p80c52x2 NXP Semiconductors, p80c52x2 Datasheet - Page 51
p80c52x2
Manufacturer Part Number
p80c52x2
Description
80c51 8-bit Microcontroller Family 4k/8k/16k/32k Rom/otp 128b/256b Ram
Manufacturer
NXP Semiconductors
Datasheet
1.P80C52X2.pdf
(62 pages)
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Philips Semiconductors
2003 Jan 24
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)
ALE/PROG:
ALE/PROG:
SEE EXPLODED VIEW BELOW
1
0
4–6MHz
4–6MHz
1
0
1
A0–A7
A0–A7
1
1
1
1
1
1
2
5 PULSES
t
GLGH
3
Figure 40. Programming Configuration
= 100 s 10 s
Figure 42. Program Verification
4
Figure 41. PROG Waveform
P1
RST
P3.6
P3.7
XTAL2
XTAL1
V
P1
RST
P3.6
P3.7
XTAL2
XTAL1
V
SS
SS
5
OTP
OTP
51
1
ALE/PROG
ALE/PROG
P2.0–P2.5
P2.0–P2.5
EA/V
EA/V
PSEN
PSEN
V
P2.7
P2.6
P2.7
P2.6
V
CC
PP
PP
P0
P0
t
CC
GHGL
= 10 s MIN
+5V
+5V
SU00875
P80C3xX2; P80C5xX2;
PGM DATA
+12.75V
5 PULSES TO GROUND
0
1
0
A8–A12
PGM DATA
1
1
0
0 ENABLE
0
A8–A12
SU01489
SU01488
P87C5xX2
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