IC89E54 Datasheet, PDF (10/36 Pages) Integrated Circuit Solution Inc – 8-BITS SINGLE MICROCONTROLLER with 16/32/64-Kbytes of FLASH, 256 byte +512 byte RAM

IC89E54/58/64
F8H
F0H
E8H
E0H
D8H
D0H
C8H
C0H
B8H
B0H
A8H
A0H
98H
90H
88H
80H
B
00000000
ACC
00000000
P4[3:0]
XXXX1111
PSW
00000000
T2CON
00000000
XICON
00000000
IP
XX000000
P3
11111111
IE
0X000000
P2
11111111
SCON
00000000
P1
11111111
TCON
00000000
P0
11111111
SBUF
XXXXXXXX
TMOD
00000000
SP
00000000
RCAP2L
00000000
P4CONA
00000000
TL0
00000000
DPL
00000000
RCAP2H
00000000
P4CCONB
00000000
TL1
00000000
DPH
00000000
TL2
00000000
P43AL
00000000
P42AL
00000000
P41AL
00000000
TH0
00000000
P40AL
00000000
TH2
00000000
PH43AH
00000000
P42AH
00000000
P41AH
00000000
TH1
00000000
P40AH
00000000
P2ECON
0000XX00
P2EAL
00000000
AUXR
XXX00000
P2EAH
00000000
PCON
0XX00000
FFH
F7H
EFH
E7H
DFH
D7H
CFH
C7H
BFH
B7H
AFH
A7H
9FH
97H
8FH
87H
Figure 9. IC89E54/58/64 SFRs Map and Reset value (The gray blocks are non-standard.)
These descriptions are added from standard IC80C32. So, more information for SFRs and memory refer to IC80C32.
10
Integrated C ircuitSolution Inc.
MC012-0C 11/16/2001