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H8SX1663 数据表(PDF) 256 Page - Renesas Technology Corp

部件名 H8SX1663
功能描述  Renesas 32-Bit CISC Microcomputer H8SX Family / H8SX/1600 Series
PDF  1158 Pages
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制造商  RENESAS [Renesas Technology Corp]
网页  http://www.renesas.com
标志 RENESAS - Renesas Technology Corp

H8SX1663 数据表(HTML) 256 Page - Renesas Technology Corp

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Section 6 Bus Controller (BSC)
Rev.1.00 Jun. 07, 2006 Page 204 of 1102
REJ09B0294-0100
6.6.7
DACK Signal Output Timing
For DMAC single address transfers, the
DACK signal assert timing can be modified by using the
DKC bit in BCR1.
Figure 6.24 shows the
DACK signal output timing. Setting the DKC bit to 1 asserts the DACK
signal a half cycle earlier.
T
1
T
2
Bus cycle
B
φ
Address bus
Write data
Write
Read data
Read
CSn
AS
RD
Data bus
Data bus
LHWR, LLWR
BS
RD/
WR
DKC = 0
DKC = 1
DACK
Notes: 1. n = 7 to 0
2. RDNn = 0
Figure 6.24
DACK Signal Output Timing



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