89C51/89C52/89C54/89C58

General description

The 89C51/89C52/89C54/89C58 contain a non-volatile FLASH program memory that is parallel programmable. For devices that are serial programmable (In-System Programmable (ISP) and In-Application Programmable (IAP) with a boot loader), see the 89C51Rx2 or 89C66x datasheets.

All three families are Single-Chip 8-bit Microcontrollers manufactured in advanced CMOS process and are derivatives of the 80C51 microcontroller family. All the devices have the same instruction set as the 80C51.

Features

• 80C51 Central Processing Unit
• On-chip FLASH Program Memory
• Speed up to 33 MHz
• Fully static operation
• RAM expandable externally up to 64 kbytes
• 4 interrupt priority levels
• 6 interrupt sources
• Four 8-bit I/O ports
• Full-duplex enhanced UART
  • Framing error detection
  • Automatic address recognition
• Three 16-bit timers/counters T0, T1 (standard 80C51) and additional T2 (capture and compare)
• Power control modes
  • Clock can be stopped and resumed
  • Idle mode
  • Power down mode
• Programmable clock out
• Second DPTR register
• Asynchronous port reset
• Low EMI (inhibit ALE)
• Wake up from power down by an external interrupt

Applications

Related applications
LCD TV - MMS functionality

Block diagrams/pinning

Technical documents

Application Notes

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

Support Documents

TN06004_LPC2000_ADC; 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)

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

TN06007_V51RX2_Migration; V51RX2 Migration (2006-06-01)

TN06006_V66x_Migration; V66x Migration (2006-06-01)

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