MDT10P41A1 Datasheet, PDF (5/11 Pages) Micon Design Technology Corporation – 8-bit Micro-controller

MDT10P41A1
(8) EPROM Option by writer programming :
Security bit
Weak Disable
Disable
Enable
The default EPROM security is weak disable.
8. Reset Condition for all Registers
Register
Address
Power-On Reset
CPIO A
1111 1111
CPIO B
1111 1111
IAR
00h
PC
02h
1111 1111
STATUS
03h
0001 1xxx
MSR
04h
111x xxxx
PORT A
05h
- 111 xxxx
PORT B
06h
xxxx xxxx
Note : “ x “ unknown, “ – “ unimplemented, read as “0”
9. Instruction Set
Instruction Code
010000 00000000
010000 00000010
Mnemonic
Operands
NOP
SLEEP
Function
No operation
Sleep mode
010000 00000100
010000 00000rrr
010001 1rrrrrrr
011000 trrrrrrr
111010 iiiiiiii
010111 trrrrrrr
RET
CPIO R
STWR R
LDR R, t
LDWI I
SWAPR R, t
Return
Control I/O port register
Store W to register
Load register
Load immediate to W
Swap halves register
011001 trrrrrrr
INCR R, t
Increment register
Operating
None
0 WT,
stop OSC
Stack PC
W CPIO r
WR
Rt
IW
[R(0~3) ↔
R(4~7)] t
R+1 t
Status
TF, PF
None
None
None
Z
None
None
Z
This specification is subject to be changed without notice. Please visit our web site for the most updated information.
http://www.mdtic.com.tw
5 of 11
2005/6 Ver.1.6