AT89C51RC-24PC View Datasheet(PDF) - Atmel Corporation
Part Name
Description
MFG CO.
'AT89C51RC-24PC' PDF : 36 Pages View PDF
Figure 22-1. Programming the Flash Memory
4.5V to 5.5V
AT89C51RC
A0 - A7
ADDR.
P1.0 - P1.7
VCC
0000H/7FFFH A8 - A13
P2.0 - P2.5 P0
A14*
P3.4
P2.6
PGM
DATA
SEE FLASH
PROGRAMMING
MODES TABLE
P2.7
ALE
P3.3
P3.6
PROG
P3.7
XTAL 2
EA
VIH/VPP
3 - 33 MHz
P3.0
RDY/
BSY
XTAL1
RST
VIH
GND
PSEN
Figure 22-2. Verifying the Flash Memory
4.5V to 5.5V
AT89C51RC
A0 - A7
ADDR.
P1.0 - P1.7
VCC
0000H/7FFFH A8 - A13
P2.0 - P2.5 P0
A14*
P3.4
P2.6
SEE FLASH
PROGRAMMING
MODES TABLE
P2.7
ALE
P3.3
P3.6
P3.7
PGM DATA
(USE 10K
PULL-UPS)
VIH
XTAL 2
EA
3 - 33 MHz
XTAL1
RST
VIH
GND
PSEN
Note: *Programming address line A14 (P3.4) is not the same as the external memory address line A14
(P2.6).
24 AT89C51RC
1920C–MICRO–03/05
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