PDF P89LPC9381 Data sheet ( Hoja de datos )

Número de pieza	P89LPC9381
Descripción	8-bit microcontroller
Fabricantes	NXP Semiconductors
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No Preview Available ! www.DataSheet4U.com P89LPC9381 8-bit microcontroller with accelerated two-clock 80C51 core 4 kB 3 V byte-erasable ﬂash with 10-bit ADC Rev. 01 — 8 September 2006 Product data sheet 1. General description The P89LPC9381 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 P89LPC9381 in order to reduce component count, board space, and system cost. 2. Features 2.1 Principal features I 4 kB byte-erasable ﬂash code memory organized into 1 kB sectors and 64 B pages. Single-byte erasing allows any byte(s) to be used as non-volatile data storage. I 256 B RAM data memory on-chip RAM. I 8-input multiplexed 10-bit ADC. 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 Enhanced UART with 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 allows operation without external oscillator components. The RC oscillator option is selectable and ﬁne tunable. 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 28-pin TSSOP package with 23 I/O pins minimum and up to 26 I/O pins while using on-chip oscillator and reset options. 1 page www.DataSheet4U.com Philips Semiconductors 5. Functional diagram P89LPC9381 8-bit microcontroller with 10-bit ADC AD05 AD00 AD01 AD02 AD03 KBI0 KBI1 KBI2 KBI3 KBI4 KBI5 KBI6 KBI7 CLKOUT CMP2 CIN2B CIN2A CIN1B CIN1A CMPREF CMP1 T1 XTAL2 XTAL1 PORT 0 PORT 3 Fig 2. P89LPC9381 functional diagram VDD VSS P89LPC9381 PORT 1 TXD RXD T0 INT0 INT1 RST AD04 SCL SDA PORT 2 AD07 AD06 MOSI MISO SS SPICLK 002aac461 P89LPC9381_1 Product data sheet Rev. 01 — 8 September 2006 © Koninklijke Philips Electronics N.V. 2006. All rights reserved. 5 of 60 5 Page xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxx x x x xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xx xx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxx x x xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxx xxx Table 4. P89LPC9381 Special function registers * indicates SFRs that are bit addressable. Name Description SFR Bit functions and addresses addr. MSB LSB Reset value Hex Binary Bit address E7 E6 E5 E4 E3 E2 E1 E0 ACC* Accumulator E0H 00 0000 0000 AD0CON ADC0 control register 97H ENBI0 ENADCI TMM0 EDGE0 ADCI0 ENADC0 ADCS01 ADCS00 00 0 0000 0000 AD0INS ADC0 input select A3H ADI07 ADI06 ADI05 ADI04 ADI03 ADI02 ADI01 ADI00 00 0000 0000 AD0MODA ADC0 mode register A C0H BNDI0 BURST0 SCC0 SCAN0 - - - - 00 0000 0000 AD0MODB ADC0 mode register B A1H CLK2 CLK1 CLK0 - - - - - 00 000x 0000 AUXR1 Auxiliary function register A2H CLKLP EBRR ENT1 ENT0 SRST 0 - DPS 00 0000 00x0 Bit address F7 F6 F5 F4 F3 F2 F1 F0 B* B register F0H 00 0000 0000 BRGR0[1] Baud rate generator rate BEH low 00 0000 0000 BRGR1[1] Baud rate generator rate BFH high 00 0000 0000 BRGCON Baud rate generator BDH - - - - - - SBRGS BRGEN 00[1] xxxx xx00 control CMP1 Comparator 1 control register ACH - - CE1 CP1 CN1 OE1 CO1 CMF1 00[2] xx00 0000 CMP2 Comparator 2 control register ADH - - CE2 CP2 CN2 OE2 CO2 CMF2 00[2] xx00 0000 DIVM CPU clock divide-by-M control 95H 00 0000 0000 DPTR Data pointer (2 B) DPH Data pointer high 83H 00 0000 0000 DPL Data pointer low 82H 00 0000 0000 FMADRH Program ﬂash address high E7H 00 0000 0000 FMADRL Program ﬂash address low E6H 00 0000 0000 11 Page

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