8-bit MCU Series (80C51-based)
| Part No. |
W78C054A |
| Datasheet |
 W78C54.pdf |
| Description |
W78C054A provides an enhanced architecture that makes it more powerful and suitable for a variety of applications for general control systems. It provides on-chip 16KB mask ROM to accommodate large program codes, 256-bytes of non-volatile on-chip RAM, four 8-bit I/O ports, one 4-bit I/O port, three 16-bit timer/counters, eight sources with two-level interrupt structures, and on-chip oscillator clock circuits. |
| Features |
- Fully static design
- Supply voltage of 4.5V to 5.5V
- DC-40 MHz operation
- 256 bytes of on-chip scratchpad RAM
- 16K bytes of on-chip mask ROM
- 64K bytes program memory address space
- 64K bytes data memory address space
- Four 8-bit bidirectional ports
- Two 16-bit timer/counters
- One full duplex serial port
- Seven-source, two-level interrupt capability
- One extra 4-bit bit-addressable I/O port
- Two additional external interrupts INT2 / INT3
- Watchdog timer
- EMI reduction mode
- Built-in power management
- Code protection
|
| Diagram |
N/A |
| Package |
DIP40、PLCC44、PQFP44 (Lead-Free RoHS) |
| Other Files |
N/A |
| Development Tools |
N/A |
| Others |
N/A |
|
