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EM78F651NAMS/NAMJ 数据表(PDF) 46 Page - ELAN Microelectronics Corp |
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EM78F651NAMS/NAMJ 数据表(HTML) 46 Page - ELAN Microelectronics Corp |
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46 / 58 page ![]() EM78F651N 8-Bit Microcontroller 42 • Product Specification (V1.1) 10.20.2006 (This specification is subject to change without further notice) Bit 9 (SHE): System Halt Enable Bit. 0 : Enable 1 : Disable Bits 8, 7, 6, 5 and Bit 4 ( C4, C3, C2, C1, C0 ): internal RC mode calibration bits. Calibration Selection for Internal RC Mode C4 C3 C2 C1 C0 *Cycle Time (ns) *Frequency (MHz) 1 1 1 1 1 399 2.506 1 1 1 1 0 385 2.6 1 1 1 0 1 371 2.693 1 1 1 0 0 358 2.786 1 1 0 1 1 347 2.879 1 1 0 1 0 336 2.973 1 1 0 0 1 326 3.066 1 1 0 0 0 316 3.159 0 1 1 1 1 307 3.253 0 1 1 1 0 298 3.346 0 1 1 0 1 290 3.439 0 1 1 0 0 283 3.533 0 1 0 1 1 275 3.626 0 1 0 1 0 268 3.719 0 1 0 0 1 262 3.813 0 1 0 0 0 256 3.906 0 0 0 0 0 250 4.00 0 0 0 0 1 244 4.093 0 0 0 1 0 238 4.186 0 0 0 1 1 233 4.279 0 0 1 0 0 228 4.373 0 0 1 0 1 223 4.466 0 0 1 1 0 219 4.559 0 0 1 1 1 214 4.653 1 0 0 0 0 210 4.746 1 0 0 0 1 206 4.839 1 0 0 1 0 202 4.933 1 0 0 1 1 198 5.026 1 0 1 0 0 195 5.119 1 0 1 0 1 191 5.213 1 0 1 1 0 188 5.306 1 0 1 1 1 185 5.4 Note: 1. Theoretical values, an instance of the high frequency mode, are shown for reference only. It depends on the process. 2. Similar way of calculation is also applicable for low frequency mode. |
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