P89LPC9401FBD NXP Semiconductors, P89LPC9401FBD Datasheet - Page 30

• Manufacturer Part Number: P89LPC9401FBD
• Description: IC, MCU 8BIT 80C51, LCD DRIVER, SMD
• Manufacturer: NXP Semiconductors

Specifications of P89LPC9401FBD

• Controller Family/series: (8051) 8052
• Core Size: 8bit
• No. Of I/o's: 23
• Program Memory Size: 8KB
• Ram Memory Size: 256Byte
• Cpu Speed: 18MHz
• Oscillator Type: External, Internal
• No. Of Timers: 4
• No.: RoHS Compliant

Philips Semiconductors
P89LPC9401_1
Preliminary data sheet
Fig 10. I
P1.3/SDA
P1.2/SCL
2
C-bus serial interface block diagram - P89LPC931
8-bit two-clock 80C51 microcontroller with 32 segment
Rev. 01 — 5 September 2005
OUTPUT
OUTPUT
FILTER
FILTER
STAGE
STAGE
INPUT
INPUT
P1.3
P1.2
status bus
I2SCLH
I2SCLL
overflow
I2CON
I2STAT
timer 1
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
P89LPC9401
AND
I2DAT
8
8
8
ACK
I2ADR
interrupt
CCLK
002aaa899
4 LCD driver
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