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ELANSC310 bảng dữ liệu(PDF) 114 Page - Advanced Micro Devices |
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ELANSC310 bảng dữ liệu(HTML) 114 Page - Advanced Micro Devices |
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114 / 119 page ![]() 114 Élan™SC310 Microcontroller Data Sheet PREL IMINARY These timings are based on default settings and required initial programming. These timings may be modified via the MMS Memory Wait State1 Register, Index 62h, and the Command Delay Register, Index 60h. (See the ÉlanTMSC310 Microcontroller Programmer’s Reference Manual, order #20665.) 1. These timing apply to the B4 version of the ÉlanSC310 microcontroller only. The timings for the B3 version are t5b = 260 ns, t6b = 0 ns, t12b = -2 ns, and t14 = -4 ns. Table 59. ISA I/O 16-Bit Read/Write Cycle (See Figure 48) Symbol Parameter Description Notes Preliminary Units Min Max t1a SA stable to IOW active 200 ns t1b SA stable to IOR active 150 ns t2 SA stable to IOCS16 active 95 ns t3a IOW active to IOCHRDY inactive 30 ns t3b IOR active to IOCHRDY inactive 80 ns t4a IOW hold from IOCHRDY active 110 ns t4b IOR hold from IOCHRDY active 160 ns t5a IOW pulse width 160 ns t5b IOR pulse width 1 225 ns t6a SA hold from IOW inactive 50 ns t6b SA hold from IOR inactive 1 50 ns t7 RDDATA setup to command inactive 40 ns t8 RDDATA hold from command inactive 0 ns t9 WRDATA setup to command inactive 250 ns t10 WRDATA hold from command inactive 50 ns t11 DBUFOE active from command 5 ns t12a DBUFOE hold from command Write 50 ns t12b DBUFOE hold from command Read 1 50 ns t13 ENDRIH, ENDIRL setup to IOR 100 ns t14 ENDIRH, ENDIRL hold from IOR 150 ns t15 BALE pulse width 50 ns |
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