P89LPC922FDH NXP Semiconductors, P89LPC922FDH Datasheet - Page 16

• Manufacturer Part Number: P89LPC922FDH
• Description: MCU 8-Bit 89LP 80C51 CISC 8KB Flash 2.5V/3.3V 20-Pin TSSOP Tube
• Manufacturer: NXP Semiconductors

Specifications of P89LPC922FDH

• Package: 20TSSOP
• Device Core: 80C51
• Family Name: 89LP
• Maximum Speed: 18 MHz
• Ram Size: 256 Byte
• Program Memory Size: 8 KB
• Operating Supply Voltage: 2.5|3.3 V
• Data Bus Width: 8 Bit
• Program Memory Type: Flash
• Number Of Programmable I/os: 18
• Interface Type: I2C/UART
• Operating Temperature: -40 to 85 °C
• Number Of Timers: 2

Philips Semiconductors
9397 750 14469
Product data
Fig 5. Block diagram of oscillator control.
XTAL1
XTAL2
OSCILLATOR
(7.3728 MHz)
OSCILLATOR
TIMER 0 and
WATCHDOG
Rev. 08 — 15 December 2004
(400 kHz)
TIMER 1
RC
Med. freq.
High freq.
Low freq.
PCLK
P89LPC920/921/922/9221
I
2
8-bit microcontrollers with two-clock 80C51 core
C
OSCCLK
GENERATOR
BAUD RATE
DIVM
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
CCLK
UART
2
002aaa424
WDT
CPU
RTC
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