SI3233-X-FM 查看數據表（PDF） - Silicon Laboratories

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SI3233-X-FM

PROSLIC® PROGRAMMABLE CMOS SLIC WITH RINGING/BATTERY VOLTAGE GENERATION

Silicon Laboratories 

Si3233

Register 0. SPI Mode Select

Bit

D7

D6

D5

D4

D3

D2

D1

D0

Name SPIDC SPIM

PNI[1:0]

RNI[3:0]

Type R/W

R/W

R

R

Reset settings = 00xx_xxxx

Bit

Name

Function

7

SPIDC SPI Daisy Chain Mode Enable.

0 = Disable SPI daisy chain mode.

1 = Enable SPI daisy chain mode.

6

SPIM

SPI Mode.

0 = Causes SDO to tri-state on rising edge of SCLK of LSB.

1 = Normal operation; SDO tri-states on rising edge of CS.

5:4 PNI[1:0] Part Number Identification.

00 = Si3233

01 = Reserved

10 = Reserved

11 = Si3233M

3:0 RNI[3:0] Revision Number Identification.

0001 = Revision A, 0010 = Revision B, 0011 = Revision C, etc.

42

Preliminary Rev. 0.5

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