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PDF P89LPC906 Data sheet ( Hoja de datos )
| Número de pieza | P89LPC906 | |
| Descripción | 8-bit microcontrollers | |
| Fabricantes | NXP Semiconductors | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de P89LPC906 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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P89LPC906/907/908 www.DataSheet4U.com
8-bit microcontrollers with two-clock 80C51 core
1 kB 3 V Flash with 128-byte RAM
Rev. 05 — 17 December 2004
Product data
1. General description
The P89LPC906/907/908 are single-chip microcontrollers in low-cost 8-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 P89LPC906/907/908 in order to reduce
component count, board space, and system cost.
2. Features
2.1 Principal features
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. (Timer 0 may be configured to toggle a port output
upon timer overflow or to become a PWM output on the P89LPC907 device).
s 23-bit system timer that can also be used as a Real-Time clock.
s A single analog comparator with selectable reference source.
s Enhanced UART with fractional baudrate generator, break detect, framing error
detection, automatic address detection and versatile interrupt capabilities
(P89LPC908, transmit only on P89LPC907).
s Internal RC oscillator option (factory calibrated to ±1 %) 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 with 5 V tolerant I/O pins (may be pulled up or
driven to 5.5 V). Supply pins located at package centers for improved supply
decoupling and reduced EMI.
s Up to six I/O pins when using internal oscillator and reset options.
s 8-pin SO-8 package.
2.2 Additional features
s 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
(P89LPC906) (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.
s In-Application Programming (IAP-Lite) and byte erase allows code memory to be
used for non-volatile data storage.
1 page  
Philips Semiconductors
P89LPC906/907/908
8-bit microcontrollers with twwow-cwlo.Dcakta8S0hCee5t14Uc.coorem
P89LPC907
HIGH PERFORMANCE
ACCELERATED 2-CLOCK 80C51 CPU
1 kB
CODE FLASH
128-BYTE
DATA RAM
INTERNAL
BUS
PORT 1
CONFIGURABLE I/O
PORT 0
CONFIGURABLE I/Os
KEYPAD
INTERRUPT
WATCHDOG TIMER
AND OSCILLATOR
PROGRAMMABLE
OSCILLATOR DIVIDER
CPU
CLOCK
ON-CHIP
RC
OSCILLATOR
Fig 2. P89LPC907 block diagram.
UART
TIMER 0
TIMER 1
REAL-TIME CLOCK/
SYSTEM TIMER
ANALOG
COMPARATOR
POWER MONITOR
(POWER-ON RESET,
BROWNOUT RESET)
002aaa461
9397 750 14467
Product data
Rev. 05 — 17 December 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
5 of 51
5 Page 
Philips Semiconductors
P89LPC906/907/908
8-bit microcontrollers with twwow-cwlo.Dcakta8S0hCee5t14Uc.coorem
Table 5: P89LPC908 pin description…continued
Symbol
Pin
Type Description
P1.0 to P1.5
Port 1: Port 1 is an I/O port with a user-configurable output types. During reset Port 1
latches are configured in the input only mode with the internal pull-up disabled. The
operation of the configurable Port 1 pins as inputs and outputs depends upon the
port configuration selected. Each of the configurable port pins are programmed
independently. Refer to Section 8.11.1 “Port configurations” and Table 13 “DC
electrical characteristics” for details. P1.5 is input only.
All pins have Schmitt triggered inputs.
Port 1 also provides various special functions as described below:
5 I/O P1.0 — Port 1 bit 0.
O TxD — Serial port transmitter data.
4 I/O P1.1 — Port 1 bit 1.
I RxD — Serial port receiver data.
1 I P1.5 — Port 1 bit 5 (input only).
I RST — External Reset input during Power-on or if selected via UCFG1. When
functioning as a reset input a LOW on this pin resets the microcontroller, causing I/O
ports and peripherals to take on their default states, and the processor begins
execution at address 0. Also used during a power-on sequence to force In-System
Programming mode.
VSS 2 I Ground: 0 V reference.
VDD 6 I Power Supply: This is the power supply voltage for normal operation as well as Idle
and Power-down modes.
9397 750 14467
Product data
Rev. 05 — 17 December 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
11 of 51
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet P89LPC906.PDF ] | |
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