MX93521 Просмотр технического описания (PDF) - Macronix International

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MX93521

ALL DIGITAL VOICE RECORDER MACHINE BASED ON THE MX93521 VOCODER CHIP

Macronix International 

MX93521

5.2.4 uP Serial Mode Interface

MX93521

RxCmd

O

S/P\

I

SCLK

I

DA\

O

SOUT

O

SHOLD\

I

SIN

I

RST\

I

BIO2

O

BIO3

O

BIO4

O

BIO5

O

BIO6

O

BIO7

O

uP

IN3

Vcc

OUT1

IN1

IN2

OUT3

OUT2

OUT4

LCD

(optional) MX93521 Rxd Command Indicator

High, Serial Mode

Serial Clock

Data Available

Serial Data Output

DSP HOLD

Serial Data Input

DSP RESET

E

RS

D4

D5

D6

D7

5.2.5 uP Parallel Mode Interface

MX93521

S/P\

I

SCLK

I

PHRDB\

I

PHWRB\

I

SHOLD\

I

RST\

I

PHILO\

I

SIN

I

PACKB\

O

RxCmd

O

PHDB0

I/O

PHDB1

I/O

PHDB2

I/O

PHDB3

I/O

PHDB4

I/O

PHDB5

I/O

PHDB6

I/O

PHDB7

I/O

uP

LCD

GND

OUT1\

OUT2

OUT1

OUT3

OUT4

Vcc

IN1

IN1

IN2

D0

D1

D2

D3

D4

D5

D6

D7

Low, Parallel Mode

Read

Write

DSP HOLD

DSP RESET

High, Byte Mode

SIN should be connected to PACKB\ externally

Acknowledge

(optional) MX93521 Rxd Command Indicator

When SHOLD\ is low, MX93521 will go to power down mode.

When SHOLD\ change from low to high, DSP will power up and send ACK0 to HOST

P/N:PM0426

REV. 2.2, JAN 20, 1998

14

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