CS4360(2004) 查看數據表（PDF） - Cirrus Logic

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CS4360
(Rev.:2004)

24-Bit, 192 kHz 6-channel D/A Converter

Cirrus Logic 

CS4360

4.9.3a SPI Write

To write to the device, follow the procedure below while adhering to the control port Switching Specifica-

tions in section 3.

1) Bring CS low.

2) The address byte on the CDIN pin must then be 00100000.

3) Write to the memory address pointer, MAP. This byte points to the register to be written.

4) Write the desired data to the register pointed to by the MAP.

5) If the INCR bit (see section 4.9.1a) is set to 1, repeat the previous step until all the desired registers

are written, then bring CS high.

6) If the INCR bit is set to 0 and further SPI writes to other registers are desired, it is necessary to bring

CS high, and repeat the procedure detailed from step 1. If no further writes to other registers are de-

sired, bring CS high.

CS

CCLK

C D IN

CHIP

ADDRESS

0010000

MAP

DATA

R/W

MSB

LSB

byte 1 byte n

M A P = M e m o ry Ad dre ss P o in te r

Figure 21. SPI Write

28

DS517F2

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