MEC1322 Datasheet, PDF (260/456 Pages) Microchip Technology – Keyboard and Embedded Controller for Notebook PC

MEC1322
TABLE 21-3: DMA CONTROLLER MASTER DEVICES SIGNAL LIST
Device Name
Dev
Num Device Signal Name
(21.5)
Direction
Description
SMBus 0 Controller
SMBus 1 Controller
SMBus 2 Controller
0
SMB_SDMA_Req
INPUT
DMA request control from SMBus Slave
channel.
SMB_SDMA_Term
INPUT
DMA termination control from SMBus
Slave channel.
SMB_SDMA_Done
OUTPUT
DMA termination control from DMA Con-
troller to Slave channel.
1
SMB_MDMA_Req
INPUT
DMA request control from SMBus Master
channel.
SMB_MDMA_Term
INPUT
DMA termination control from SMBus Mas-
ter channel.
SMB_MDMA_Done
OUTPUT
DMA termination control from DMA Con-
troller to Master channel.
2
SMB_SDMA_Req
INPUT
DMA request control from SMBus Slave
channel.
SMB_SDMA_Term
INPUT
DMA termination control from SMBus
Slave channel.
SMB_SDMA_Done
OUTPUT
DMA termination control from DMA Con-
troller to Slave channel.
3
SMB_MDMA_Req
INPUT
DMA request control from SMBus Master
channel.
SMB_MDMA_Term
INPUT
DMA termination control from SMBus Mas-
ter channel.
SMB_MDMA_Done
OUTPUT
DMA termination control from DMA Con-
troller to Master channel.
4
SMB_SDMA_Req
INPUT
DMA request control from SMBus Slave
channel.
SMB_SDMA_Term
INPUT
DMA termination control from SMBus
Slave channel.
SMB_SDMA_Done
OUTPUT
DMA termination control from DMA Con-
troller to Slave channel.
5
SMB_MDMA_Req
INPUT
DMA request control from SMBus Master
channel.
SMB_MDMA_Term
INPUT
DMA termination control from SMBus Mas-
ter channel.
SMB_MDMA_Done
OUTPUT
DMA termination control from DMA Con-
troller to Master channel.
DS00001719D-page 260
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