TMPR28051 datasheet(73/90 Pages) AGERE

73 / 90 page

Data Sheet

August 1999

TMPR28051 STS-1/AU-3 (STM-0) Mapper

Lucent Technologies Inc.

Microprocessor Interface Description (continued)

Receive J1 Path Trace Bytes (0xC0—0xFF)

Table 31. Registers 0xC0—0xFF: Receive J1 Path Trace Bytes

Note: Bits in registers 0xC0—0xFF can have one of four configurations, depending upon the setting of register

0xBF. When register 0xBF is set for BIP_CNTS = 0 and REI_CNTS = 0 and RJ1BYTE = 1, the bytes in reg-

isters 0xC0—0xFF are used to read the received 64 path trace bytes.

Transmit J1 Path Trace Bytes (0xC0—0xFF)

Table 32. Registers 0xC0—0xFF: Transmit J1 Path Trace Bytes

Note: Bits in registers 0xC0—0xFF can have one of four configurations, depending upon the setting of register

0xBF. When register 0xBF is set for BIP_CNTS = 0 and RJ1BYTE = 1 and TJ1BYTE = 1, the bytes in regis-

ters 0xC0—0xFF are used to provision the transmit 64 path trace bytes.

Address

(Hex)

Bit #

Name

Function

Reset

Default

(Hex)

0xC0—0xFF

RJ1BYTE7_[64:1]

The receive J1 path trace byte RJ1BYTE[7:0]_64 corre-

sponds to the first byte in the 64-byte sequence, while the

J1 path trace byte RJ1BYTE[7:0]_1 corresponds to the

last byte in the 64-byte sequence. These specified

receive J1 byte values are continuously written, modulo

64, into the 0xC0—0xFF registers. If any received byte

does not match the previously received byte for its loca-

tion, then TRACEER bit (bit 7) in register 0x03 is set to 1.

Value is

6RJ1BYTE6_[64:1]

5RJ1BYTE5_[64:1]

4RJ1BYTE4_[64:1]

3RJ1BYTE3_[64:1]

2RJ1BYTE2_[64:1]

1RJ1BYTE1_[64:1]

0RJ1BYTE0_[64:1]

Address

(Hex)

Bit #

Name

Function

Reset

Default

(Hex)

0xC0—0xFF

TJ1BYTE7_[64:1]

The transmit J1 path trace byte TJ1BYTE[7:0]_64 corre-

sponds to the first byte in the 64-byte sequence, while the

J1 path trace byte TJ1BYTE[7:0]_1 corresponds to the

last byte in the 64-byte sequence. These registers can be

written by the microprocessor.

Value is

6TJ1BYTE6_[64:1]

5TJ1BYTE5_[64:1]

4TJ1BYTE4_[64:1]

3TJ1BYTE3_[64:1]

2TJ1BYTE2_[64:1]

1TJ1BYTE1_[64:1]

0TJ1BYTE0_[64:1]

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