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T0061-01

CTRL_DATA

CTRL_LE

CTRL_CLK

t

h2

t

su5

t

su6

t

4

t

7

t

su1

t

3

Bit31 (MSB)

Bit2

Bit1

Bit0

Bit30

CDCM7005

SCAS793A – JUNE 2005 – REVISED JUNE 2005

PARAMETER MEASUREMENT INFORMATION (continued)

Figure 14. Timing Diagram SPI Control Interface

The SPI serial protocol accepts word Write operation only. There is neither a read, acknowledge, nor a

handshake operation.

The following four words include the register settings of the programmable functions of the CDCM7005. It can be

modified to the customer application by changing one or more bits. It comes up with a default register setting

after power up or if the power down (PD) control signal is applied. The default setting is shown in column five of

the following words.

A low active function is shown as [0] and a high active function is shown as [1].

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