M38857M8-XXXHP Overview
Description
The 3885 group is the 8-bit microcomputer based on the 740 family core technology. The 3885 group is designed for Keyboard Controller for the note book PC.
Key Features
- <Microcomputer mode> qBasic machine-language instructions
- 71 qMinimum instruction execution time
- 0.5 µs (at 8 MHz oscillation frequency) qMemory size ROM
- 32K to 60K bytes RAM
- 1024 to 2048 bytes qProgrammable input/output ports
- 72 qSoftware pull-up transistors
- 22 sources, 16 vectors qTimers
- 8-bit ✕ 4 qWatchdog timer
- 16-bit ✕ 1 qPWM output
- 14-bit ✕ 2 qSerial I/O
