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CEC1712 Datasheet(PDF) 103 Page - Microchip Technology |
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CEC1712 Datasheet(HTML) 103 Page - Microchip Technology |
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103 / 338 page ![]() 2020-2021 Microchip Technology Inc. DS00003416C-page 103 CEC1712 15:9 HARDWARE_FLOW_CONTROL_DEVICE This is the device that is connected to this channel as its Hardware Flow Control master. The Flow Control Interface is a bus with each master concatenated onto it. This selects which bus index of the concatenated Flow Con- trol Interface bus is targeted towards this channel. R/W 0h RESET 8 TRANSFER_DIRECTION This determines the direction of the DMA Transfer. 1=Data Packet Read from MEMORY_START_ADDRESS followed by Data Packet Write to DEVICE_ADDRESS 0=Data Packet Read from DEVICE_ADDRESS followed by Data Packet Write to MEMORY_START_ADDRESS R/W 0h RESET 7:6 Reserved RES - - 5BUSY This is a status signal. 1=The DMA Channel is busy (FSM is not IDLE) 0=The DMA Channel is not busy (FSM is IDLE) R0h RESET 4:3 TEST R 0h RESET 2DONE This is a status signal. It is only valid while RUN is Enabled. This is the inverse of the DMA Channel Control:Busy field, except this is qualified with the DMA Channel Control:Run field. 1=Channel is done 0=Channel is not done or it is OFF R0h RESET 1REQUEST This is a status field. 1=There is a transfer request from the Master Device 0=There is no transfer request from the Master Device R0h RESET 0 RUN This is a control field. It only applies to Hardware Flow Control mode. 1=This channel is enabled and will service transfer requests 0=This channel is disabled. All transfer requests are ignored R/W 0h RESET Offset 10h Bits Description Type Default Reset Event |
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