MB91302ASLASHV301A datasheet(11/135 Pages) FUJI

11 / 135 page

MB91301 Series

(Continued)

Pin no.

Pin name

I/O circuit

type

Function

MB91302A

MB91V301A

Address strobe output. The pin has this function

when ASE bit of port function register 9 is enabled

“1”.

LBA

Address strobe output for burst flash ROM. The pin

has this function when ASE bit of port function

SRAS

RAS single for SDRAM. This pin has this function

when ASE bit of port function register 9 is enabled

“1”.

P94

General purpose input/output port. The pin has this

function when ASE bit of port function register 9 is

"0" general purpose port.

BAA

Address advance output for burst Flash ROM. The

pin has this function when BAAE bit of port function

SCAS

CAS signal for SDRAM. This pin has this function

when BAAE bit of port function register (PFR9) is

enabled.

P95

General purpose input/output port. The pin has this

function when BAAE bit of port function register is

general purpose port.

Memory write strobe output. This pin has this

function when WRXE bit of port function register is

enabled.

SWE

Write output for SDRAM. This pin has this function

when WRXE bit of port function register is enabled.

P96

General purpose input/output port. This pin has this

function when WRXE bit of port function register is

general purpose port.

45 to 52

54 to 61

A00 to A07

External address bits 0 to 7.

55 to 62

64 to 71

A08 to A15

External address bits 8 to 15.

64 to 67

74 to 77

A16 to A19

External address bits 16 to 19. It is available in

external bus mode.

P60 to P63

Can be used as ports when external address bus is

not used.

MB91302A/V301A データシート(PDF) 11 Page - Fuji Electric

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