for clock count, interrupts, and oscillation circuit switch function. The various microcomputers in the 4556 Group include variations of the built-in memory size as shown in the table below.
M34556M8 Maximum Ratings
| Symbol | Parameter | Conditions | Ratings | Unit |
| VDD | Supply voltage | 0.3 to 6.5 | V | |
| VI | Input voltage P0, P1, P2, D0D5, RESET, INT, XIN, XCIN | 0.3 to VDD+0.3 | V | |
| VI | Input voltage CNTR | 0.3 to VDD+0.3 | V | |
| VO | Output voltage P0, P1, P2, D0D7, RESET, CNTR | Output transistors in cut-off state | 0.3 to VDD+0.3 | V |
| VO | Output voltage C, XOUT, XCOUT | 0.3 to VDD+0.3 | V | |
| VO | Output voltage SEG0SEG28, COM0COM3 | 0.3 to VDD+0.3 | V | |
| Pd | Power dissipation | Ta = 25 °C | 300 | mW |
| Topr | Operating temperature range | 20 to 85 | °C | |
| Tstg | Storage temperature range | 40 to 125 | °C |
M34556M8 Features
Minimum instruction execution time .................................. 0.5 s (at 6 MHz oscillation frequency, in through-mode)
Supply voltage
Mask ROM version ...................................................... 1.8 to 5.5 V
One Time PROM version ............................................. 2.5 to 5.5 V (It depends on operation source clock, oscillation frequency and operation mode)
Timers
Timer 1 ...................................... 8-bit timer with a reload register
Timer 2 ................................. 8-bit timer with two reload registers
Timer 3 .............................. 16-bit timer (fixed dividing frequency)
Interrupt ........................................................................ 4 sources
Key-on wakeup function pins ..................................................... 9
LCD control circuit
Segment output ........................................................................ 23
Common output .......................................................................... 4
Voltage drop detection circuit (only H version)
Reset occurrence .................................... Typ. 1.8 V (Ta = 25 °C)
Reset release .......................................... Typ. 1.9 V (Ta = 25 °C)
Watchdog timer
Clock generating circuit
Built-in clock (built-in ring oscillator)
Main clock (ceramic resonator/RC oscillation)
Sub-clock (quartz-crystal oscillation)
LED drive directly enabled (port D)
Supply voltage
Mask ROM version ...................................................... 1.8 to 5.5 V
One Time PROM version ............................................. 2.5 to 5.5 V (It depends on operation source clock, oscillation frequency and operation mode)
Timers
Timer 1 ...................................... 8-bit timer with a reload register
Timer 2 ................................. 8-bit timer with two reload registers
Timer 3 .............................. 16-bit timer (fixed dividing frequency)
Interrupt ........................................................................ 4 sources
Key-on wakeup function pins ..................................................... 9
LCD control circuit
Segment output ........................................................................ 23
Common output .......................................................................... 4
Voltage drop detection circuit (only H version)
Reset occurrence .................................... Typ. 1.8 V (Ta = 25 °C)
Reset release .......................................... Typ. 1.9 V (Ta = 25 °C)
Watchdog timer
Clock generating circuit
Built-in clock (built-in ring oscillator)
Main clock (ceramic resonator/RC oscillation)
Sub-clock (quartz-crystal oscillation)
LED drive directly enabled (port D)
M34556M8 Typical Application
Remote control transmitter
M34556M8 Connection Diagram
M34116
PDF/DataSheet Download
- Datasheet: M34116
- File Size: 383108 KB
- Manufacturer: STMICROELECTRONICS [STMicroelectronics]
- Click here to Download
- ·M34116B1
- STMICROELECTRONICS [STMicroelectronics]
- PCM CONFERENCE CALL AND TONE GENERATION CIRCUIT
- 383108 KB
- ·M34116C1
- STMICROELECTRONICS [STMicroelectronics]
- PCM CONFERENCE CALL AND TONE GENERATION CIRCUIT
- 383108 KB
- ·M34225M1
- MITSUBISHI [Mitsubishi Electric Semiconductor]
- SINGLE-CHIP 4-BIT CMOS MICRCOMPUTERl
- 1630519 KB
- ·M34225M1-XXXFP
- MITSUBISHI [Mitsubishi Electric Semiconductor]
- SINGLE-CHIP 4-BIT CMOS MICRCOMPUTERl
- 1630519 KB
- ·M34225M1-XXXSP
- MITSUBISHI [Mitsubishi Electric Semiconductor]
- SINGLE-CHIP 4-BIT CMOS MICRCOMPUTERl
- 1630519 KB
- ·M34225M2-XXXFP
- MITSUBISHI [Mitsubishi Electric Semiconductor]
- SINGLE-CHIP 4-BIT CMOS MICRCOMPUTERl
- 1630519 KB
- ·M34225M2-XXXSP
- MITSUBISHI [Mitsubishi Electric Semiconductor]
- SINGLE-CHIP 4-BIT CMOS MICRCOMPUTERl
- 1630519 KB
- ·M34250E2FP
- MITSUBISHI [Mitsubishi Electric Semiconductor]
- SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
- 339415 KB
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