AT89C51RC-33AC ATMEL Corporation, AT89C51RC-33AC Datasheet - Page 24
AT89C51RC-33AC
Manufacturer Part Number
AT89C51RC-33AC
Description
8-bit Microcontroller with 32K Bytes Flash
Manufacturer
ATMEL Corporation
Datasheet
1.AT89C51RC-33AC.pdf
(37 pages)
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24
AT89C51RC
Figure 10. Programming the Flash Memory
Figure 11. Verifying the Flash Memory
Note:
*Programming address line A14 (P3.4) is not the same as the external memory address
line A14 (P2.6).
3 - 33 MHz
3 - 33 MHz
PROGRAMMING
MODES TABLE
PROGRAMMING
MODES TABLE
SEE FLASH
0000H/7FFFH
SEE FLASH
0000H/7FFFH
ADDR.
ADDR.
A14*
A14*
A0 - A7
A0 - A7
A8 - A13
A8 - A13
P1.0 - P1.7
P2.0 - P2.5
P3.4
P2.6
P2.7
P3.3
P3.6
P3.7
XTAL 2
XTAL1
GND
P1.0 - P1.7
P2.0 - P2.5
P2.6
P2.7
P3.3
P3.6
P3.7
XTAL2
XTAL1
GND
P3.4
AT89C51RC
AT89C51RC
PSEN
PSEN
P3.0
RST
ALE
RST
ALE
V
EA
V
P0
EA
P0
CC
CC
4.5V to 5.5V
4.5V to 5.5V
PGM DATA
(USE 10K
PULL-UPS)
PGM
DATA
PROG
V /V
V
RDY/
BSY
V
V
IH
IH
IH
IH
PP
1920B–MICRO–11/02
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