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

HOST Write Timing (Serial Mode)

ts

HOST output data SIN

HOST output clock SCLK

tp

tp

RxCmd

DSP Sampling from SIN

HOST send data 61H tp DSP

start

d0 d1 d2 d3

10 0 0

d4 d5

01

61H

HOST Write Timing (Serial Mode)

tp

d6 d7 stop

10

RxCmd become low when start bit is received from HOST and toggle state when MX93521 received each following

data bit or stop bit from HOST. Thus, instead of waiting for a fixed period of time (50us) to send a command bit, HOST

could send the following command bit as soon as RxCmd toggled from previous state. The delay between the falling

edge of SCLK and the RxCmd togglling time is range from 1 us to 50 us

P/N:PM0426

REV. 2.2, JAN 20, 1998

11

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