P87C552 NXP Semiconductors, P87C552 Datasheet - Page 33

• Manufacturer Part Number: P87C552
• Description: The 87C552 Single-Chip 8-Bit Microcontroller is manufactured in anadvanced CMOS process and is a derivative of the 80C51microcontroller family
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2003 Apr 01
80C51 8-bit microcontroller
8K/256 OTP, 8 channel 10 bit A/D, I
capture/compare, high I/O, low voltage (2.7 V to 5.5 V), low power
P1.7/SDA
P1.6/SCL
OUTPUT
OUTPUT
FILTER
FILTER
STAGE
STAGE
INPUT
INPUT
P1.7
P1.6
Figure 34. I
STATUS BITS
OVERFLOW
TIMER 1
2
C, PWM,
S1CON
S1ADR
S1DAT
S1STA
2
C Bus Serial Interface Block Diagram
ARBITRATION &
SERIAL CLOCK
GENERATOR
SYNC LOGIC
33
ADDRESS REGISTER
CONTROL REGISTER
STATUS REGISTER
SHIFT REGISTER
COMPARATOR
DECODER
STATUS
CONTROL
TIMING
LOGIC
&
8
8
8
8
ACK
INTERRUPT
f
OSC
/4
su00966
P87C552
Product data