參數(shù)資料
型號(hào): 87C453
廠商: NXP Semiconductors N.V.
英文描述: 80C51 8-bit microcontroller family 8K/256 OTP/ROM, expanded I/O
中文描述: 80C51的8位單片機(jī)系列8K/256檢察官辦公室/光盤,擴(kuò)展的I / O
文件頁(yè)數(shù): 23/26頁(yè)
文件大?。?/td> 188K
代理商: 87C453
Philips Semiconductors
Preliminary specification
83C453/87C453
80C51 8-bit microcontroller family
8K/256 OTP/ROM, expanded I/O
1998 Apr 23
23
A0–A7
1
1
1
4–6MHz
+5V
PGM DATA
+12.75V
15 TO 25 100
μ
s 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–P2.4
87C453
SU00159
Figure 25. Programming Configuration
ALE/PROG:
ALE/PROG:
1
0
1
0
15 TO 25 PULSES
100
μ
s+10
10
μ
s MIN
SU00160
Figure 26. PROG Waveform
A0–A7
1
1
1
4–6MHz
+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–P2.4
87C453
SU00161
Figure 27. Program Verification
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