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HD6413003RF Datasheet, PDF (165/715 Pages) Renesas Technology Corp – Microcontroller (MCU)
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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
address output
A23 to A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0
Address signals during M9/M8 = 0 A23 to A10 A9 A9 A16 A15 A14 A13 A12 A11 A10 A0
column address output M9/M8 = 1 A23 to A10 A18 A17 A16 A15 A14 A13 A12 A11 A10 A0
ø
Address
bus
A23 to A 9 , A 0
A8 to A 1
T1
T2
T3
A 23 to A 9, A 0
A 8 to A1
Row address
a. M9/M8 = 0
A16 to A9
Column address
ø
Address
bus
A 23 to A10, A 0
A9 to A 1
T1
T2
T3
A 23 to A10, A 0
A 9 to A1
Row address
b. M9/M8 = 1
A18 to A10
Column address
Figure 7-4 Multiplexed Address Output (Example without Wait States)
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