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PC87317VUL Datasheet, PDF (255/272 Pages) National Semiconductor (TI) – PC87317VUL/PC97317VUL SuperI/O Plug and Play Compatible with ACPI Compliant Controller/Extender
Device Specifications
TABLE 14-53. UART2 DMA Timing
Symbol
Parameter
Min
tACH
AEN Hold from RD, WR Inactive
5
tACS
AEN Signal Setup
15
tDCH
DACK Hold from RD, WR Inactive
0
tDCS
DACK Signal Setup
15
tDSW
RD, WR Pulse Width
60
tRQ
DRQ Inactive from RD, WR Active
tTCH
TC Hold from RD, WR Inactive
2
tTCS
TC Signal Setup
60
Max
1000
60
Unit
nsec
nsec
nsec
nsec
nsec
nsec
nsec
nsec
DRQ
AEN
DACK
RD, WR
TC
tDCS
tACH
tDCH
tDSW
tACS
tRQ
tTCS
tTCH
FIGURE 14-16. UART2 DMA Timing
255
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