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ST7MC1K2 数据表(PDF) 272 Page - STMicroelectronics |
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ST7MC1K2 数据表(HTML) 272 Page - STMicroelectronics |
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272 / 371 page  Obsolete Product(s) - Obsolete Product(s) On-chip peripherals ST7MC1K2-Auto, ST7MC1K6-Auto, ST7MC2S4-Auto, ST7MC2S6-Auto 272/371 Caution: As the MPHST register contains bits with preload, the whole register has to be written at once. This means that a bit set or bit reset instruction on only one bit without preload resets all the bits with preload. Motor current feedback register (MCFR) 5:0 OO[5:0] Channel ON/OFF bits These bits are used to switch channels ON/OFF at the next C event if the DAC bit = 0 or if DAC directly = 1. 0: Channel OFF (output channel state inactive), the relevant switch is OFF, no PWM possible 1: Channel ON (output channel state active), the relevant switch is ON, PWM is possible (not significant when PCN or DTE bit is set) Table 137. MPHST register description (continued) Bit Name Function MCFR Reset value: 0000 0000 (00h) 7 654 32 10 RPGS RST CFF[2:0] CFW[2:0] R/W R/W R/W R/W Table 138. MCFR register description Bit Name Function 7 RPGS Register page selection 0: Access to registers mapped in page 0 1: Access to registers mapped in page 1 6RST Reset MTC registers Software can set this bit to reset all MTC registers without resetting the ST7. 0: No MTC register reset 1: Reset all MTC registers 5:3 CFF[2:0] Current feedback filter bits These bits select the number of consecutive valid samples (when the current is above the limit) needed to generate the active event(1): 000: current feedback samples = 1 001: current feedback samples = 2 010: current feedback samples = 3 011: current feedback samples = 4 100: current feedback samples = 5 101: current feedback samples = 6 110: current feedback samples = 7 111: current feedback samples = 8 Obsolete Product(s) - Obsolete Product(s) |
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