MDT2005(IB)

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P. 4

2005/6 VER1.3

(9) CPIO A, CPIO B (Control Port I/O Mode Register)

The CPIO register is “write-only”

＝“0”, I/O pin in output mode;

＝“1”, I/O pin in input mode.

(10) EPROM Option by writer programming :

Oscillator Type

Oscillator Start-up Time

RC

Oscillator

150

µs,20ms,40ms,80ms

HFXT Oscillator

20 ms,40ms,80ms

XTAL Oscillator

20ms,40 ms,80ms

LFXT Oscillator

40 ms,80 ms

Watchdog Timer control

Watchdog timer disable all the time

Watchdog timer enable all the time

Power Edge Detect

Security bit

PED

Disable

Security weak Disable

PED

Enable

Security Disable

Security Enable

The default EPROM security is weak disable. Once the IC was set in enable or disable, it’s

forbidden to set in disable or enable again.

(B) Program Memory

Address

Description

000-1FF

Program memory for MDT2005

1FF

The starting address of the power on, external reset

or WDT for MDT2005