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P89LPC954 데이터시트 PDF




NXP Semiconductors에서 제조한 전자 부품 P89LPC954은 전자 산업 및 응용 분야에서
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부품번호 P89LPC954 기능
기능 (P89LPC952 / P89LPC954) 8-bit microcontroller
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P89LPC954 데이터시트, 핀배열, 회로
P89LPC952/954
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
Product data sheet
1. General description
The P89LPC952/954 is a single-chip microcontroller, available in low cost packages,
based on a high performance processor architecture that executes instructions in two to
four clocks, six times the rate of standard 80C51 devices. Many system-level functions
have been incorporated into the P89LPC952/954 in order to reduce component count,
board space, and system cost.
2. Features
2.1 Principal features
I 8 kB/16 kB byte-erasable flash code memory organized into 1 kB sectors and 64-byte
pages. Single-byte erasing allows any byte(s) to be used as non-volatile data storage.
I 256-byte RAM data memory and a 256-byte auxiliary on-chip RAM.
I 8-input multiplexed 10-bit ADC with window comparator that can generate an interrupt
for in or out of range results. Two analog comparators with selectable inputs and
reference source.
I Two 16-bit counter/timers (each may be configured to toggle a port output upon timer
overflow or to become a PWM output) and a 23-bit system timer that can also be used
as a RTC.
I Two enhanced UARTs with a fractional baud rate generator, break detect, framing
error detection, and automatic address detection; 400 kHz byte-wide I2C-bus
communication port and SPI communication port.
I High-accuracy internal RC oscillator option, with clock doubler option, allows operation
without external oscillator components. The RC oscillator option is selectable and fine
tunable. Fast switching between the internal RC oscillator and any oscillator source
provides optimal support of minimal power active mode with fast switching to
maximum performance.
I 2.4 V to 3.6 V VDD operating range. I/O pins are 5 V tolerant (may be pulled up or
driven to 5.5 V).
I 44-pin and 48-pin packages with 40 and 42 I/O pins minimum while using on-chip
oscillator and reset options.
I Port 5 has high current sourcing/sinking (20 mA) for all Port 5 pins. All other port pins
have high sinking capability (20 mA). A maximum limit is specified for the entire chip.
I Watchdog timer with separate on-chip oscillator, requiring no external components.
The watchdog prescaler is selectable from eight values.
www.DataSheet4U.com




P89LPC954 pdf, 반도체, 판매, 대치품
NXP Semiconductors
4. Block diagram
P89LPC952/954
8-bit microcontroller with 10-bit ADC
P89LPC952/954
ACCELERATED 2-CLOCK 80C51 CPU
P5[7:0]
P4[7:0]
P3[1:0]
P2[5:0](1)
P2[7:0](2)
P1[7:0]
P0[7:0]
CRYSTAL
OR
RESONATOR
XTAL1
XTAL2
8 kB/16 kB
CODE FLASH
256-BYTE
DATA RAM
256-BYTE
AUXILIARY RAM
internal
bus
PORT 5
CONFIGURABLE I/Os
PORT 4
CONFIGURABLE I/Os
PORT 3
CONFIGURABLE I/Os
PORT 2
CONFIGURABLE I/Os
PORT 1
CONFIGURABLE I/Os
PORT 0
CONFIGURABLE I/Os
KEYPAD
INTERRUPT
WATCHDOG TIMER
AND OSCILLATOR
PROGRAMMABLE
OSCILLATOR DIVIDER
CPU
clock
CONFIGURABLE
OSCILLATOR
ON-CHIP RC
OSCILLATOR WITH
CLOCK DOUBLER
(1) 44-pin package.
(2) 48-pin package.
Fig 1. Block diagram
UART0
UART1
I2C-BUS
ADC0
SPI
REAL-TIME CLOCK/
SYSTEM TIMER
TIMER 0
TIMER 1
ANALOG
COMPARATORS
DEBUGGER
INTERFACE
TXD0
RXD0
TXD1
RXD1
SCL
SDA
AD00
AD02
AD04
AD06
AD01
AD03
AD05
AD07
SPICLK
MOSI
MISO
SS
T0
T1
CMP2
CIN2A
CIN1A
CIN2B
CMP1
CIN1B
TRIG
TCLK
TDI
POWER MONITOR
(POWER-ON RESET,
BROWNOUT RESET)
002aab305
www.DataSheet4U.com
P89LPC952_954_4
Product data sheet
Rev. 04 — 24 July 2008
© NXP B.V. 2008. All rights reserved.
4 of 69

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P89LPC954 전자부품, 판매, 대치품
NXP Semiconductors
P89LPC952/954
8-bit microcontroller with 10-bit ADC
P1.3/INT0/SDA 1
P1.2/T0/SCL 2
P1.1/RXD0 3
P1.0/TXD0 4
P3.1/XTAL1 5
P3.0/XTAL2/CLKOUT 6
VDD 7
P5.7 8
P5.6 9
P5.5 10
P5.4 11
P89LPC952FBD
P89LPC954FBD
33 P0.4/CIN1A/KBI4/AD03
32 P0.5/CMPREF/KBI5
31 P0.6/CMP1/KBI6
30 VDD
29 P0.7/T1/KBI7
28 P2.2/MOSI
27 P2.3/MISO
26 P2.4/SS
25 P2.5/SPICLK
24 P4.0
23 P4.1/TRIG
002aab306
Fig 4. LQFP44 pin configuration
www.DataSheet4U.com
P89LPC952_954_4
Product data sheet
Rev. 04 — 24 July 2008
© NXP B.V. 2008. All rights reserved.
7 of 69

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P89LPC952

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(P89LPC952 / P89LPC954) 8-bit microcontroller

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