P89C660 Philips Semiconductors, P89C660 Datasheet - Page 14
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P89C660
Manufacturer Part Number
P89C660
Description
80C51 8-bit Flash microcontroller family
Manufacturer
Philips Semiconductors
Datasheet
1.P89C660.pdf
(89 pages)
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Philips Semiconductors
2002 Oct 28
80C51 8-bit Flash microcontroller family
16KB/32KB/64KB ISP/IAP Flash with 512B/1KB/2KB/8KB RAM
P1.7/SDA
P1.6/SCL
OUTPUT
OUTPUT
FILTER
FILTER
STAGE
STAGE
INPUT
INPUT
P1.7
P1.6
Figure 3. I
STATUS BITS
OVERFLOW
TIMER 1
S1CON
S1ADR
S1DAT
S1STA
2
C Bus Serial Interface Block Diagram
ARBITRATION &
SERIAL CLOCK
GENERATOR
SYNC LOGIC
14
ADDRESS REGISTER
CONTROL REGISTER
STATUS REGISTER
SHIFT REGISTER
COMPARATOR
DECODER
STATUS
CONTROL
P89C660/P89C662/P89C664/
TIMING
LOGIC
&
8
8
8
8
ACK
INTERRUPT
f
OSC
/4
P89C668
su00966
Product data