The µPD78C14(A) is a single-chip, CMOS 8-bit microcontroller in which a 16-bit ALU, a ROM, a RAM, an A/D converter, a multifunction timer/event counter, and a serial interface are all integrated. Moreover, a 48-Kbyte external expansion memory (ROM/RAM) can be connected.
Since the µPD78C14(A) uses the CMOS construction, its operations are performed with low power consumption. By using the standby function, functions such as data retention are performed with lower power consumption.

FEATURES
○ High reliability as compared with µPD78C14
○ 159 instructions: 87AD instruction set
                           Multiply and divide instructions, 16-bit arithmetic operation instructions
○ Instruction cycle: 0.8 µs at 15 MHz
○ Internal ROM: 16384 W x 8
○ Internal RAM: 256 W x 8
○ Direct addressing to an external memory (ROM/RAM) up to 64 Kbytes
○ Highly accurate 8-bit A/D converter: Eight analog inputs
○ General-purpose serial interface: Asynchronous, synchronous, and I/O interface modes
○ Multifunction 16-bit timer/event counter
○ Two 8-bit timers
○ I/O lines: 44
○ Interrupt functions: Three external, eight internal
   • Non-maskable interrupt: 1
   • Maskable interrupts: 10
○ Zero-cross detection function (two inputs)
○ Standby functions: HALT mode, Hardware/software STOP mode