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AT83C5111 数据表(PDF) 2 Page - ATMEL Corporation |
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AT83C5111 数据表(HTML) 2 Page - ATMEL Corporation |
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2 / 86 page ![]() 2 AT8xC5111 4190A–8051–11/02 In the power-down mode, the RAM is saved and all other functions are inoperative. Two oscillator sources, crystal and RC, provide a versatile power management. The AT8xC5111 is proposed in low-pin count packages. Port 0 and Port 2 (address/data buses) are not available . Block Diagram Notes: 1. Alternate function of Port 1. 2. Alternate function of Port 3. 3. Alternate function of Port 4. Timer 0 INT RAM 256 XTAL2 XTAL1 EUART CPU Timer 1 Ctrl C51 CORE (2) (3) (2) (3) Port 1 Port 3 IB-bus Watch Dog (2) (2) ROM /OTP 4K *8 x8 Xtal Osc RC Osc (1) (1) Port 4 (2) (2) (2) PCA (3)(3)(3) SPI BRG (3) A/D Converter (3) Parallel I/O Ports |
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