P87LPC762BDH

Low power, low price, low pin count (20 pin) microcontroller with 2 kbyte OTP


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The 87LPC762 is a 20-pin single-chip microcontroller designed for low pin count applications demanding high-integration, low cost solutions over a wide range of performance requirements. A member of the Philips low pin count family, the 87LPC762 offers programmable oscillator configurations for high and low speed crystals or RC operation, wide operating voltage range, programmable port output configurations, selectable Schmitt trigger inputs, LED drive outputs, and a built-in watchdog timer. The 87LPC762 is based on an accelerated 80C51 processor architecture that executes instructions at twice the rate of standard 80C51 devices.

Features and benefits

  • An accelerated 80C51 CPU provides instruction cycle times of 300-600ns for all instructions except multiply and divide when executing at 20 MHz. Execution at up to 20 MHz when VDD = 4.5 V to 6.0 V, 10 MHz when VDD = 2.7 V to 6.0 V.
  • 2.7 V to 6.0 V operating range for digital functions.
  • 2 kbytes EPROM code memory.
  • 128 byte RAM data memory.
  • 32-byte customer code EPROM allows serialization of devices, storage of setup parameters, etc.
  • Two 16-bit counter/timers. Each timer may be configured to toggle a port output upon timer overflow.
  • Two analog comparators.
  • Full duplex UART.
  • I²C communication port.
  • Eight keypad interrupt inputs, plus two additional external interrupt inputs.
  • Four interrupt priority levels.
  • Watchdog timer with separate on-chip oscillator, requiring no external components. The watchdog timeout time is selectable from 8 values.
  • Active low reset. On-chip power-on reset allows operation with no external reset components.
  • Low voltage reset. One of two preset low voltage levels may be selected to allow a graceful system shutdown when power fails. May optionally be configured as an interrupt.
  • Oscillator Fail Detect. The watchdog timer has a separate fully on-chip oscillator, allowing it to perform an oscillator fail detect function.
  • Configurable on-chip oscillator with frequency range and RC oscillator options (selected by user programmed EPROM bits). The RC oscillator option allows operation with no external oscillator components.
  • Programmable port output configuration options: quasi-bidirectional, open drain, push-pull, input-only.
  • Selectable Schmitt trigger port inputs.
  • LED drive capability (20 mA) on all port pins.
  • Controlled slew rate port outputs to reduce EMI. Outputs have approximately 10 ns minimum ramp times.
  • 15 I/O pins minimum. Up to 18 I/O pins using on-chip oscillator and reset options.
  • Only power and ground connections are required to operate the 87LPC762 when fully on-chip oscillator and reset options are selected.
  • Serial EPROM programming allows simple in-circuit production coding. Two EPROM security bits prevent reading of sensitive application programs.
  • Idle and Power Down reduced power modes. Improved wakeup from Power Down mode (a low interrupt input starts execution). Typical Power Down current is 1 uA.
  • 20-pin DIP, SO, and TSSOP packages.

Applications

  • Personal digital assistant (PDA)
  • Digital camera
  • Communication device, e.g.,
    • Router
    • Modem
  • Mass storage device, e.g.,
    • Zip drive
  • Printer
  • Scanner.
All information on this product information page is subject to the subsequent disclaimers:
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Show functional diagram

Block diagram: P87LPC762BD, P87LPC762BDH, P87LPC762BN, P87LPC762FD, P87LPC762FN
Block diagram: P87LPC762BD, P87LPC762BDH, P87LPC762BN, P87LPC762FD, P87LPC762FN
Block diagram: P87LPC762BD, P87LPC762BDH, P87LPC762BN, P87LPC762FD, P87LPC762FN
Block diagram: P87LPC762BD, P87LPC762BDH, P87LPC762BN, P87LPC762FD, P87LPC762FN

Parametrics of this product

Type numberPackagefmax
(MHz)		RAM
(B)		I/O
pins		UART
I2C
Timers
package reference code@ temperature
range
@ VDD
[min](V)		@ VDD
[max]
(V)		@ product description
P87LPC762BDHSOT360-1
(TSSOP20)		20.0128.018.01.01.01.0TSSOP20B2.76.0Low power, low price, low pin count (20 pin) microcontroller with 2 kbyte OTP

Similar products

Products / Packages

Type numberOrderable part numberOrdering code (12NC)Product statusPackagePackingMarking
P87LPC762BDHP87LPC762BDH,5129352 686 60512Volume productionSOT360-1
(TSSOP20) 		Tube Dry PackStandard Marking

The variants in the table below are discontinued. See the table Discontinuation information at the bottom of this page for more information.

Type numberOrderable part numberOrdering code (12NC)Product statusPackagePackingMarking
P87LPC762BDHP87LPC762BDH,1129352 686 60112Withdrawn
Replacement product		SOT360-1
(TSSOP20) 		TubeStandard Marking

Discontinuation information

Type numberOrdering code (12NC)Last-time buy dateLast-time delivery dateReplacement productDN NoticeStatusComments
P87LPC762BDH935268660112DN

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHSLeadfree conversion dateRHFIFR (FIT)MTBF (hours)MSLMSL LF
P87LPC762BDHP87LPC762BDH,512P87LPC762BDHweek 46, 20042.842.5839793281653747E812

The variants in the table below are discontinued. See the table Discontinuation information at the bottom of this page for more information.

Type numberOrderable part numberChemical contentRoHSLeadfree conversion dateRHFIFR (FIT)MTBF (hours)MSLMSL LF
P87LPC762BDHP87LPC762BDH,112P87LPC762BDH11
Quality and reliability disclaimer

Quality and reliability disclaimer

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Discontinuation information

Type numberOrdering code (12NC)Last-time buy dateLast-time delivery dateReplacement productDN NoticeStatusComments
P87LPC762BDH935268660112DN

Documentation for this product

TypeFormatTitleDate
Data sheetpdfLow power, low price, low pin count (20 pin) microcontroller with 2 kbyte OTP (v.7.0)2001-10-26
Application notepdfPhilips Microcontrollers in LIN Applications (v.1.0)2002-02-15
Application notepdf87LPC76x as a remote control transmitter (v.2.0)2003-05-16
Application notepdfP87LPC76x in-system programming (v.2.0)2001-07-08
BrochurepdfLooking for more 32-bit MCU options? Start here. (v.1.0)2009-04-01
Errata sheetpdfP87LPC762 Erratasheet (v.1.0)2002-04-17

Ordering & availability

Type numberOrdering code(12NC)Orderable part numberRegionDistributorIn stockOrder quantityInventory dateBuy onlineSamples
P87LPC762BDH9352 686 60512P87LPC762BDH,512NAMOUSER ELECTRONICS1,6355/24/2012Buy onlinenot available
   NAMOUSER ELECTRONICS1,6355/24/2012Buy online 
   JAPANCHIP ONE STOPno05/14/2012Buy online 

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