MDT90P01 Datasheet, PDF (7/11 Pages) Micon Design Technology Corporation – 4-bit micro-controller

MDT90P01
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
000-1FF
000
Description
Program memory
The starting address of power on , pin change or WDT time-out reset.
9. Reset Condition for all Registers
Register
RTCCL
PC
STATUSL
STATUSH
PORT B
RTCCH
Address
01h
02h
03h
04h
06h
07h
Power-On Reset
xxxx
0000
1xx1
0000
xxxx
xxxx
WDT Reset
uuuu
0000
#uu#
0000
uuuu
uuuu
Note : u＝unchanged, x＝unknown, - ＝unimplemented, read as “0”
#＝value depends on the condition of the following table
Condition
WDT reset (not during SLEEP)
WDT reset during SLEEP
Wake-up from SLEEP on pin change
STATUSH: bit 3 STATUSL: bit 3
0
1
0
0
1
0
STATUSL: bit 0
0
0
1
This specification is subject to be changed without notice. Please visit our web site for the most updated information.
http://www.mdtic.com.tw
P. 7
2008/5 Ver. 1.0