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EM78P312NK 数据表(PDF) 66 Page - ELAN Microelectronics Corp |
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EM78P312NK 数据表(HTML) 66 Page - ELAN Microelectronics Corp |
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66 / 68 page  EM78P312N 8-Bit Microcontroller 62 • Product Specification (V1.0) 10.03.2006 (This specification is subject to change without further notice) 7.2 AC Electrical Characteristic Ta=- 40 °C ~ 85 °C, VDD=5V ± 5%, VSS=0V Symbol Parameter Conditions Min Typ Max Unit Dclk Input CLK duty cycle − 45 50 55 % Crystal type (high frequency) 200 − DC ns Tins Instruction cycle time (CLKS="0") RC type 500 − DC ns Ttcc TCC input period − (Tins+20)/ N* − − ns Tdrh Device reset hold time Ta = 25 °C 11.3 16.2 21.6 ms Trst /RESET pulse width Ta = 25 °C 2000 − − ns Twdt Watchdog timer period Ta = 25 °C 11.3 16.2 21.6 ms Tset Input pin setup time − − 0 − ns Thold Input pin hold time − − 20 − ns Tdelay Output pin delay time Cload=20pF − 50 − ns Tstup1 SDI data setup time Setup time of SDI data input to SCK ↑or SCK↓ − 25 50 ns Thold1 SDI data hold time Hold time of SDI data input to SCK ↓or SCK↑ − 25 50 ns Tvalid1 SDO output valid time SCK ↑or SCK↓to SDO data output − 25 50 ns Tsckh SCK input high time Slave mode (Fmain=8 MHz) 200 − − ns Tsckl SCK input low time Slave mode (Fmain=8 MHz) 200 − − ns Tsetup2 Slave mode setup time /SS ↓ to SCK↑or SCK↓(Fmain=8 MHz) 400 − − ns Tdelay1 Slave mode unselect delay time /SS ↑ to SDO output hi-impedance delay time − 25 50 ns * N= selected prescaler ratio |
类似零件编号 - EM78P312NK |
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类似说明 - EM78P312NK |
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