MDT10P257 Datasheet, PDF (7/18 Pages) Micon Design Technology Corporation – 8-bit micro-controlle

MDT10P257
Software WDT
Description
Enable
WDT can be enabled by software
Disable
WDT can’t be enabled by software
Freq x 2
Enable
Disable
Description
System clock is doubled
System clock is the oscillation frequency
I/O pull-hi
Enable
Disable
Description
Allow software to enable independent I/O pin
pull-high
Disable all pull-high resistors
CLKOUT
Enable
Disable
Description
Allow OSC2 to output CLKOUT signal
OSC2 will be floating
Reset on Err
Enable
Disable
Description
The MCU will be reset if two illegal instructions are
executed continuously.
Disable the illegal instruction reset function
8. Reset Condition for all Registers
Register
CPIO A
CPIO B
CPIO C
TMR
IAR
RTCC
PC
STATUS
MSR
PORT A
PORT B
PORT C
Address
－－
－－
－－
－－
00h
01h
02h
03h
04h
05h
06h
07h
Power-On Reset
1111 1111
1111 1111
1111 1111
1111 1111
－
xxxx xxxx
1111 1111
0001 1xxx
100x xxxx
- - - - xxxx
xxxx xxxx
xxxx xxxx
/MCLR or WDT Reset
1111 1111
1111 1111
1111 1111
1111 1111
－
uuuu uuuu
1111 1111
000# #uuu
100u uuuu
- - - - uuuu
uuuu uuuu
uuuu uuuu
Note : u = unchanged, x = unknown, - = unimplemented, read as “0”
# = value depends on the condition of the following table
This specification are subject to be changed without notice. Any latest information please visit our web site
(http;//www.mdtic.com.tw) for detail
P. 7
2011/02 VER 1.1