80C575 Datasheet, PDF (35/40 Pages) NXP Semiconductors – 80C51 8-bit microcontroller family 8K/256 OTP/ROM/ROMless, 4 comparator, failure detect circuitry, watchdog timer

Philips Semiconductors
80C51 8-bit microcontroller family
8K/256 OTP/ROM/ROMless, 4 comparator, failure detect circuitry, watchdog timer
Product specification
80C575/83C575/
87C575
A0–A7
0
1
1
4–6MHz
1
ALE/PROG:
0
1
ALE/PROG:
0
A0–A7
0
1
1
4–6MHz
+5V
P1
RST
P3.6
P3.7
XTAL2
XTAL1
V_SS
V_CC
P0
87C575
EA/V_PP
ALE/PROG
PSEN
P2.7
P2.6
P2.0–P2.4
Figure 34. Programming Configuration
PGM DATA
+12.75V
25 100µs PULSES TO GROUND
0
1
0
A8–A12
SU00249
25 PULSES
10µs MIN
100µs+10
Figure 35. PROG Waveform
P1
RST
P3.6
P3.7
XTAL2
XTAL1
V_SS
+5V
V_CC
P0
87C575
EA/V_PP
ALE/PROG
PSEN
P2.7
P2.6
P2.0–P2.4
Figure 36. Program Verification
PGM DATA
1
1
0
0 ENABLE
0
A8–A12
SU00250
SU00018
1998 May 01
35