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M34556G8FP
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DataSheet
General Description

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MFG:MIT Package Cooled:SMD D/C:2004

M34 Series Datasheet download

Five Points

Part Number: M34556G8FP

MFG: MIT

Package Cooled: SMD

D/C: 2004

Description: The 4556 Group is a 4-bit single-chip microcomputer designed with CMOS technology. Its CPU is that of the 4500 series u...

M34556G8FP 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.

M34556G8FP Maximum Ratings

Symbol	Parameter	Conditions	Ratings	Unit
V_DD	Supply voltage		0.3 to 6.5	V
V_I	Input voltage P0, P1, P2, D₀D₅, RESET, INT, XIN, XCIN		0.3 to V_DD+0.3	V
V_I	Input voltage CNTR		0.3 to V_DD+0.3	V
V_O	Output voltage P0, P1, P2, D₀D₇, RESET, CNTR	Output transistors in cut-off state	0.3 to V_DD+0.3	V
V_O	Output voltage C, X_OUT, X_COUT		0.3 to V_DD+0.3	V
V_O	Output voltage SEG₀SEG₂₈, COM₀COM₃		0.3 to V_DD+0.3	V
P_d	Power dissipation	Ta = 25 °C	300	mW
T_opr	Operating temperature range		20 to 85	°C
T_stg	Storage temperature range		40 to 125	°C

Note: SEG₁₁ to SEG₁₆ pins are not equipped with the 4556 Group.

M34556G8FP 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)

M34556G8FP Typical Application

Remote control transmitter

M34556G8FP Connection Diagram

M34556G8FP datasheet

M34116
PDF/DataSheet Download

Datasheet: M34116
File Size: 383108 KB
Manufacturer: STMICROELECTRONICS [STMicroelectronics]
Click here to Download

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