MDT10P621 Datasheet, PDF (13/21 Pages) Micon Design Technology Corporation – 8-bit micro-controller

MDT10P621
Note : u unchanged, x unknown, - unimplemented, read as “0”
# value depends on the condition of the following table
Condition
/MCLR reset (not during
SLEEP)
/MCLR reset during SLEEP
WDT reset (not during
SLEEP)
WDT reset during SLEEP
Power-on reset
Power-range reset
Status: bit 4 Status: bit 3 PSTA: bit 1
u
u
u
1
0
u
0
1
u
0
0
u
1
1
0
1
1
u
PSTA: bit 0
u
u
u
u
x
0
8. Instruction Set :
Mnemonic
Instruction Code _Operands
Function
010000 00000000 NOP
No operation
010000 00000001 CLRWT
Clear Watchdog timer
010000 00000010 SLEEP
Sleep mode
010000 00000011 TMODE
Load W to TMODE register
010000 00000100 RET
Return from subroutine
010000 00000rrr CPIO R Control I/O port register
010001 1rrrrrrr STWR R Store W to register
011000 trrrrrrr
LDR R, t Load register
111010 iiiiiiii
LDWI I Load immediate to W
010111 trrrrrrr
SWAPR R, t Swap halves register
011001 trrrrrrr
011010 trrrrrrr
011011 trrrrrrr
011100 trrrrrrr
INCR R, t Increment register
INCRSZ R, t Increment register, skip if
zero
ADDWR R, t Add W and register
SUBWR R, t Subtract W from register
011101 trrrrrrr
011110 trrrrrrr
010010 trrrrrrr
DECR R, t Decrement register
DECRSZ R, t Decrement register, skip if
zero
ANDWR R, t AND W and register
Operating
None
0 WT
0 WT, stop
OSC
W TMODE
Stack PC
W CPIO r
WR
Rt
IW
[R(0~3)
↔R(4~7)] t
R+1 t
R+1 t
W+R t
R W t or
(R+/W+1 t)
R 1t
R 1t
R Wt
This specification are subject to be changed without notice. Any latest information please preview
http;//www.mdtic.com.tw
P.13
2005/5 Ver. 1.8
Status
TF, PF
TF, PF
None
None
None
None
Z
None
None
Z
None
C, HC, Z
C, HC, Z
Z
None
Z