at89s52-33sc ATMEL Corporation, at89s52-33sc Datasheet - Page 24

• Manufacturer Part Number: at89s52-33sc
• Description: At89s52 , 8-bit Microcontroller With 8k Bytes In-system Programmable Flash
• Manufacturer: ATMEL Corporation

24
AT89S52
Figure 22-1. Programming the Flash Memory (Parallel Mode)
Figure 22-2. Verifying the Flash Memory (Parallel Mode)
3-33 MHz
3-33 MHz
PROGRAMMING
MODES TABLE
PROGRAMMING
MODES TABLE
SEE FLASH
0000H/1FFFH
0000H/1FFFH
SEE FLASH
ADDR.
ADDR.
A8 - A12
A8 - A12
A0 - A7
A0 - A7
P3.3
P3.3
P1.0-P1.7
P2.0 - P2.4
P2.6
P2.7
P3.6
P3.7
XTAL 2
XTAL1
GND
P1.0-P1.7
P2.0 - P2.4
P2.6
P2.7
P3.6
P3.7
XTAL2
XTAL1
GND
AT89S52
AT89S52
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
1919C–MICRO–3/05