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MEC1322 bảng dữ liệu(PDF) 230 Page - Microchip Technology |
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MEC1322 bảng dữ liệu(HTML) 230 Page - Microchip Technology |
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230 / 456 page ![]() MEC1322 DS00001719D-page 230 2014 - 2015 Microchip Technology Inc. The Base Address indicates where the first register can be accessed in a particular address space for a block instance. 18.10.1 HTIMER PRELOAD REGISTER 18.10.2 HTIMER CONTROL REGISTER 18.10.3 HTIMER COUNT REGISTER TABLE 18-5: EC-ONLY REGISTER BASE ADDRESS TABLE Block Instance Instance Number Host Address Space Base Address Hibernation Timer 0 EC 32-bit internal address space 4000_9800h TABLE 18-6: HIBERNATION TIMER SUMMARY Offset Register Name 00h HTimer Preload Register 04h HTimer Control Register 08h HTimer Count Register Offset 00h Bits Description Type Default Reset Event 15:0 HT_PRELOAD This register is used to set the Hibernation Timer Preload value. Writing this register to a non-zero value resets the down counter to start counting down from this programmed value. Writing this regis- ter to 0000h disables the hibernation counter. The resolution of this timer is determined by the CTRL bit in the HTimer Control Register. Writes to the HTimer Control Register are completed with an EC bus cycle. R/W 000h VCC1_R ESET Offset 04h Bits Description Type Default Reset Event 15:1 Reserved R - - 0CTRL 1= The Hibernation Timer has a resolution of 0.125s per LSB, which yields a maximum time in excess of 2 hours. 0= The Hibernation Timer has a resolution of 30.5µs per LSB, which yields a maximum time of ~2seconds. R 0000h VCC1_R ESET Offset 08h Bits Description Type Default Reset Event 15:0 COUNT The current state of the Hibernation Timer. R 0000h VCC1_R ESET |
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