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H8SX/1663M 数据表(PDF) 516 Page - Renesas Technology Corp

部件名 H8SX/1663M
功能描述  Renesas 32-Bit CISC Microcomputer H8SX Family / H8SX/1600 Series
PDF  1504 Pages
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制造商  RENESAS [Renesas Technology Corp]
网页  http://www.renesas.com
标志 RENESAS - Renesas Technology Corp

H8SX/1663M 数据表(HTML) 516 Page - Renesas Technology Corp

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Section 11 EXDMA Controller (EXDMAC)
Rev. 2.00 Sep. 24, 2008 Page 484 of 1468
REJ09B0412-0200
LSI
Data flow
External
address bus
External
data bus
EXDMAC
EDACK
EDREQ
External
memory
External device
with
DACK
Figure 11.4 Data Flow in Single Address Mode
EXDMA cycle
EDSAR
Address for external memory space
RD signal to external memory space
Data output by external memory
Address bus
B
φ
RD
WR
EDACK
ETEND
Data bus
EXDMA cycle
EDDAR
Address for external memory space
WR signal to external memory space
B
φ
Address bus
Transfer from external memory to external device with
DACK
RD
WR
EDACK
ETEND
Data bus
Data output from external device with
DACK
Transfer from external device with
DACK to external memory
High
High
Figure 11.5 Example of Timing in Single Address Mode



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