HT48E06

Rev. 0.00

21

January 12, 2004

Preliminary

EEPROM Data Memory Instruction Set Summary

Instruction

Comments

Start bit

Op Code

Address

Data

READ

Read data

1

10

A6~A0

D7~D0

ERASE

Erase data

1

11

A6~A0

¾

WRITE

Write data

1

01

A6~A0

D7~D0

EWEN

Erase/Write Enable

1

00

11XXXXX

¾

EWDS

Erase/Write Disable

1

00

00XXXXX

¾

ERAL

Erase All

1

00

10XXXXX

¾

WRAL

Write All

1

00

01XXXXX

D7~D0

Note:

²X² stands for ²don¢t care²

Options

The following table shows all kinds of options in the microcontroller. All of the options must be defined to ensure having

a properly functioning system.

Items

Options

1

2

WDT function: enable or disable

3

LVR function: enable or disable

4

CLRWDT instruction: one or two clear WDT instruction(s)

5

System oscillator: RC or crystal

6

Pull-high resistors (PA~PC): none or pull-high

7

BZ function: enable or disable

8

PA0~PA7 wake-up: enable or disable

C S

S K

D O

S t a n d b y

D I

1

( 1 )

B u s y

R e a d y

V e r i f y

0

D X

D 0

0

0

S t a r t b i t

1