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T89C51RD2-3CBI-M Datasheet(PDF) 2 Page - ATMEL Corporation |
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T89C51RD2-3CBI-M Datasheet(HTML) 2 Page - ATMEL Corporation |
2 / 86 page 2 Rev. F - 15 February, 2001 T89C51RD2 • Power supply: - M version: Commercial and industrial 4.5V to 5.5V : 40MHz X1 Mode, 20MHz X2 Mode 3V to 5.5V : 33MHz X1 Mode, 16 MHz X2 Mode - L version: Commercial and industrial 2.7V to 3.6V : 25MHz X1 Mode, 12MHz X2 Mode • Temperature ranges: Commercial (0 to +70°C) and industrial (-40 to +85°C). • Packages: PDIL40, PLCC44, VQFP44, PLCC68, VQFP64 Table 1. Memory Size 3. Block Diagram PDIL40 PLCC44 VQFP44 1.4 Flash (bytes) EEPROM (bytes) XRAM (bytes) TOTAL RAM (bytes) I/O T89C51RD2 64k 2k 1024 1280 32 PLCC68 VQFP64 1.4 Flash (bytes) EEPROM (bytes) XRAM (bytes) TOTAL RAM (bytes) I/O T89C51RD2 64k 2k 1024 1280 48 Timer 0 INT RAM 256x8 WR RD EA PSEN ALE/ XTAL2 XTAL1 EUART CPU Timer 1 Ctrl (3) (3) C51 CORE (3) (3) (3) (3) Port 0 Port 1 Port 2 Port 3 Parallel I/O Ports & Ext. Bus XRAM 1Kx8 IB-bus PCA PROG Watch Dog (3) (3) (1) (1): Alternate function of Port 1 (3): Alternate function of Port 3 (1) Timer2 (1) (1) Port 5 Port 4 (2): Only available on high pin count packages (2) (2) Flash 64Kx8 EEPROM 2Kx8 |
Similar Part No. - T89C51RD2-3CBI-M |
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Similar Description - T89C51RD2-3CBI-M |
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