參數(shù)資料
型號(hào): 87C52
廠商: NXP Semiconductors N.V.
英文描述: 80C51 8-bit microcontroller family 8K.64K/256.1K OTP/ROM/ROMless, low voltage 2.7V.5.5V, low power, high speed 33 MHz
中文描述: 80C51的8位單片機(jī)系列8K.64K/256.1K檢察官辦公室/光盤(pán)/無(wú)ROM,2.7V.5.5V低電壓,低功耗,高速33兆赫
文件頁(yè)數(shù): 51/62頁(yè)
文件大?。?/td> 403K
代理商: 87C52
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
= 100
μ
s
±
10
μ
s
t
GHGL
= 10
μ
s MIN
SU00875
1
2
3
4
5
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
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