The LC66P5316 is an on-chip OTP PROM version of the LC6653XX Series CMOS 4-bit single-chip micro- controllers. The LC66P5316 is appropriate for program development and product evaluation since it provides identical functionality and pin compatibility with the LC665316A.
The LC66P5316 is an on‑chip OTP PROM version of Sanyo's LC6653XX series, offering full compatibility with the LC665316A and a 128‑instruction set. It targets program development, product evaluation and prototype work, providing a range of configurable I/O, timer, and interrupt options.
The document details pin assignments, package options (DIP48S and QFP48E), usage notes for reset sequencing, optional features such as watchdog timer and sub‑oscillator, and a comparison with mask‑ROM versions. It also includes a disclaimer on intended applications and liability.
| OTP ROM capacity | 16 KB |
|---|---|
| RAM capacity | 512 × 4 bits |
| I/O pins | 42 |
| Instruction set | 128 instructions |
| Interrupt sources | 8 interrupt factors, 8 vectors |
| Package options | DIP48S, QFP48E |
| Current drain (typical) | 10 nA |
The device includes 16 KB of on‑chip OTP ROM.
It provides 42 I/O pins.
The LC66P5316 is offered in DIP48S and QFP48E packages.