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H8SX/1663R データシート(PDF) 304 Page - Renesas Technology Corp

部品番号 H8SX/1663R
部品情報  Renesas 32-Bit CISC Microcomputer H8SX Family / H8SX/1600 Series
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メーカー  RENESAS [Renesas Technology Corp]
ホームページ  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H8SX/1663R データシート(HTML) 304 Page - Renesas Technology Corp

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Section 9 Bus Controller (BSC)
Rev. 2.00 Sep. 24, 2008 Page 272 of 1468
REJ09B0412-0200
9.9.5
Basic Timing
The bus cycle in the address/data multiplexed I/O interface consists of an address cycle and a data
cycle. The data cycle is based on the basic bus interface timing specified by the ABWCR,
ASTCR, WTCRA, WTCRB, RDNCR, and CSACR.
Figures 9.31 and 9.32 show the basic access timings.
T
ma1
T
ma2
T
2
T
1
B
φ
Address bus
D7 to D0
D7 to D0
Address cycle
Data cycle
CSn
LLWR
AH
RD
DACK or EDACK
BS
RD/
WR
Note: n = 3 to 7
Address
Read data
Address
Write data
Read
Write
Figure 9.31 8-Bit Access Space Access Timing (ABWHn = 1, ABWLn = 1)



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