Supply voltage:
- Standard products, (A) grade products: VDD = 1.8 to 5.5 V
- (A2) grade products: VDD = 2.7 to 5.5 V
Max. frequency: 20 MHz
ROM capacities: 8 KB to 32 KB flash memory
RAM capacities: 512 bytes to 1 KB
30-pin plastic SSOP and 36-pin plastic FLGA package
Minimum instruction execution time can be changed from high speed (0.1 µs: @ 20 MHz operation with highspeedsystem clock) to ultra low-speed (122 µs: @ 32.768 kHz operation with subsystem clock)
General-purpose register: 8 bits x 32 registers (8 bits x 8 registers x 4 banks)
On-chip single-power-supply flash memory
Self-programming (with boot swap function)
On-chip debug function (µPD78F050xD and µPD78F050xDA only)
On-chip power-on-clear (POC) circuit and low-voltage detector (LVI)
On-chip multiplier/divider (16 bits x 16 bits, 32 bits/16 bits)
Key interrupt function
Clock output/buzzer output controller
I/O ports: 23 / N-ch open drain (6 V tolerance): 2
