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MDT2005
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P. 5
VER1.1
(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