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P83C552IFB View Datasheet(PDF) - Philips Electronics

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Description
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P83C552IFB Datasheet PDF : 23 Pages
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Philips Semiconductors
Single-chip 8-bit microcontroller with 10-bit A/D,
capture/compare timer, high-speed outputs, PWM
Product data
80C552/83C552
VDD–0.5
0.2 VDD+0.9
0.45 V
0.2 VDD–0.1
NOTE:
AC INPUTS DURING TESTING ARE DRIVEN AT VDD–0.5 FOR A LOGIC ‘1’ AND
0.45 V FOR A LOGIC ‘0’. TIMING MEASUREMENTS ARE MADE AT VIH MIN FOR A
LOGIC ‘1’ AND VIL MAX FOR A LOGIC ‘0’.
SU01699
Figure 7. AC Testing Input/Output
VLOAD+0.1 V
VLOAD
VLOAD–0.1 V
TIMING
REFERENCE
POINTS
VOH–0.1 V
VOL+0.1 V
NOTE:
FOR TIMING PURPOSES, A PORT IS NO LONGER FLOATING WHEN A 100MV
CHANGE FROM LOAD VOLTAGE OCCURS, AND BEGINS TO FLOAT WHEN A
100 mV CHANGE FROM THE LOADED VOH/VOL LEVEL OCCURS. IOH/IOL > +
20mA.
SU01700
Figure 8. Float Waveform
START or repeated START condition
tRD
SDA
(INPUT/OUTPUT)
SCL
(INPUT/OUTPUT)
tFD
tRC
tHD;STA tLOW
tHIGH
repeated START condition
STOP condition
tSU;STA
START condition
tFC
tSU;DAT1
tHD;DAT
tBUF
tSU;STO
0.7 VCC
0.3 VCC
tSU;DAT3
tSU;DAT2
0.7 VCC
0.3 VCC
SU01701
Figure 9. Timing SIO1 (I2C) Interface
2002 Sep 03
18
 

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