Description
The HD404639R Series is a member of the HMCS400-series microcomputers designed to increase program productivity with large-capacity memory..
Features
- 8,192-word × 10-bit ROM (HD404638R, HD40A4638R).
- 16,384-word × 10-bit ROM (HD404639R, HD40A4639R, HD407A4639R).
- 1,152-digit × 4-bit RAM.
- 61 I/O pins and 7 dedicated input pins 12 high-current output pins: Eight 15-mA sinks (a maximum of 7 pins can be used at the same time) and four 10-mA sources.
- Four timer/counters.
- Eight-bit input capture circuit.
- Three timer outputs (including two PWM outputs).
- Two event counter inputs.
