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H8/3002 Datasheet(PDF) 166 Page - Renesas Technology Corp

Part # H8/3002
Description  Microcomputer
PDF  700 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H8/3002 Datasheet(HTML) 166 Page - Renesas Technology Corp

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Address Multiplexing: Address multiplexing depends on the setting of the M9/
M8 bit in
RFSHCR, as described in table 7-5. Figure 7-4 shows the address output timing. Address output is
multiplexed only in area 3.
Table 7-5 Address Multiplexing
Address Pins
A23 to A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0
Address signals during row
A23 to A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0
address output
M9/
M8 = 0 A23 to A10 A9 A9 A16 A15 A14 A13 A12 A11 A10 A0
M9/
M8 = 1 A23 to A10 A18 A17 A16 A15 A14 A13 A12 A11 A10 A0
Figure 7-4 Multiplexed Address Output (Example without Wait States)
Address signals during
column address output
ø
A
to A , A
A to A
23
9
0
8
1
T1
T2
T3
A to A
Row address
8
1
A
to A
Column address
16
9
A
to A , A
23
9
0
Address
bus
ø
A
to A , A
A to A
23
10
0
9
1
T1
T2
T3
A to A
Row address
9
1
A
to A
Column address
18
10
A
to A , A
23
10
0
Address
bus
a. M9/
= 0
M8
b. M9/
= 1
M8
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