ADSP-21MSP58 Просмотр технического описания (PDF) - Analog Devices

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Компоненты Описание

производитель

ADSP-21MSP58

DSP Microcomputers

Analog Devices 

ADSP-21msp58/59

Analog Control Register

0x3FEE

15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

0000000000000000

ADC Offset

IG0

ADC Input Gain

DABY

DAC High Pass Filter Bypass

1 = bypass, 0 = insert

ADBY

ADC High Pass Filter Bypass

1 = bypass, 0 = insert

APWD

Analog Interface Powerdown

0 = powerdown, 1 = enable

(set both bits to 1

to enable analog interface)

OG2 OG1 OG0

All bits are set to 0 at processor reset.

(Reserved bits 11–15 must always be set to 0)

IG0, IG1

ADC Input Gain (for PGA)

Gain

0dB

+6dB

+20dB

+26dB

IG1 IG0

00

01

10

11

IG1

ADC Input Gain

IMS

ADC Input Multiplexer Select

1 = AUX input, 0 = NORM input

OG2, OG1, OG0

DAC Output Gain (for PGA)

Gain

+6dB

+3dB

0dB

–3dB

–6dB

–9dB

–12dB

–15dB

IG2 IG1 IG1

000

001

010

011

100

101

110

111

ADC Receive

15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

DM(0x3FED)

DAC Transmit

15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

DM(0x3FEC)

HIP Data Registers

HDR5

15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

0x3FE5

HDR4

0x3FE4

HDR3

0x3FE3

HDR2

0x3FE2

HDR1

0x3FE1

HDR0

0x3FE0

Control Registers

–16–

REV. 0

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