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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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ST7MC1K2 数据表(PDF) 216 Page - STMicroelectronics |
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ST7MC1K2 数据表(HTML) 216 Page - STMicroelectronics |
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216 / 371 page  Obsolete Product(s) - Obsolete Product(s) On-chip peripherals ST7MC1K2-Auto, ST7MC1K6-Auto, ST7MC2S4-Auto, ST7MC2S6-Auto 216/371 Figure 93. Step ratio functional diagram 1. Only in auto-switched mode (SWA = 1 in MCRA register). fPERIPH ST[3:0] bits 4 1/2 ratio 1/2 Zn < 55h? MTIM timer = 100h? +1 -1 ck Tratio R+ R- 2 MHz - 62.5 Hz Ratio > 0? Ratio = ratio - 1 Begin End Yes No Z capture with MTIM timer underflow (Zn < 55h) Ratio < Fh? Ratio = ratio + 1 MZREG = MZREG/2 MZPRV = MZPRV/2 MDREG = MDREG/2 Counter = counter/2 Begin End Yes No MTIM timer overflow MTIM timer control over Tratio and register operation Slow-down control Speed-up control Compute MCOMP MPRSR register MCOMP = MCOMP/21) MZREG = MZREG x 2 MZPRV = MZPRV x 2 MDREG = MDREG x 2 Counter = counter x 2 MCOMP = MCOMP/2 Obsolete Product(s) - Obsolete Product(s) |
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