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M30620ECFS Datasheet(PDF) 544 Page - Renesas Technology Corp

No. de pieza M30620ECFS
Descripción Electrónicos  16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY
PDF  621 Pages
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Fabricante Electrónico  RENESAS [Renesas Technology Corp]
Página de inicio  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

M30620ECFS Datasheet(HTML) 544 Page - Renesas Technology Corp

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External Buses
Mitsubishi microcomputers
M16C / 62 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
529
Figure 5.4.9. Chip selects and address bus
CS2
D0 to D7
A0 to A17
M16C/62 Group
0000016
0800016
1000016
1800016
2000016
3000016
0FFFF16
17FFF16
1FFFF16
2FFFF16
FFFFF16
IC0
IC1
IC2
IC3
A15
A16
A17
Y2
Y3
Y4
74HC138
1
2
3
4
5
6
8
16
14
13
12
11
IC0
A9
A8
A7
M5M5278
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
A6
A5
A4
A3
A2
A1
A0
D0
D1
D2
A10
A11
A12
A13
A14
Y1
D7
D6
D5
D4
D3
Y4
IC3
A0 to A14
M5M5278
D0 to D7
CNVS
S
BYTE
WR
RD
CS2
Y1
Memory map
.....
5.4.8 Chip Selects and Address Bus
When there are insufficient chip select signals, it is necessary to generate chip selects externally. Figure
5.4.9 shows an example of a connection in which the CS2 area is divided into four 32K byte areas.



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