AD1815 Просмотр технического описания (PDF) - Analog Devices

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Компоненты Описание

производитель

AD1815

SoundComm Controller

Analog Devices 

AD1815

DRQ (0, 1, 3)

DACK (0, 1, 3)

AEN

IOR

PC_D [7:0]

tDKSU

tDRHD

tAESU

tSTW

tRDDV

tDKHD

tAEHD

tDHD1

Figure 3. DMA Read Cycle

DRQ (0, 1, 3)

DACK (0, 1, 3)

AEN

IOW

PC_D [7:0]

tDKSU

tDRHD

tAESU

tDKHD

tAEHD

tSTW

tWDSU

tDHD2

Figure 4. DMA Write Cycle

SCLK

SDFS

tPD

SDI

tFSW

tH

tS

BIT 15

SDO

BIT 15

BIT 14

tDV

BIT 14

BIT 0

BIT 0

Figure 6. DSP Port Timing

BCLK

LRCLK

tDBH

tDBP

tDLS

tDBL

SDATA

LEFT-JUSTIFIED

MODE

SDATA

I 2 S -JUSTIFIED

MODE

tDDS

MSB

tDDH

tDDS

SDATA

RIGHT-JUSTIFIED

MODE

MSB-1

MSB

tDDH

tDDS

MSB

tDDH

tDDS

LSB

tDDH

Figure 7. I2S Serial Port Timing

IOR/IOW

tBWDN

DATA [7:0]

BYTE N

N+1

N+2

Figure 5. Codec Transfers

N+3

RESET

tRPWL

Figure 8. Reset Pulse Width

–8–

REV. 0

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