ACS8522AT View Datasheet(PDF) - Semtech Corporation

Part Name

Description

MFG CO.

ACS8522AT

Synchronous Equipment Timing Source for Stratum 3/4E/4 and SMC Systems

Semtech Corporation 

ACS8522A SETS LITE

ADVANCED COMMS & SENSING

Address (hex): 1B

FINAL

Register Name cnfg_ref_selection_priority

(SEC3)

Description

(R/W) Configures the relative

priority of input source SEC3.

DATASHEET

Default Value

*(T0) 0100 0000

*(T4) 0101 0100

Bit 7

Bit 6

Bit 5

cnfg_ref_selection_priority_SEC3

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Bit No.

Description

Bit Value Value Description

[7:4]

[3:0]

cnfg_ref_selection_priority_SEC3

This 4-bit value represents the relative priority of

input SEC3. The smaller the number, the higher the

priority; zero disables the input.

*When Bit 4 (T4_T0_select) of Reg. 4B

(cnfg_registers_source_select) = 0 the priority for

the T0 path is configured.

When this Bit 4 = 1 the priority for the T4 path is

configured.

Not used.

0000

Input SEC3 unavailable for automatic selection.

0001-1111 Input SEC3 priority value.

-

-

Address (hex): 1C

Register Name cnfg_ref_selection_priority

(SEC4)

Description

(R/W) Configures the relative

priority of input source SEC4.

Default Value

*(T0) 0000 0101

*(T4) 0000 0000

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

cnfg_ref_selection_priority_SEC4

Bit 0

Bit No.

Description

Bit Value Value Description

[7:4]

[3:0]

Not used.

cnfg_ref_selection_priority_SEC4

This 4 bit value represents the relative priority of

input SEC4. The smaller the number, the higher the

priority; zero disables the input.

*When Bit 4 (T4_T0_select) of Reg. 4B

(cnfg_registers_source_select) = 0 the priority for

the T0 path is configured.

When this Bit 4 = 1 the priority for the T4 path is

configured.

-

0000

0001-1111

-

Input SEC4 unavailable for automatic selection.

Input SEC4 priority value.

Revision 1.00/September 2007 © Semtech Corp.

Page 57

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