IS89C51 Datasheet, PDF (37/48 Pages) Integrated Silicon Solution, Inc – CMOS SINGLE CHIP 8-BIT MICROCONTROLLER with 4-Kbytes of FLASH

IS89C51
IS89LV51
+ 5V
A0-A7
P1
Vcc
P0
A11-A8
P2.0-P2.3
PGM
DATA
CONTROL
SIGNALS
P2.6
P2.7
P3.6
P3.7
ALE
EA
PROG
VPP
3.5-12 MHz
XTAL2
RST
VIH
XTAL1
GND
PSEN
Figure 24. Programming the Flash Memory
IS89LV51
+ 5V
A0-A7
P1
Vcc
P0
A12-A8
P2.0-P2.4
CONTROL
SIGNALS
P2.6
P2.7
P3.6
P3.7
ALE
EA
PGM DATA
(USE 10K
PULLUPS)
VIH
3.5-12 MHz
XTAL2
RST
VIH
XTAL1
GND
PSEN
Figure 25. Verifying the Flash Memory
Integrated Silicon Solution, Inc. — 1-800-379-4774
MC016-1C
11/21/98
ISSI ^®
37