參數(shù)資料
型號: 935263156557
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP80
封裝: PLASTIC, QFP-80
文件頁數(shù): 34/76頁
文件大?。?/td> 567K
代理商: 935263156557
Philips Semiconductors
Product specification
P83C557E4/P80C557E4/P89C557E4
Single-chip 8-bit microcontroller
1999 Mar 02
4
POR
T
5
POR
T
4
ADC0-7
CMT0
CMT1
CMSR0-5
RSTOUT
EW
XTAL1
XTAL2
EA
ALE/WE
PSEN
AVref+
AVref–
ADEXS
PWM0
PWM1
POR
T
0
LOW ORDER ADDRESS
AND DATA BUS AD0–7
POR
T
1
POR
T
2
POR
T
3
CT0I/INT2
CT1I/INT3
CT2I/INT4
CT3I/INT5
T2
RT2
RXD/DATA
TXD/CLOCK
INT0
INT1
T0
T1
WR
RD
VSS
VDD
AVSS
AVDD
P8xC557E4
Figure 2. Functional diagram
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
SCL
SDA
*) only P89C557E4 with alternate function WE
*
RSTIN
XTAL3
XTAL4
SELXTAL1
HIGH ORDER ADDRESS BUS
A8–15
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