MB86330CR-ES 데이터 시트보기 (PDF) - Fujitsu

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MB86330CR-ES

16-bit Fixed-point DSP

Fujitsu 

MB86330

s PIN DESCRIPTION

Pin no.

114

Pull up

Pin name Bit I/O Active

or

pull down

Function

MCLK

1I

—

—

Master clock input

MCLK

SCKout

173

172

50,

116,

175

PM

1I

PSTOP 1 I

MOD

[2:0]

3I

(Internal system

clock)

1 machine cycle

—

Pull up Internal master clock input can be selected.

0: MCLK, 1: PLL output

H

—

PLL operation setup

0: PLL operation, 1: PLL stop

— Pull down Operating mode

MOD2 MOD1 MOD0

0

0

0

Other than above

Operating

mode

Single chip

mode

Disabled

21,

WMD

2I

— Pull down External memory WAIT mode

91

[1:0]

WMD1 SMD0

Wait

cycle

Can data be

rewritten?

0

0

0 cyc

No

0

1

5 cyc

No

1

0 15 cyc

Yes

1

1 30 cyc

Yes

174

F1

1I

—

—

Flag input 1 (level sense)

49

F0

1I

—

—

Flag input 0 (level sense)

177

XRST

1I

L

—

Reset input

222

SCKOUT 1 O

—

—

Internal system clock output

44

SCZC

1I

H Pull down Hi-z control over SCKOOUT, POUT and EA

[15:0] (SCZC = “L”)

151

BOOT

1I

H

—

Input for a BOOT mode control signal

89

BTACT

1O

H

—

Output for a BOOT mode status indication

signal

19,

PAGE

2O

—

205

[1:0]

—

Output for an external memory/page

selection control signal

67,

ST

132,

[2:0]

237

3O

—

—

Internal status output

(Continued)

7

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