Datasheet

Philips Semiconductors Product data
P80C3xX2; P80C5xX2;
P87C5xX2
80C51 8-bit microcontroller family
4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V),
low power, high speed (30/33 MHz)
2003 Jan 24
51
A0–A7
1
1
1
4–6MHz
+5V
PGM DATA
+12.75V
5 PULSES TO GROUND
0
1
0
A8–A12
P1
RST
P3.6
P3.7
XTAL2
XTAL1
V
SS
V
CC
P0
EA
/V
PP
ALE/PROG
PSEN
P2.7
P2.6
P2.0–P2.5
OTP
SU01488
Figure 40. Programming Configuration
ALE/PROG:
ALE/PROG:
1
0
1
0
5 PULSES
t
GLGH
= 100µs±10µs
t
GHGL
= 10µs MIN
SU00875
12345
SEE EXPLODED VIEW BELOW
1
Figure 41. PROG Waveform
A0–A7
1
1
1
+5V
PGM DATA
1
1
0
0 ENABLE
0
A8–A12
P1
RST
P3.6
P3.7
XTAL2
XTAL1
V
SS
V
CC
P0
EA
/V
PP
ALE/PROG
PSEN
P2.7
P2.6
P2.0–P2.5
OTP
SU01489
4–6MHz
Figure 42. Program Verification