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P89LPC9408 データシート(PDF) 29 Page - NXP Semiconductors

部品番号 P89LPC9408
部品情報  8-bit microcontroller with two-clock 80C51 core 8 kB 3 V byte-erasable flash, 32 segment x 4 LCD driver, 10-bit ADC
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メーカー  PHILIPS [NXP Semiconductors]
ホームページ  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

P89LPC9408 データシート(HTML) 29 Page - NXP Semiconductors

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P89LPC9408_1
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 01 — 16 December 2005
29 of 69
Philips Semiconductors
P89LPC9408
8-bit two-clock 80C51 core with 32 segment
× 4 LCD driver, 10-bit ADC
7.17.1 Mode 0
Putting either Timer into Mode 0 makes it look like an 8048 Timer, which is an 8-bit
Counter with a divide-by-32 prescaler. In this mode, the Timer register is configured as a
13-bit register. Mode 0 operation is the same for Timer 0 and Timer 1.
7.17.2 Mode 1
Mode 1 is the same as Mode 0, except that all 16 bits of the timer register are used.
7.17.3 Mode 2
Mode 2 configures the Timer register as an 8-bit Counter with automatic reload. Mode 2
operation is the same for Timer 0 and Timer 1.
7.17.4 Mode 3
When Timer 1 is in Mode 3 it is stopped. Timer 0 in Mode 3 forms two separate 8-bit
counters and is provided for applications that require an extra 8-bit timer. When Timer 1 is
in Mode 3 it can still be used by the serial port as a baud rate generator.
7.17.5 Mode 6
In this mode, the corresponding timer can be changed to a PWM with a full period of
256 timer clocks.
7.17.6 Timer overflow toggle output
Timers 0 and 1 can be configured to automatically toggle a port output whenever a timer
overflow occurs. The same device pins that are used for the T0 and T1 count inputs are
also used for the timer toggle outputs. The port outputs will be a logic 1 prior to the first
timer overflow when this mode is turned on.
7.18 RTC/system timer
The P89LPC9408 has a simple RTC that allows a user to continue running an accurate
timer while the rest of the device is powered-down. The RTC can be a wake-up or an
interrupt source. The RTC is a 23-bit down counter comprised of a 7-bit prescaler and a
16-bit loadable down counter. When it reaches all logic 0s, the counter will be reloaded
again and the RTCF flag will be set. The clock source for this counter can be either the
CPU clock (CCLK) or the XTAL oscillator, provided that the XTAL oscillator is not being
used as the CPU clock. If the XTAL oscillator is used as the CPU clock, then the RTC will
use CCLK as its clock source. Only power-on reset will reset the RTC and its associated
SFRs to the default state.
7.19 CCU
This unit features:
A 16-bit timer with 16-bit reload on overflow.
Selectable clock, with prescaler to divide clock source by any integral number
between 1 and 1024.
Four compare/PWM outputs with selectable polarity
Symmetrical/asymmetrical PWM selection
Two capture inputs with event counter and digital noise rejection filter


同様の部品番号 - P89LPC9408

メーカー部品番号データシート部品情報
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同様の説明 - P89LPC9408

メーカー部品番号データシート部品情報
logo
NXP Semiconductors
P89LPC9401 PHILIPS-P89LPC9401 Datasheet
283Kb / 59P
   8-bit microcontroller with accelerated two-clock 80C51 core 8 kB 3 V byte-erasable flash with 32 segment x 4 LCD driver
Rev. 01-5 September 2005
P89LPC9402 NXP-P89LPC9402 Datasheet
312Kb / 60P
   8-bit microcontroller with accelerated two-clock 80C51 core 8 kB 3 V byte-erasable flash with 32 segment 4 LCD driver
Rev. 01-22 April 2009
P89LPC952 PHILIPS-P89LPC952 Datasheet
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   8-bit microcontroller with accelerated two-clock 80C51 core 8 kB 3 V byte-erasable flash with 10-bit ADC
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P89LPC9351 NXP-P89LPC9351 Datasheet
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Rev. 01-8 September 2006
P89LPC952 NXP-P89LPC952 Datasheet
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   8-bit microcontroller with accelerated two-clock 80C51 core 8 kB/16 kB 3 V byte-erasable flash with 10-bit ADC
Rev. 04-24 July 2008
P89LPC9301 NXP-P89LPC9301 Datasheet
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