MDT2005(IB)
(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
RC
Oscillator
Oscillator Start-up Time
150
µs,20ms,40ms,80ms
20 ms,40ms,80ms
20ms,40 ms,80ms
40 ms,80 ms
HFXT Oscillator
XTAL Oscillator
LFXT Oscillator
Watchdog Timer control
Watchdog timer disable all the time
Watchdog timer enable all the time
Power Edge Detect
PED
Disable
Security bit
Security weak Disable
Security Disable
Security Enable
PED 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
000-1FF
1FF
Description
Program memory for MDT2005
The starting address of the power on, external reset
or WDT for MDT2005
This specification are subject to be changed without notice. Any latest information please preview
http;//www.mdtic.com.tw
P. 4
2005/6 VER1.3
MDTIC [ Micon Design Technology Corporation ]
