Panasonic MN103001G/F01K User Manual

Page 175

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Bus Controller (BC)

8-61

(b)

Write Timing

(a)

Read Timing

Fig. 8-13-30

Access Timing on a 8-bit Bus in Asynchronous Mode and in

Address/Data Multiplex Mode (MCLK = SYSCLK multiplied by 4)

For details on the various timing settings, refer to the description of the memory control register in section 8.6,

“Description of Registers.”

A23* to 16

RE

AS

CSn

ADE

ADM15 to 0

ASA

RWSEL

MCLK

SYSCLK

WE0

“H”

BCE

BCE

ASN

ADE

ASA

ASN

EA

REN

EA

REN

Read low-order side

Read high-order side

data in

data in

A[0]=0

“0” (“L”)

A[0]=0

A[0]=1

A[0]=1

: Undefined

: A23 also serves as CS3

*

: Undefined or Hi-Z

“0” (“L”)

A23* to 16

RE

AS

CSn

ADE

ADM15 to 0

ASA

RWSEL

MCLK

SYSCLK

WE0

“H”

BCE

BCE

ASN

ADE

ASA

ASN

EA

WEN

EA

WEN

Write low-order side

Write high-order side

A[0]=0

“0” (“L”)

A[0]=1

A[0]=1

data out

A[0]=0

data out

: Undefined

: A23 also serves as CS3

*

: Undefined or Hi-Z

“0” (“L”)

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