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AT80C5112 Datasheet(PDF) 2 Page - ATMEL Corporation |
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AT80C5112 Datasheet(HTML) 2 Page - ATMEL Corporation |
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2 / 97 page ![]() 2 AT8xC5112 4191B–8051–04/03 The AT8xC5112 has 3 software-selectable modes of reduced activity for further reduc- tion in power consumption. In the idle mode, the CPU is frozen while the peripherals are still operating. In the quiet mode, the A/D converter is only operating. In the Power-down mode, the RAM is saved and all other functions are inoperative. Two oscillators source, crystal and RC, provide a versatile power management. The AT8xC5112 is proposed in 48-/52-pin count packages with Port 0 and Port 2 (address/ data buses). 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 8 K *8 A/D Converter x8 Xtal Osc RC Osc (1) (1) (3) Port 4 (2) (2) (2) PCA (3)(3) (3) SPI BRG Port 0 Port 2 EA ALE PSEN RST Parallel I/O Ports (3) |
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