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AT89C5122D-RDRUM 数据表(PDF) 4 Page - ATMEL Corporation |
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AT89C5122D-RDRUM 数据表(HTML) 4 Page - ATMEL Corporation |
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4 / 208 page  4 AT83R5122, AT8xC5122/23 4202F–SCR–07/2008 AT8xC5122/AT83R5122 Block Diagram AT83C5123 Block Diagram DC/DC Conv erter UART Interf ace 16-BIT TIMERS Interrupt Controller Alternate Card 3.3 V Regulator WATCH-DOG POR PFD RESET RST PLL PLLF XTAL1 XTAL2 8 MHz Oscillator 256 x 8 RAM 512 x 8 XRAM 256 x 8 RAM INTERNALADDRESSANDDATABUS 32K x 8 ROM(1) 32K x 8 E2PROM(1) 32K x 8 CRAM(1) ExternalMemory Controller USB Interf ace CCLK CRST CPRES CC8 CC4 CIO 3.3V Regulator Note 1 : the implementation of these f eatures depends on product v ersions 512 x 8 E2PROM(1) ParallelI/OPorts 8-BIT PORT 8-BIT PORT 8-BIT PORT 6-BIT PORT 8-BIT PORT LED's 3-BIT PORT SPI Interf ace KBD Interf ace DC/DC Conv erter UART Interf ace 16-BIT TIMERS Interrupt Controller Alternate Card 3.3 V Regulator WATCH-DOG POR PFD RESET RST PLL PLLF XTAL1 XTAL2 8 MHz Oscillator 256 x 8 RAM 512 x 8 XRAM 256 x 8 RAM INTERNALADDRESSANDDATABUS 30K x 8 ROM 512 x 8 E2PROM(1) ParallelI/OPorts 8-BIT PORT USB Interf ace CCLK CRST CPRES CC8 CC4 CIO 3.3V Regulator Note 1 : the implementation of these f eatures depends on product v ersions 1-BIT PORT LED's 3-BIT PORT |
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