DS2143 查看數據表（PDF） - Dallas Semiconductor -> Maxim Integrated

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产品描述 (功能)

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DS2143

E1 Controller

Dallas Semiconductor -> Maxim Integrated 

SR1: STATUS REGISTER 1 (Address=06 Hex)

(MSB)

RSA1 RDMA RSA0

SLIP

RUA1

RRA

DS2143/DS2143Q

(LSB)

RCL

RLOS

SYMBOL

RSA1

RDMA

RSA0

SLIP

RUA1

RRA

RCL

RLOS

POSITION NAME AND DESCRIPTION

SR1.7

Receive Signaling All 1s. Set when the contents of timeslot 16

contains less than 3 0s over 16 consecutive frames. This alarm is

not disabled in the CCS signaling mode.

SR1.6

Receive Distant MF Alarm. Set when bit 6 of timeslot 16 in

frame 0 has been set for 2 consecutive multiframes. This alarm

is not disabled in the CCS signaling mode.

SR1.5

Receive Signaling All 0s. Set when over a full MF, timeslot 16

contains all 0s.

SR1.4

Elastic Store Slip Occurrence. Set when the elastic store has

either repeated or deleted a frame of data.

SR1.3

Receive Unframed All 1s. Set when an unframed all 1s code is

received at RPOS and RNEG.

SR1.2

Receive Remote Alarm. Set when a remote alarm is received at

RPOS and RNEG.

SR1.1

Receive Carrier Loss. Set when 255 consecutive 0s have been

detected at RPOS and RNEG.

SR1.0

Receive Loss of Sync. Set when the device is not synchronized

to the receive E1 stream.

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