P89LPC901 PHILIPS [NXP Semiconductors], P89LPC901 Datasheet - Page 26
P89LPC901
Manufacturer Part Number
P89LPC901
Description
8-bit microcontrollers with two-clock 80C51 core 1 kB 3 V Flash with 128-byte RAM
Manufacturer
PHILIPS [NXP Semiconductors]
Datasheet
1.P89LPC901.pdf
(55 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
P89LPC901FD
Manufacturer:
OMRON
Quantity:
3 000
Part Number:
P89LPC901FD
Manufacturer:
NXP/恩智浦
Quantity:
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Company:
Part Number:
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Manufacturer:
NS
Quantity:
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Part Number:
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Manufacturer:
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Quantity:
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Philips Semiconductors
9397 750 12293
Product data
Fig 12. Block diagram of oscillator control (P89LPC901).
Fig 13. Block diagram of oscillator control (P89LPC902).
Fig 14. Block diagram of oscillator control (P89LPC903).
XTAL1
XTAL2
OSCILLATOR
OSCILLATOR
(7.3728 MHz)
WATCHDOG
OSCILLATOR
(7.3728 MHz)
OSCILLATOR
(400 kHz)
WATCHDOG
(400 kHz)
OSCILLATOR
(7.3728 MHz)
OSCILLATOR
RC
WATCHDOG
RC
(400 kHz)
Rev. 04 — 21 November 2003
RC
Med. freq.
High freq.
Low freq.
OSCCLK
OSCCLK
8-bit microcontrollers with two-clock 80C51 core
OSCCLK
GENERATOR
BAUD RATE
P89LPC901/902/903
DIVM
DIVM
DIVM
CCLK
CCLK
UART
CCLK
© Koninklijke Philips Electronics N.V. 2003. All rights reserved.
¸
¸
2
2
PCLK
PCLK
¸
2
PCLK
TIMERS 0 & 1
002aaa448
TIMERS 0 & 1
WDT
002aaa449
CPU
RTC
WDT
CPU
RTC
TIMERS 0 & 1
002aaa447
WDT
CPU
RTC
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