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FUJITSU MB91F109 FR30 User Manual

Page 137

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4.1 Outline of Bus Interface

Bus Interface Registers

Figure 4.1.1 shows the bus interface registers.

Figure 4.1-1 Bus Interface Registers

For details on the mode register (MODR), see Section 2.10, "Operation Mode."

31

--------

24 23

--------

16 15

--------

8 7

--------

0

(Area Select

Reg. 1)

(Area Mode Reg. 1)

(Area Select

Reg. 2)

(Area Mode Reg. 2)

(Area Select

Reg. 3)

(Area Mode Reg. 3)

(Area Select

Reg. 4)

(Area Mode Reg. 4)

(Area Select

Reg. 5)

(Area Mode Reg. 5)

(ReFresh Control

Register)

(External

Pin Control

0)

(External

Pin Control

1)

(DRAMControl

Reg. 4)

(DRAMControl

Reg. 5)

ASR 1

ASR 4

ASR 3

ASR 2

ASR 5

AMR 1

AMR 5

AMR 4

AMR 3

AMR 2

AMD 0

AMD 5

AMD 1

AMD 32

AMD 4

DSCR

EPCR 0

EPCR 1

DMCR 4

DMCR 5

RFCR

MODR

LER