MDT90P01

This specification is subject to be changed without notice. Please visit our web site for the most updated information.

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P. 7

2009/6 Ver. 1.1

Watchdog Timer control

Watchdog timer disable all the time

Watchdog timer enable all the time

Power Edge Detect

PED Disable

PED Enable

Security state

Security Disable

Security Enable

The default security state of EPROM is weak disable. Once the IC was set to

enable or disable, it’s forbidden to change.

(B) Program Memory

Address

Description

000-1FF

Program memory

000

The starting address of power on , pin change or WDT time-out reset.

9. Reset Condition for all Registers

Register

Address

Power-On Reset

WDT Reset

CPIOB

- -

1111

1111

TMRH

- -

1111

1111

TMRL

- -

1111

1111

RTCCL

01h

xxxx

uuuu

PC

02h

0000

0000

STATUSL

03h

1xx1

#uu#

STATUSH

04h

0000

0000

IODS

05h

0000

0000

PORT B

06h

xxxx

uuuu

RTCCH

07h

xxxx

uuuu

Note : u＝unchanged, x＝unknown, - ＝unimplemented, read as “0”

#＝value depends on the condition of the following table