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EM78F651NAMS/NAMJ 数据表(PDF) 43 Page - ELAN Microelectronics Corp |
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EM78F651NAMS/NAMJ 数据表(HTML) 43 Page - ELAN Microelectronics Corp |
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43 / 58 page ![]() EM78F651N 8-Bit Microcontroller Product Specification (V1.1) 10.20.2006 • 39 (This specification is subject to change without further notice) C4 C3 C2 C1 C0 *Cycle Time (ns) *Frequency (MHz) 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 * 1.Theoretical values, for reference only. It depend on process. 2. Similar way of calculation is also applicable for low frequency mode. 6.10 Code Option Register The EM78F651N has a Code option word that is not part of the normal program memory. The option bits cannot be accessed during normal program execution. Code Option Register and Customer ID Register arrangement distribution: Word 0 Word 1 Word 2 Bit 12~Bit 0 Bit 12~Bit 0 Bit 12~Bit 0 6.10.1 Code Option Register (Word 0) Word 0 Bit 12 Bit 11 Bit 10 Bit 9 Bit 8 Bit 7 - NRHL NRE CYES CLKS1 CLKS0 |
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