MB91302APFF-G-XXX-BNDE1 datasheet(10/135 Pages) FUJI

Part #	MB91302APFF-G-XXX-BNDE1

Description	32-Bit Proprietary Microcontroller

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Manufacturer	FUJI [Fuji Electric]

Direct Link	http://www.fujielectric.co.jp/eng/fdt/scd

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10 / 135 page

MB91301 Series

10

(Continued)

Pin no.

Pin name

I/O circuit

type

Function

MB91302A

MB91V301A

33

38

WR1/ (ULB) /

DQMUL

J

External bus write strobe output. The pin has this

function when WR1 output is enabled. When WR is

used as the write strobe, this becomes the byte-

enable pin (ULB). Select signal (DQMUL) of D23 to

D16 at using of SDRAM.

P85

General purpose input/output port. The pin has this

function when the external bus write-enable output

is disabled.

34

39

WR2/ (LUB) /

DQMLU

J

External bus write strobe output. The pin has this

function when WR2 output is enabled. When WR is

used as the write strobe, this becomes the byte-

enable pin (LUB). Select signal (DQMLU) of D08 to

D05 at using of SDRAM.

P86

General purpose input/output port. The pin has this

function when the external bus write-enable output

is disabled.

35

40

WR3/ (LLB) /

DQMLL

J

External bus write strobe output. The pin has this

function when WR3 output is enabled. When WR is

used as the write strobe, this becomes the byte-

enable pin (LLB). Select signal (DQMLL) of D07 to

D00 at using of SDRAM.

P87

General purpose input/output port. The pin has this

functions when the external bus write-enable output

is disabled.

36

43

SYSCLK

C

System clock output. The pin has this function when

system clock output is enabled. This outputs the

same clock as the external bus operating frequency.

(Output halts in stop mode.)

P90

General purpose input/output port. The pin has this

function when system clock output is disabled.

37

40

MCLKE

J

Clock enable signal for memory.

P91

General purpose input/output port. The pin has this

function when clock enable output is disabled.

38

45

MCLK

C

Memory clock output. The pin has this function

when memory clock output is enabled. This outputs

the same clock as the external bus operating

frequency. (Output halts in sleep mode.)

P92

General purpose input/output port. The pin has this

function when memory clock output is disabled.

39

46

P93

C

General purpose input/output port.

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