P80C552IBA NXP Semiconductors, P80C552IBA Datasheet - Page 18

• Manufacturer Part Number: P80C552IBA
• Description: MCU 8-Bit 80C 80C51 CISC ROMLess 5V 68-Pin PLCC Tube
• Manufacturer: NXP Semiconductors

Specifications of P80C552IBA

• Package: 68PLCC
• Device Core: 80C51
• Family Name: 80C
• Maximum Speed: 24 MHz
• Ram Size: 256 Byte
• Operating Supply Voltage: 5 V
• Data Bus Width: 8 Bit
• Program Memory Type: ROMLess
• Number Of Programmable I/os: 40
• Interface Type: I2C/UART
• On-chip Adc: 8-chx10-bit
• Operating Temperature: 0 to 70 °C
• Number Of Timers: 3

Philips Semiconductors
2002 Sep 03
AC INPUTS DURING TESTING ARE DRIVEN AT V
0.45 V FOR A LOGIC ‘0’. TIMING MEASUREMENTS ARE MADE AT V
LOGIC ‘1’ AND V
NOTE:
SCL
(INPUT/OUTPUT)
V
Single-chip 8-bit microcontroller with 10-bit A/D,
capture/compare timer, high-speed outputs, PWM
SDA
(INPUT/OUTPUT)
DD
0.45 V
–0.5
START or repeated START condition
IL
MAX FOR A LOGIC ‘0’.
Figure 7. AC Testing Input/Output
t
HD;STA
t
FD
0.2 V
0.2 V
t
DD
DD
t
LOW
RC
+0.9
–0.1
t
RD
t
DD
HIGH
–0.5 FOR A LOGIC ‘1’ AND
t
FC
Figure 9. Timing SIO1 (I
t
SU;DAT1
IH
MIN FOR A
SU01699
t
HD;DAT
18
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 V
20mA.
2
LOAD
C) Interface
V
V
LOAD
LOAD
repeated START condition
STOP condition
–0.1 V
+0.1 V
Figure 8. Float Waveform
t
SU;DAT2
REFERENCE
t
SU;STA
TIMING
POINTS
OH
t
SU;STO
0.7 V
0.3 V
80C552/83C552
t
/V
SU;DAT3
OL
CC
CC
LEVEL OCCURS. I
t
BUF
0.7 V
0.3 V
START condition
CC
CC
SU01701
Product data
V
V
OH
SU01700
OH
OL
/I
+0.1 V
OL
–0.1 V
> +