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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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WM8802SCFT 数据表(PDF) 9 Page - Wolfson Microelectronics plc |
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WM8802SCFT 数据表(HTML) 9 Page - Wolfson Microelectronics plc |
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9 / 65 page  Product Preview WM8802 w PP Rev 1.1 April 2004 9 MICROCONTROLLER INTERFACE AC CHARACTERISTICS Test Conditions I/F AC Characteristics at Ta = 25 oC, AVDD = DVDD = 3.3V, AGND = DGND = 0V PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT XMODE pulse width, Low tRST dw 200 − − µs INT pulse width, Low tINT uw 1 5 1/fs 36 µs CL pulse width, Low tCL dw 100 − − ns CL pulse width, High tCL uw 100 − − ns CL, CE setup time tCL setup 50 − − ns CL, CE hold time tCE hold 50 − − ns CL, DI setup time tDI setup 50 − − ns CL, DE hold time tDI hold 50 − − ns CL, CE hold time tCL hold 50 − − ns CL, DO delay time tCL to DO − − 20 ns CE, DO delay time tCE to DO − − 20 ns Notes: 1. When INTOPF is set to "1", fs = input sampling frequency t CLuw t INTuw CL CE DI t CEtoDO t CLtoDO INT DO t CLdw t DIsetup t DIhold t CEsetup t CEhold t CLhold Hi-Z Figure 2 Micro-controller Interface AC Characteristics |
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