P89LPC9361FDH(2009) 데이터 시트보기 (PDF) - NXP Semiconductors.

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P89LPC9361FDH
(Rev.:2009)

8-bit microcontroller with accelerated two-clock 80C51 core, 4 kB/8 kB/16 kB 3 V byte-erasable flash with 8-bit ADCs

NXP Semiconductors. 

NXP Semiconductors

P89LPC9331/9341/9351/9361

8-bit microcontroller with accelerated two-clock 80C51 core

Table 3. Pin description …continued

Symbol

Pin

Type Description

PLCC28,

TSSOP28

P3.0/XTAL2/

9

CLKOUT

I/O P3.0 — Port 3 bit 0.

O XTAL2 — Output from the oscillator amplifier (when a crystal oscillator option is

selected via the flash configuration.

O CLKOUT — CPU clock divided by 2 when enabled via SFR bit (ENCLK -TRIM.6).

It can be used if the CPU clock is the internal RC oscillator, watchdog oscillator or

external clock input, except when XTAL1/XTAL2 are used to generate clock source

for the RTC/system timer.

P3.1/XTAL1

8

I/O P3.1 — Port 3 bit 1.

I

XTAL1 — Input to the oscillator circuit and internal clock generator circuits (when

selected via the flash configuration). It can be a port pin if internal RC oscillator or

watchdog oscillator is used as the CPU clock source, and if XTAL1/XTAL2 are not

used to generate the clock for the RTC/system timer.

VSS

7

I

Ground: 0 V reference.

VDD

21

I

Power supply: This is the power supply voltage for normal operation as well as

Idle and Power-down modes.

[1] Input/output for P1.0 to P1.4, P1.6, P1.7. Input for P1.5.

P89LPC9331_9341_9351_9361_3

Product data sheet

Rev. 03 — 2 June 2009

© NXP B.V. 2009. All rights reserved.

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