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T89C51AC2-RLSI-M 数据表(PDF) 2 Page - ATMEL Corporation |
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T89C51AC2-RLSI-M 数据表(HTML) 2 Page - ATMEL Corporation |
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2 / 117 page ![]() 2 Draft.A - March 30, 2001 Preview - Confidential T89C51AC2 3. Block Diagram Timer 0 INT RAM 256x8 WR RD EA PSEN ALE XTAL2 XTAL1 UART CPU Timer 1 Ctrl C51 CORE Port 0 Port 1 Port 2 Port 3 Parallel I/O Ports & Ext. Bus ERAM 1kx8 IB-bus PCA Watch Dog (1): 8 analog Inputs / 8 Digital I/O Timer2 Port 4 Emul Unit 10 bit ADC Flash 32kx 8 Boot loader 2kx8 EE PROM 2kx8 (2): 2-Bit I/O Port |
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