Rainbow Electronics AT89LS8252 - Manual (Page 22)

AT89LS8252
4-158
Figure 14. Programming the Flash/EEPROM Memory
P1
P2.6
P3.6
P2.0 - P2.5
A0 - A7
ADDR.
0000H/27FFH
SEE FLASH
PROGRAMMING
MODES TABLE
3-12 MHz
A8 - A13
P0
+5V
P2.7
PGM
DATA
PROG
V
V
ALE
P3.7
XTAL2 EA
RST
PSEN
XTAL1
GND
V
AT89LS8252
PP
IH
CC
Figure 15. Flash/EEPROM Serial Downloading
Figure 16. Verifying the Flash/EEPROM Memory
P1
P2.6
P3.6
P2.0 - P2.5
A0 - A7
ADDR.
0000H/27FFH
SEE FLASH
PROGRAMMING
MODES TABLE
3-12 MHz
A8 - A13
P0
+5V
P2.7
PGM DATA
(USE 10K
PULLUPS)
V
V ALE
P3.7
XTAL2 EA
RST
PSEN
XTAL1
GND
V
AT89LS8252
V
CC
IH
PP
IH