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P89LPC912 데이터시트 PDF




NXP Semiconductors에서 제조한 전자 부품 P89LPC912은 전자 산업 및 응용 분야에서
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부품번호 P89LPC912 기능
기능 (P89LPC912 - P89LPC914) 8-bit microcontrollers
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P89LPC912 데이터시트, 핀배열, 회로
P89LPC912/913/914
8-bit microcontrollers with two-clock 80C51 core
1 kB 3 V Flash with 128-byte RAM
Rev. 03 — 17 December 2004
Product data
1. General description
The P89LPC912/913/914 are single-chip microcontrollers in low-cost 14-pin
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 P89LPC912/913/914 in order
to reduce component count, board space, and system cost.
2. Features
www.DataSheet4U.com
s 1 kB byte-erasable Flash code memory organized into 256-byte sectors and
16-byte pages. Single-byte erasing allows any byte(s) to be used as non-volatile
data storage.
s 128-byte RAM data memory.
s Two 16-bit counter/timers. Each timer may be configured to toggle a port output
upon timer overflow or to become a PWM output.
s 23-bit system timer that can also be used as a Real-Time clock.
s Two analog comparators with selectable inputs and reference source.
s Enhanced UART with fractional baudrate generator, break detect, framing error
detection, automatic address detection and versatile interrupt capabilities
(P89LPC913, P89LPC914).
s SPI communication port.
s Internal RC oscillator (factory calibrated to ±1 %) option allows operation without
external oscillator components. The RC oscillator option is selectable and fine
tunable.
s 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).
s Up to 12 I/O pins when using internal oscillator and reset options.
3. Additional features
14-pin TSSOP packages.
A high performance 80C51 CPU provides instruction cycle times of 111 ns to
222 ns for all instructions except multiply and divide when executing at 18 MHz
(167 ns to 333 ns at 12 MHz). This is six times the performance of the standard
80C51 running at the same clock frequency. A lower clock frequency for the same
performance results in power savings and reduced EMI.
In-Application Programming (IAP-Lite) and byte erase allows code memory to be
used for non-volatile data storage.




P89LPC912 pdf, 반도체, 판매, 대치품
Philips Semiconductors
5. Block diagram
P89LPC912/913/914
8-bit microcontrollers with two-clock 80C51 core
www.DataSheet4U.com
P89LPC912
HIGH PERFORMANCE
ACCELERATED 2-CLOCK 80C51 CPU
1 kB
CODE FLASH
128-BYTE
DATA RAM
INTERNAL BUS
PORT 3
CONFIGURABLE I/Os
PORT 2
CONFIGURABLE I/Os
PORT 1
CONFIGURABLE I/Os
PORT 0
CONFIGURABLE I/Os
KEYPAD
INTERRUPT
PROGRAMMABLE
OSCILLATOR DIVIDER
CPU
CLOCK
CRYSTAL
OR
RESONATOR
CONFIGURABLE
OSCILLATOR
ON-CHIP
RC
OSCILLATOR
Fig 1. P89LPC912 block diagram.
SPI
REAL-TIME CLOCK/
SYSTEM TIMER
TIMER 0
TIMER 1
WATCHDOG TIMER
AND OSCILLATOR
ANALOG
COMPARATORS
POWER MONITOR
(POWER-ON RESET,
BROWNOUT RESET)
002aaa472
9397 750 14468
Product data
Rev. 03 — 17 December 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
4 of 63

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P89LPC912 전자부품, 판매, 대치품
Philips Semiconductors
6. Pinning information
6.1 Pinning
P89LPC912/913/914
8-bit microcontrollers with two-clock 80C51 core
handbook, halfpage
P2.2/MOSI 1
SPICLK/P2.5 2
RST/P1.5 3
VSS 4
P0.6/CMP1/KBI6 5
P1.2/T0 6
XTAL1/P3.1 7
14 P2.3/MISO
13 P0.2/CIN2A/KBI2
12 P0.4/CIN1A/KBI4
11 P0.5/CMPREF/KBI5
10 VDD
9 P2.4/SS
8 CLKOUT/XTAL2/P3.0
002aaa478
Fig 4. P89LPC912 TSSOP14 pin configuration.
www.DataSheet4U.com
handbook, halfpage
P2.2/MOSI 1
SPICLK/P2.5 2
RST/P1.5 3
VSS 4
P0.6/CMP1/KBI6 5
P1.1/RXD 6
XTAL1/P3.1 7
14 P2.3/MISO
13 P0.2/CIN2A/KBI2
12 P0.4/CIN1A/KBI4
11 P0.5/CMPREF/KBI5
10 VDD
9 P1.0/TXD
8 CLKOUT/XTAL2/P3.0
002aaa479
Fig 5. P89LPC913 TSSOP14 pin configuration.
handbook, halfpage
P2.2/MOSI 1
SPICLK/P2.5 2
RST/P1.5 3
VSS 4
P0.6/CMP1/KBI6 5
P1.1/RXD 6
P1.2/T0 7
14 P2.3/MISO
13 P0.2/CIN2A/KBI2
12 P0.4/CIN1A/KBI4
11 P0.5/CMPREF/KBI5
10 VDD
9 P1.0/TXD
8 P2.4/SS
002aaa480
Fig 6. P89LPC914 TSSOP14 pin configuration.
9397 750 14468
Product data
Rev. 03 — 17 December 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
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