Description
The W78C58 is a derivative of the W78C52 microcontroller family that provides extended internal ROM.
Features
- DC to 40 MHz extensive operating frequency.
- 256-byte on-chip scratch pad RAM.
- 32K-byte on-chip mask ROM.
- 64K-byte address space for external Program Memory.
- 64K-byte address space for external Data Memory.
- Three 16-bit timer/counters.
- Four 8-bit bit-addressable I/O ports.
- One extra 4-bit bit-addressable I/O port, additonal INT2 / INT3
(Available on 44-pin PLCC/QFP package).
- Eight-source, two priority-level interru.
W78-C58.pdf