83C576 Datasheet, PDF (41/46 Pages) NXP Semiconductors – 80C51 8-bit microcontroller family 8K/256 OTP/ROM, 6 channel 10-bit A/D, 4 comparators, failure detect circuitry, watchdog timer

Philips Semiconductors
80C51 8-bit microcontroller family
8K/256 OTP/ROM, 6 channel 10-bit A/D, 4 comparators,
failure detect circuitry, watchdog timer
Product specification
83C576/87C576
A0–A7
0
1
1
4–6MHz
1
ALE/PROG:
0
1
ALE/PROG:
0
A0–A7
0
1
1
4–6MHz
+5V
+5V
P3
RST
P1.0
P1.1
XTAL2
XTAL1
AV_SS
V_SS
AV_CC
V_CC
P0
87C576
EA/V_PP
ALE/PROG
PSEN
P2.7
P2.6
P2.0–P2.4
Figure 38. Programming Configuration
PGM DATA
+12.75V
5 50µs PULSES TO GROUND
0
1
0
A8–A12
SU00257B
5 PULSES
10µs MIN
50µs+10
Figure 39. PROG Waveform
P3
RST
P1.0
P1.1
XTAL2
XTAL1
AV_SS
V_SS
+5V
+5V
AV_CC
V_CC
P0
87C576
EA/V_PP
ALE/PROG
PSEN
P2.7
P2.6
P2.0–P2.4
Figure 40. Program Verification
PGM DATA
1
1
0
0 ENABLE
0
A8–A12
SU00258B
SU00664
1998 Jun 04
41