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Chapter 5
Memory Access Control Function
Preliminary User’s Manual U15839EE1V0UM00
5.2.2 Page ROM connections
Examples of page ROM connections are shown below.
Figure 5-3:
Example of Page ROM Connections
(a) In case of 16-bit data bus width
(b) In case of 8-bit data bus width
Remark:
CSn = CS0, CS3 and CS4
A0 to A19
O1 to O16
CE
OE
16-Mbit page ROM
(1 Mword
x 16 bits)
A1 to A20
D0 to D15
CSn
RD
V850E/CA2
A0 to A20
O1 to O8
CE
OE
16-Mbit page ROM
(2 Mwords
x 8 bits)
A1 to A21
D0 to D7
CSn
RD
D8 to D15
V850E/CA2
A0 to A20
O0 to O8
CE
OE
16-Mbit page ROM
(2 Mwords
x 8 bits)
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