P80C557E6 查看數據表（PDF） - Philips Electronics
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P80C557E6 Datasheet PDF : 64 Pages
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Philips Semiconductors
Single-chip 8-bit microcontroller
Product specification
P83C557E6/P80C557E6
VSS
VDD
XTAL1
XTAL2
EA
ALE/WE
PSEN
AVSS
AVDD
AVref+
AVref–
ADEXS
PWM0
PWM1
SCL
SDA
0
1
ADC0-7
2
3
4
5
6
7
0
CMSR0-5
1
2
3
4
5
CMT0
6
CMT1
7
RSTIN
RSTOUT
EW
XTAL3
XTAL4
SELXTAL1
0
0
1
1
2
2
LOW ORDER
3
3
ADDRESS AND
4
4
DATA BUS
5
5
AD0–7
6
6
7
7
0
CT0I/INT2
1
CT1I/INT3
2
CT2I/INT4
3
CT3I/INT5
4
T2
5
RT2
6
7
0
1
2
HIGH ORDER
3
ADDRESS BUS
4
A8–15
5
6
7
0
RxD/DATA
1
TxD/CLOCK
2
INT0
3
INT1
4
T0
5
T1
6
WR
7
RD
Figure 2. Functional diagram.
1999 Mar 02
4
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