Preliminary W583XXX

Publication Release Date: March 1999

- 5 -

Revision A1

Register Definition And Control

The register file of the W583xxx family is composed of 14 registers, including 8 general purpose

registers and 6 special purpose registers.

They are defined to facilitate the operations for various purposes. The default setting values of the

registers are given in the following table.

REGISTER

NAME

DEFAULT SETTING

General Register

R0-R7

00100000B

EN0, EN1

11111111B

Special Register

MODE0, MODE1

11111111B

STOP

11111111B

PAGE

00000000B

Note: EN1 register and bits 5-7 of STOP register are not provided in W583S10.

1. MODE0 Register

BIT

DESCRIPTION

DEFINITION

7

LED mode

1: Flash

0: DC

6

LED2/STPC

1: LED2 output

pin selection

0: STPC output

5

IR output source

1: Hardware control IR output

0: STPC control IR output

4

Debounce time

1: Long

0: Short

3, 1, 0

Reserved

-

2

STPA/BUSY

1: STPA output

pin selection

0: BUSY output

MODE0.7 controls the output type of LED1 (and LED2) pin. MODE0.6 controls the configuration of

LED2/STPC pin. MODE0.5 controls the output source of IR. If hardware control IR output is selected,

IR output can have signal with carrier or without carrier which is selected by MODE1.0. MODE0.4

controls the trigger pin debounce time. MODE0.2 controls the behavior of the STPA/BUSY pin which

is usually used as Busy signal in CPU mode.