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80C31 Datasheet(PDF) 31 Page - NXP Semiconductors

Part # 80C31
Description  80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless low voltage 2.7V.5.5V, low power, high speed 33 MHz
PDF  38 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

80C31 Datasheet(HTML) 31 Page - NXP Semiconductors

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Philips Semiconductors
Product specification
80C51/87C51/80C31
80C51 8-bit microcontroller family
4K/128 OTP/ROM/ROMless, low voltage (2.7V–5.5V),
low power, high speed (33 MHz)
2000 Jan 20
31
A0–A7
1
1
1
4–6MHz
+5V
PGM DATA
+12.75V
5 PULSES TO GROUND
0
1
0
A8–A13
P1
RST
P3.6
P3.7
XTAL2
XTAL1
VSS
VCC
P0
EA/VPP
ALE/PROG
PSEN
P2.7
P2.6
P2.0–P2.5
EPROM/OTP
SU00873
Figure 26. Programming Configuration
ALE/PROG:
ALE/PROG:
1
0
1
0
5 PULSES
tGLGH = 100µs±10µs
tGHGL = 10µs MIN
SU00875
12
34
5
SEE EXPLODED VIEW BELOW
1
Figure 27. PROG Waveform
A0–A7
1
1
1
+5V
PGM DATA
1
1
0
0 ENABLE
0
A8–A13
P1
RST
P3.6
P3.7
XTAL2
XTAL1
VSS
VCC
P0
EA/VPP
ALE/PROG
PSEN
P2.7
P2.6
P2.0–P2.5
EPROM/OTP
A14
P3.4
SU00839A
4–6MHz
Figure 28. Program Verification



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