P89LPC915_916_917 NXP Semiconductors, P89LPC915_916_917 Datasheet - Page 44
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P89LPC915_916_917
Manufacturer Part Number
P89LPC915_916_917
Description
The P89LPC915/916/917 are single-chip microcontrollers, available in low-cost packages,based on a high performance processor architecture that executes instructions in two tofour clocks, six times the rate of standard 80C51 devices
Manufacturer
NXP Semiconductors
Datasheet
1.P89LPC915_916_917.pdf
(75 pages)
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NXP Semiconductors
P89LPC915_916_917_5
Product data sheet
Fig 15. I
P1.3/SDA
P1.2/SCL
2
C-bus serial interface block diagram
Rev. 05 — 15 December 2009
OUTPUT
OUTPUT
FILTER
FILTER
STAGE
STAGE
INPUT
INPUT
P1.3
P1.2
8-bit microcontrollers with accelerated two-clock 80C51 core
status bus
I2SCLH
overflow
I2SCLL
I2CON
I2STAT
timer 1
AND SYNC LOGIC
SERIAL CLOCK
BIT COUNTER /
ARBITRATION
GENERATOR
SCL DUTY CYCLE REGISTERS
ADDRESS REGISTER
CONTROL REGISTERS AND
SHIFT REGISTER
DECODER
COMPARATOR
P89LPC915/916/917
STATUS
STATUS REGISTER
8
CONTROL
TIMING
LOGIC
AND
I2DAT
8
8
8
ACK
I2ADR
© NXP B.V. 2009. All rights reserved.
interrupt
CCLK
002aaa899
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