PM5345 datasheet(82/196 Pages) PMC

82 / 196 page

PM5345 S/UNI-155

DATA SHEET

PMC-930305

ISSUE 4

SATURN USER NETWORK INTERFACE

PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE

Bit

Type

Function

Default

Bit 7

Unused

Bit 6

Unused

Bit 5

Unused

Bit 4

Unused

Bit 3

Unused

Bit 2

Unused

Bit 1

RCLKA

Bit 0

POCLKA

This register provides activity monitoring on S/UNI clock inputs. When a

monitored input makes a low to high transition, the corresponding register bit is

set high. The bit will remain high until this register is read, at which point, all the

bits in this register are cleared. A lack of transitions is indicated by the

corresponding register bit reading low. This register should be read at periodic

intervals to detect clock failures. Depending on the selected interface (bit serial

or byte serial), this register monitors activity on the PICLK and TCLK inputs, or

the RXC+/- and TXCI+/- inputs.

POCLKA:

The POCLK active (POCLKA) bit monitors for low to high transitions on the

POCLK output. POCLKA is set high on a rising edge of POCLK, and is set

low when this register is read.

RCLKA:

The RCLK active (RCLKA) bit monitors for low to high transitions on the

RCLK output. RCLKA is set high on a rising edge of RCLK, and is set low

when this register is read.

PM5345 Datasheet(PDF) 82 Page - PMC-Sierra, Inc

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