MT9075AL datasheet(48/78 Pages) MITEL

48 / 78 page

MT9075A

Preliminary Information

4-176

Table 46 - PRBS Error Counter

(Page 04H, Address 10H)

Bit

Name

Functional Description

7 - 0

PS7-0

PRBS Error Counter. This counter

is incremented for each PRBS error

detected on any of the receive

channels connected to the PRBS

error detector.

Bit

Name

Functional Description

7 - 0

PSM7-0 CRC

Multiframe

Counter

for

PRBS. This counter is incremented

for each received CRC multiframe.

It is cleared when the PRBS Error

Counter is written to.

Table 47 - CRC Multiframe Counter for PRBS

(Page 04H, Address 11H)

Bit

Name

Functional Description

7 - 0

IV7 -IV0

Interrupt

Vector.

The

interrupt

vector status word contains an

interrupt vector that indicates the

category of the last interrupt as

shown in Table 11.

Table 48 - Interrupt Vector Status Word

(Page 04H, Address 12H)

Bit

Name

Functional Description

7 - 2

---

Unused

1 - 0

EC9-8

E Bit Error Counter. The most

significant 2 bits of the E bit error

counter.

Table 49 - E bit Error Counter

(Page 04H, Address 13H)

Bit

Name

Functional Description

7 - 0

EC7-0

E bit Error Counter. The least

significant eight bits of the E-bit

error counter.

Table 50 - E bit Error Counter

(Page 04H, Address 14H)

Bit

Name

Functional Description

7 - 0

JFC7

JFC0

Jitter FIFO Counter. This is an 8 bit

counter that is incremented when

the FIFO read pointer comes within

4 words of an underflow or overflow

condition. During this time the read

clock will abruptly slow-down or

speed-up to avoid an overflow or

underflow condition.

Table 51 - Jitter FIFO Counter

(Page 04H, Address 15H)

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