at89ls8252 ATMEL Corporation, at89ls8252 Datasheet - Page 22

• Manufacturer Part Number: at89ls8252
• Description: At89ls8252, Low Voltage, Downloadable Mcu With 8k Bytes Flash And 2k Bytes Eeprom. For New Designs Use At89s8253.
• Manufacturer: ATMEL Corporation

Figure 14. Programming the Flash/EEPROM Memory
Figure 16. Verifying the Flash/EEPROM Memory
22
PROGRAMMING
MODES TABLE
PROGRAMMING
3-12 MHz
MODES TABLE
SEE FLASH
3-12 MHz
SEE FLASH
0000H/27FFH
0000H/27FFH
ADDR.
ADDR.
AT89LS8252
A8 - A13
A8 - A13
A0 - A7
A0 - A7
P1
P2.0 - P2.5
P2.6
P2.7
P3.6
P3.7
XTAL2
XTAL1
GND
P1
P2.0 - P2.5
P2.6
P2.7
P3.6
P3.7
XTAL2
XTAL1
GND
AT89LS8252
AT89LS8252
PSEN
PSEN
RST
RST
ALE
V
V
ALE
EA
EA
CC
P0
CC
P0
+5V
PGM DATA
(USE 10K
PULLUPS)
+5V
PGM
DATA
PROG
V
V
V
V
V
PP
PP
IH
IH
IH
Figure 15. Flash/EEPROM Serial Downloading
0850C–MICRO–3/06