HD404818 Series
4-Bit Single-Chip Microcomputer
Preliminary Rev.
2.
0 Sept.
1998 Description
T he H D4 04 81 8 Se ri es of 4-bit single-chip HMCS400 series microcomputers provide high program productivity.
It incorporates a large size memory, LCD controller/driver,
voltage comparator, and 32-kHz watch oscillator circuit.
The HD404818 Series has both standard
voltage versions and low
voltage versions available.
The standard
voltage versions operate at 4.
0 V to 6.
0 V (mask ROM version) and 4.
0 V to 5.
5 V (PROM version), while the low
voltage versions operate at 2.
7 V to 6.
0 V (mask ROM) and 3.
0 V to 5.
5 V (PROM).
Low
voltage versions include an L in their product name.
Standard
voltage version...