P89LPC920/921/922/9221

General description

The P89LPC920/921/922/9221 are single-chip microcontrollers designed for applications demanding high-integration, low cost solutions over a wide range of performance requirements. The P89LPC920/921/922/9221 is 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 P89LPC920/921/922/9221 in order to reduce component count, board space, and system cost.

Features

Principal features

• 2 kB/4 kB/8 kB Flash code memory with 1 kB erasable sectors, 64-byte erasable page size, and single byte erase.
• 256-byte RAM data memory.
• Two 16-bit counter/timers. Each timer may be configured to toggle a port output upon timer overflow or to become a PWM output.
• Real-Time clock that can also be used as a system timer.
• Two analog comparators with selectable inputs and reference source.
• Enhanced UART with fractional baud rate generator, break detect, framing error detection, automatic address detection and versatile interrupt capabilities.
• 400 kHz byte-wide I²C-bus communication port.
• Configurable on-chip oscillator with frequency range and RC oscillator options (selected by user programmed Flash configuration bits). The RC oscillator (factory calibrated to +-1 pct) option allows operation without external oscillator components. Oscillator options support frequencies from 20 kHz to the maximum operating frequency of 18 MHz. The RC oscillator option is selectable and fine tunable.
• 2.4 V to 3.6 V V_DD operating range. I/O pins are 5 V tolerant (may be pulled up or driven to 5.5 V).
• High drive current (20 mA) on eight I/O pins on the P89LPC9221 (P0.3 to P0.7, P1.4, P1.6, P1.7).

Additional features

• 15 I/O pins minimum. Up to 18 I/O pins while using on-chip oscillator and reset options.
• 20-pin TSSOP and DIP 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. 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 of the Flash code memory. This allows changing the code in a running application.
• Serial Flash programming allows simple in-circuit production coding. Flash security bits prevent reading of sensitive application programs.
• Watchdog timer with separate on-chip oscillator, requiring no external components. The watchdog prescaler is selectable from eight values.
• Low voltage reset (Brownout detect) allows a graceful system shutdown when power fails. May optionally be configured as an interrupt.
• Idle and two different Power-down reduced power modes. Improved wake-up from Power-down mode (a low interrupt input starts execution). Typical Power-down current is 1 uA (total Power-down with voltage comparators disabled).
• Active-LOW reset. On-chip power-on reset allows operation without external reset components. A reset counter and reset glitch suppression circuitry prevent spurious and incomplete resets. A software reset function is also available.
• Oscillator Fail Detect. The watchdog timer has a separate fully on-chip oscillator allowing it to perform an oscillator fail detect function.
• Programmable port output configuration options:
• quasi-bidirectional,
• open drain,
• push-pull,
• input-only.
• Port 'input pattern match' detect. Port 0 may generate an interrupt when the value of the pins match or do not match a programmable pattern.
• LED drive capability (20 mA) on all port pins. A maximum limit is specified for the entire chip (160 mA for the P89LPC9221; 80 mA for the P89LPC920/921/922).
• Controlled slew rate port outputs to reduce EMI. Outputs have approximately 10 ns minimum ramp times.
• Only power and ground connections are required to operate the P89LPC920/921/922/9221 when internal reset option is selected.
• Four interrupt priority levels.
• Eight keypad interrupt inputs, plus two additional external interrupt inputs.
• Second data pointer.
• Schmitt trigger port inputs.
• Emulation support.

Products/packages

Pricing/ordering/availability

Applications

Related applications
Digital media adapters
LCD display - discretes focus
PDA - discretes focus
HID
Projector
Intelligent washing machine
Transceiver board
Power amplifier board
Main CPU board
Walkie-talkie - MMS functionality
LCD TV - MMS functionality
Color mixing for RGBA LEDs

Block diagrams/pinning

Technical documents

Application Notes

AN10155_1; AN10155: Philips LPC9xx microcontroller in I2C applications (21-Jun-02)

AN10187_1; Low-cost A/D-Conversion with Philips LPC microcontrollers Application Note (04-Oct-02)

AN10218_1; AN10218 Philips LPC900 microcontrollers single cell power supply (04-Nov-03)

AN10220_1; LPC900 family in 5V environments (21-May-03)

AN10258_1; How to use the LPC900 In-circuit programming (ICP (24-Mar-04)

AN10258_2; How to use the LPC900 In-circuit programming (ICP) (21-Oct-04)

AN10289_1; LPC900 external crystal start-up (27-Apr-04)

AN10289_1; LPC900 external crystal start-up (27-Apr-04)

AN10302_4; Using the Philips LPC2000 Flash utility with the Keil MCB2100 and IAR LPC210x Kickstart evaluation boards (12-Oct-06)

AN10337_1; Adding ISP firmware to an LPC900 software project (13-Dec-04)

AN10338_1; Off-line Li-Ion battery charger with P89LPC916 (05-Nov-04)

AN10342_1; Using LPC900 code Flash as data storage (13-Dec-04)

AN10342_1; Using LPC900 code Flash as data storage (13-Dec-04)

AN10367_1; Power management for the LPC900 family (29-Mar-05)

Support Documents

Adding ISP in source code; Adding ISP in source code.zip (2005-01-11)

cp900setup_en; CP900 programmer software update V1.5 (2005-01-17)

web; CodeArchitect Code Generation Tool for LPC900 / LPC700 (by ESAcademy) ()

ES_P89LPC920_1; Errata sheet P89LPC920 (2008-03-13)

ES_P89LPC921_1; Errata sheet P89LPC921 (2008-03-13)

ES_P89LPC922_2; Errata sheet P89LPC922 (2008-03-17)

flash_as_datastorage_lpc900; Flash as Data storage LPC900.zip (17-Dec-04)

75014241; Highest performance in Flash ; Lowest power consumption ; Smallest packages (2004-11-12)

an10258; How to use the LPC900 In-circuit programming (ICP) (2004-03-24)

philips_i2c_logic_overview; Interface Products Business Line Specialty Logic Product Line I2C Logic Family Overview (2004-01-01)

TN06004_LPC2000_ADC.pdf10; LPC2000 ADC code example (2006-03-27)

TN06002_LPC2000_EINT; LPC2000 EINT dual edge interrupts (2006-02-22)

TN06005_LPC2000_I2C; LPC2000 I2C slave code example (2006-04-21)

TN06008_LPC2000_SPI; LPC2000 SPI slave code example (2006-06-16)

MACC06001_LPC2000_SPI; LPC2xxx SPI master code example (2006-01-20)

MACC05007_LPC2000_UART; LPC2xxx UART transmitter code example (2005-09-19)

TN06003_LPC900_Resonator; LPC900 Mechanical stress on resonator (2006-03-30)

li_ion_battery_charger; Li-ion Battery charger (17-Dec-04)

MACC05009_P89V51Rx2; P89(L)V51Rx2 Code security (2005-11-25)

UM_P89LPC920_921_922_1; P89LPC920/921/922 USER MANUAL (2003-12-08)

75013481; P89LPC92x family (2004-10-01)

75014621; Philips - The Innovation Leader in Microcontrollers (2005-03-01)

75014632; Philips - The Innovation Leader in Microcontrollers (2005-06-01)

75016051; The choice for embedded technologies (2007-07-01)

75015572; The innovation leader in microcontrollers (2006-09-01)

TN06007_V51RX2_Migration; V51RX2 Migration (2006-06-01)

TN06006_V66x_Migration; V66x Migration (2006-06-01)

Parametrics/similar products

Similar products

P89LPC920/921/922/9221 links to the similar products page containing an overview of products that are similar in function or related to the type number(s) as listed on this page. The similar products page includes products from the same catalog tree(s), relevant selection guides and products from the same functional category.

Print / Email

• Print this information
• Email this information

Disclaimer

The information published on product information pages of the www.nxp.com or www.semiconductors.com websites is an extract from product data sheets and is for information purposes only. For detailed information please check the most recent version of the relevant product data sheet as published on these websites. In the event of any conflict between product information pages and data sheets or deviations from information provided in the product data sheets on these product information pages, the information provided in the product data sheets shall prevail.

The product status of the product(s) described in the product data sheet may have changed since publication of the data sheet and therefore information in datasheets on product status may be outdated. The latest information on product status is published on the product information pages of the above-mentioned websites.

As from October 1st, 2006 Philips Semiconductors has a new trade name - NXP Semiconductors, which will be used in future data sheets together with new contact details. In data sheets where the previous Philips references remain, please use the new links as shown below.

http://www.philips.semiconductors.com use http://www.nxp.com

http://www.semiconductors.philips.com use http://www.nxp.com (Internet)

sales.addresses@www.semiconductors.philips.com use salesaddresses@nxp.com (e-mail)

The copyright notice at the bottom of each page (or elsewhere in the document, depending on the version)
- © Koninklijke Philips Electronics N.V. (year). All rights reserved -
is replaced with:
- © NXP B.V. (year). All rights reserved.-

If you have any questions related to the data sheet, please contact our nearest sales office via e-mail or phone (details via salesaddresses@nxp.com). Thank you for your cooperation and understanding.