P89LPC938FA NXP Semiconductors, P89LPC938FA Datasheet - Page 36

• Manufacturer Part Number: P89LPC938FA
• Description: IC, MCU 8BIT 80C51 8K FLASH, PLCC28
• Manufacturer: NXP Semiconductors

Specifications of P89LPC938FA

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

Philips Semiconductors
9397 750 14051
Product data sheet
Fig 14. I
P1.3/SDA
P1.2/SCL
2
C-bus serial interface block diagram.
Rev. 01 — 25 February 2005
OUTPUT
OUTPUT
FILTER
FILTER
STAGE
STAGE
INPUT
INPUT
P1.3
P1.2
status bus
I2SCLH
I2SCLL
overflow
I2CON
I2STAT
timer 1
8-bit microcontroller with 10-bit A/D converter
ARBITRATION &
BIT COUNTER /
SERIAL CLOCK
SYNC LOGIC
GENERATOR
SCL DUTY CYCLE REGISTERS
ADDRESS REGISTER
SHIFT REGISTER
CONTROL REGISTERS &
DECODER
COMPARATOR
STATUS
STATUS REGISTER
8
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
CONTROL
TIMING
LOGIC
AND
P89LPC938
I2DAT
8
8
8
ACK
I2ADR
interrupt
CCLK
002aaa899
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