W528SXX

- 4 -

BLOCK DIAGRAM

OSC

TIMING

GENERATOR

DATA ROM

TG1

TG2

TG3

LED1

TG4/LED2/STPC

CONTROLLER

COUNTER

REGISTER

STPA

STPB

SYNTHESIZER

ADPCM

CONVERTER

REGISTER

SPK

& SHIFT

SHIFT

D/A

V

V

*TEST1

DD

SS

*TEST2

*TEST3

TEST4

* These pins only exist in W528S15~60.

FUNCTIONAL DESCRIPTION

The W528Sxx family provides up to four direct trigger pins, which can be extended to eight or twelve

matrix trigger inputs, up to three stop signal output pins, an LED section control, and powerful

programmable features. The JUMP and LOAD commands and four programmable registers can be

used to program the desired playing mode, stop output signal form, LED flash type, and trigger pin

interrupt modes.

The chip's programmable features can also be used to develop new, customized functions for a wide

variety of innovative applications.

A. Instruction Set Description

This section describes three types of instructions:

are satisfied.

Instructions are programmed by writing LOAD and JUMP commands into the R0, EN, STOP, and

MODE registers.