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Fpga register description, 1 code revision id - address 01h, 2 mclk source control - address 02h – Cirrus Logic CDB4245 User Manual

Page 12: Table 1. mclk2 source, Table 2. mclk1 source, Table 1. mclk2 source table 2. mclk1 source, Cdb4245

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CDB4245

12

DS656DB1

6. FPGA REGISTER DESCRIPTION

6.1

CODE REVISION ID - ADDRESS 01H

Function:

Identifies the revision of the FPGA code. This register is Read-Only.

6.2

MCLK SOURCE CONTROL - ADDRESS 02H

6.2.1

MCLK2 SOURCE (BITS 5:4)

Default = 10
Function:

These bits select the source of the CS4245 MCLK2 signal. Table 1 shows the available settings.

6.2.2

MCLK1 SOURCE (BITS 1:0)

Default = 00
Function:

This bit selects the source of the CS4245 MCLK1 signal. Table 2 shows the available settings.

7

6

5

4

3

2

1

0

Rev7

Rev6

Rev5

Rev4

Rev3

Rev2

Rev1

Rev0

7

6

5

4

3

2

1

0

Reserved

Reserved

MCLK2.1

MCLK2.0

Reserved

Reserved

MCLK1.1

MCLK1.0

Table 1. MCLK2 Source

MCLK2.1

MCLK2.0

MCLK2 Source

0

0

Oscillator 2

0

1

MCLK2 position on Header 2

1

0

CS8416 RMCK

1

1

MCLK1

Table 2. MCLK1 Source

MCLK1.1

MCLK1.0

MCLK1 Source

0

0

Oscillator 1

0

1

MCLK1 position on Header 1

1

0

Reserved

1

1

MCLK2