CDCM6208 datasheet(46/94 Pages) TI2

46 / 94 page

Reg05

Bit Number(s)

R05 .2

Device

Control

And

Status

STATUS0

STATUS1/PIN0

PDN

RESETN/PWR

SCL/PIN4

SDI/SDA/PIN1

SDO/AD0/PIN2

SCS/AD1/PIN3

SI_MODE0

15 14 13 12 11 10 9

Reg 0

15 14 13 12 11 10 9

Reg1

15 14 13 12 11 10 9

Reg2

15 14 13 12 11 10 9

Reg3

15 14 13 12 11 10 9

Reg 20

15 14 13 12 11 10 9

Reg 21

15 14 13 12 11 10 9

Reg 22

15 14 13 12 11 10 9

Reg 23

15 14 13 12 11 10 9

Reg30

15 14 13 12 11 10 9

Reg31

Device

Hardware

SPI/I2C

Port

Control/

Status Pins

SPI: SI_MODE[1:0]=00;

I2C: SI_MODE[1:0]=01;

Pin Mode: SI_MODE[1:0]=10

SI_MODE1

Comm

Select

CDCM6208

SCAS931G – MAY 2012 – REVISED JANUARY 2018

www.ti.com

Product Folder Links: CDCM6208

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8.4.5 Interface and Control

The host (DSP, Microcontroller, FPGA, etc) configures and monitors the CDCM6208 through the SPI or I2C port.

The host reads and writes to a collection of control/status bits called the register file. Typically, a hardware block

is controlled and monitored via a specific grouping of bits located within the register file. The host controls and

monitors certain device-wide critical parameters directly, through control/status pins. In the absence of a host, the

CDCM6208 can be configured to operate in pin mode where the control pins [PIN0-PIN4] can be set

appropriately to generate the necessary clock outputs out of the device.

Figure 38. CDCM6208 Interface and Control Block

Within this register space, there are certain bits that have read/write access. Other bits are read-only (an attempt

to write to a read only bit will not change the state of the bit).

8.4.5.1 Register File Reference Convention

Figure 39 shows the method this document employs to refer to an individual register bit or a grouping of register

bits. If a drawing or text references an individual bit, the format is to specify the register number first and the bit

number second. The CDCM6208 contains 21 registers that are 16 bits wide. The register addresses and the bit

positions both begin with the number zero (0). A period separates the register address and bit address. The first

bit in the register file is address 'R0.0' meaning that it is located in Register 0 and is bit position 0. The last bit in

the register file is address R31.15 referring to the 16thbit of register address 31 (the 32ndregister in the device

Figure 39. CDCM6208 Register Reference Format

CDCM6208 Datasheet(PDF) 46 Page - Texas Instruments

CDCM6208 Datasheet(HTML) 46 Page - Texas Instruments

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