AT89S51-24SC ATMEL Corporation, AT89S51-24SC Datasheet - Page 15
AT89S51-24SC
Manufacturer Part Number
AT89S51-24SC
Description
8-bit Microcontroller with 4K Bytes In-System Programmable Flash
Manufacturer
ATMEL Corporation
Datasheet
1.AT89S51-24SC.pdf
(30 pages)
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2487B–MICRO–12/03
Figure 4. Programming the Flash Memory (Parallel Mode)
Figure 5. Verifying the Flash Memory (Parallel Mode)
3-33 MHz
3-33 MHz
PROGRAMMING
MODES TABLE
PROGRAMMING
MODES TABLE
SEE FLASH
0000H/FFFH
0000H/FFFH
SEE FLASH
ADDR.
ADDR.
A8 - A11
A0 - A7
A8 - A11
A0 - A7
P3.3
P1.0-P1.7
P2.0 - P2.3
P2.6
P2.7
P3.3
P3.6
P3.7
XTAL2
XTAL1
GND
P1.0-P1.7
P2.0 - P2.3
P2.6
P2.7
P3.6
P3.7
XTAL 2
XTAL1
GND
AT89S51
AT89S51
PSEN
PSEN
P3.0
RST
ALE
RST
V
ALE
EA
P0
V
EA
CC
P0
CC
V
V
PGM DATA
(USE 10K
PULLUPS)
CC
CC
PGM
DATA
PROG
V /V
V
RDY/
BSY
V
V
IH
IH
IH
IH
PP
AT89S51
15
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