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MEC1322 数据表(PDF) 57 Page - Microchip Technology |
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MEC1322 数据表(HTML) 57 Page - Microchip Technology |
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57 / 456 page  2014 - 2015 Microchip Technology Inc. DS00001719D-page 57 MEC1322 Note 3-11 The basic timers in this device have an auto-reload mode. When this mode is selected, the block's clk_req equation is always asserted, which will prevent the device from gating its clock tree and going to sleep. When the firmware intends to put the device to sleep, none of the timers should be in auto- reload mode. Alternatively, use the timer's HALT function inside the control register to stop the timer in auto-reload mode so it can go to sleep. 3.9.4 EC CLOCK REQUIRED STATUS REGISTERS (EC_CLK_REQ_STS) 8 PROCESSOR Sleep Enable 0: block is free to use clocks as necessary. 1: block is commanded to sleep at next available moment. R/W 0h VCC1_R ESET 7 TFDP Sleep Enable 0: block is free to use clocks as necessary. 1: block is commanded to sleep at next available moment. R/W 0h VCC1_R ESET 6 DMA Sleep Enable 0: block is free to use clocks as necessary. 1: block is commanded to sleep at next available moment. R/W 0h VCC1_R ESET 5 PMC Sleep Enable 0: block is free to use clocks as necessary. 1: block is commanded to sleep at next available moment. R/W 0h VCC1_R ESET 4 PWM0 Sleep Enable 0: block is free to use clocks as necessary. 1: block is commanded to sleep at next available moment. R/W 0h VCC1_R ESET 3 RESERVED RES 2 TACH0 Sleep Enable 0: block is free to use clocks as necessary. 1: block is commanded to sleep at next available moment. R/W 0h VCC1_R ESET 1 PECI Sleep Enable 0: block is free to use clocks as necessary. 1: block is commanded to sleep at next available moment. R/W 0h VCC1_R ESET 0 INT Sleep Enable 0: block is free to use clocks as necessary. 1: block is commanded to sleep at next available moment. R/W 0h VCC1_R ESET Offset 0Ch Bits Description Type Default Reset Event 31 TIMER16_1 Clock Required 0: block does NOT need clocks. 1: block requires clocks. R0h VCC1_R ESET 30 TIMER16_0 Clock Required 0: block does NOT need clocks. 1: block requires clocks. R0h VCC1_R ESET 29 EC_REG_BANK Clock Required 0: block does NOT need clocks. 1: block requires clocks. R0h VCC1_R ESET 28:23 RESERVED RES Offset 08h Bits Description Type Default Reset Event |
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