at89c51ac3-s3sim ATMEL Corporation, at89c51ac3-s3sim Datasheet - Page 55

• Manufacturer Part Number: at89c51ac3-s3sim
• Description: At89c51ac3 Enhanced 8-bit Microcontroller With 64kb Flash Memory
• Manufacturer: ATMEL Corporation

4383D–8051–02/08
Table 22. Read MOVC A, @DPTR
Code Execution
External code :
EA=0 or Code
(ENBOOT =1
From FM0
From FM1
Roll Over
1. For DPTR higher than 007Fh only lowest 7 bits are decoded, thus the behavior is the same as for addresses from 0000h to
2. For DPTR higher than 007Fh only lowest 7 bits are decoded, thus the behavior is the same as for addresses from 0000h to
007Fh
007Fh
FMOD1 FMOD0
0
0
1
1
0
0
1
1
X
FCON Register
0
1
0
1
0
1
0
1
0
FPS
X
X
X
X
X
X
X
X
0
1
ENBOOT
X
X
X
0
1
0
1
1
0
1
0
1
0
1
0
1
0
0000h to FFFFh
F800h to FFFFh
F800h to FFFFh
F800h to FFFFh
0000h to F7FF
000h to FFFFh
0000h to F7FF
0000h to F7FF
000h to FFFFh
0000 to 007Fh
0000h to 007h
DPTR
See
See
X
X
X
X
X
X
(1)
(2)
FM1
OK
FM0
Do not use this configuration
Do not use this configuration
OK
OK
OK
OK
OK
OK
OK
XROW
NA
NA
NA
NA
NA
OK
OK
Hardware
Byte
OK
OK
External
Code
OK
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