AK7735EQ datasheet(75/142 Pages) AKM

Il numero della parte	AK7735EQ

Spiegazioni elettronici	Dual DSP with 4chADC 4chDAC 4chSRC

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Produttore elettronici	AKM [Asahi Kasei Microsystems]

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75 / 142 page

[AK7735]

016014707-E-00

2016/12

- 75 -

3. Command Format

3-1. DSP RAM Write and Read

3-1-1. Write Operation during DSP Reset

(1) Program RAM (PRAM) Write (during DSP reset)

Field

Write data

(1) COMMAND Code

0xB8 (DSP1)

/

0xB9 (DSP2)

(2) ADDRESS1

0 0 0 0 A11 A10 A9 A8

(3) ADDRESS2

A7 A6 A5 A4 A3 A2 A1 A0

(4) DATA1

0 0 0 0 D35 D34 D33 D32

(5) DATA2

D31~D24

(6) DATA3

D23~D16

(7) DATA4

D15~D8

(8) DATA5

D7~D0

Five bytes of data may be written continuously for each address.

(2) Coefficient RAM (CRAM) Write (during DSP reset)

Field

Write data

(1) COMMAND Code

0xB4 (DSP1)

/

0xB5 (DSP2)

(2) ADDRESS1

0 0 0 A12 A11 A10 A9 A8

(3) ADDRESS2

A7 A6 A5 A4 A3 A2 A1 A0

(4) DATA1

D23~D16

(5) DATA2

D15~D8

(6) DATA3

D7~D0

Three bytes of data may be written continuously for each address.

(3) Offset REG (OFREG) Write (during system reset)

Field

Write data

(1) COMMAND Code

0xB2 (DSP1)

/

0xB3 (DSP2)

(2) ADDRESS1

0 0 0 0 0 0 0 0

(3) ADDRESS2

0 0 A5 A4 A3 A2 A1 A0

(4) DATA1

0 0 0 0 0 0 0 0

(5) DATA2

0 0 D13 D12 D11 D10 D9 D8

(6) DATA3

D7~D0

Three bytes of data may be written continuously for each address.

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