P89LPC936FA NXP Semiconductors, P89LPC936FA Datasheet - Page 41

MCU 8BIT 80C51 16K FLASH, PLCC28

P89LPC936FA

Manufacturer Part Number
P89LPC936FA
Description
MCU 8BIT 80C51 16K FLASH, PLCC28
Manufacturer
NXP Semiconductors
Datasheet

Specifications of P89LPC936FA

Controller Family/series
(8051) 8052
Core Size
8bit
No. Of I/o's
26
Program Memory Size
16KB
Eeprom Memory Size
512Byte
Ram Memory Size
768Byte
Cpu Speed
18MHz
Oscillator Type
External,
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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NXP Semiconductors
P89LPC933_934_935_936
Product data sheet
8.21 I
The I
connected to the bus, and it has the following features:
A typical I
device provides a byte-oriented I
400 kHz.
2
Fig 15. I
C-bus serial interface
Bidirectional data transfer between masters and slaves
Multi master bus (no central master)
Arbitration between simultaneously transmitting masters without corruption of serial
data on the bus
Serial clock synchronization allows devices with different bit rates to communicate via
one serial bus
Serial clock synchronization can be used as a handshake mechanism to suspend and
resume serial transfer
The I
2
C-bus uses two wires (SDA and SCL) to transfer information between devices
2
2
2
C-bus may be used for test and diagnostic purposes.
C-bus configuration is shown in
C-bus configuration
I
2
C-bus
All information provided in this document is subject to legal disclaimers.
P1.3/SDA
Rev. 8 — 12 January 2011
P89LPC935
8-bit microcontroller with accelerated two-clock 80C51 core
P1.2/SCL
2
C-bus interface that supports data transfers up to
P89LPC933/934/935/936
OTHER DEVICE
WITH I
R
Figure
INTERFACE
P
2
C-BUS
15. The P89LPC933/934/935/936
R
P
OTHER DEVICE
WITH I
INTERFACE
2
C-BUS
002aab082
© NXP B.V. 2011. All rights reserved.
SDA
SCL
41 of 77

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