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 registers), a 16bit timer for clock count, interrupts, and oscillation circuit switch function. The various microcomp.
qMinimum instruction execution time Mask ROM version ...... 0.5 µs (at 6 MHz oscillation frequency, in high-speed through-mode) One Time PROM version .. 0.68 µs (at 4.4 MHz oscillation frequency, in high-speed through-mode) qSupply voltage Mask ROM version ..... 1.8 to 5.5 V One Time PROM version ... 1.8 to 3.6 V (It depends on operation source clock, oscillation frequency and operation mode) q Timer.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | M34556M4H-XXXFP |
Renesas |
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER | |
2 | M34556M8-XXXFP |
Renesas |
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER | |
3 | M34556M8H-XXXFP |
Renesas |
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER | |
4 | M34556G8FP |
Renesas |
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER | |
5 | M34556G8HFP |
Renesas |
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER | |
6 | M34551 |
Mitsubishi |
4-BIT SINGLE-CHIP MICROCOMPUTER | |
7 | M34551E8 |
Mitsubishi |
4-BIT SINGLE-CHIP MICROCOMPUTER | |
8 | M34551M4 |
Mitsubishi |
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER | |
9 | M34551M8 |
Mitsubishi |
4-BIT SINGLE-CHIP MICROCOMPUTER | |
10 | M34552 |
Renesas Technology |
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER | |
11 | M34553T-PTCA |
Renesas Technology |
50-pin Narrow-Pitch Connector Converter Board | |
12 | M34559G6 |
Renesas |
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |