DS21352 datasheet(48/137 Pages) DALLAS

Part #	DS21352

Description	3.3V DS21352 and 5V DS21552 T1 Single-Chip Transceivers

PDF	137 Pages

Scroll/Zoom	100%

Manufacturer	DALLAS [Dallas Semiconductor]

Direct Link	https://www.maximintegrated.com/en.html

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48 / 137 page

DS21352/DS21552

48 of 137

SR2: STATUS REGISTER 2 (Address=21 Hex)

(MSB)

(LSB)

RMF

TMF

SEC

RFDL

TFDL

RMTCH

RAF

RSC

SYMBOL

POSITION

NAME AND DESCRIPTION

RMF

SR2.7

Receive Multiframe. Set on receive multiframe boundaries.

TMF

SR2.6

Transmit Multiframe. Set on transmit multiframe boundaries.

SEC

SR2.5

One Second Timer. Set on increments of one second based on RCLK; will be set in

increments of 999 ms, 999 ms, and 1002 ms every 3 seconds.

RFDL

SR2.4

Receive FDL Buffer Full. Set when the receive FDL buffer (RFDL) fills to capacity

(8 bits).

TFDL

SR2.3

Transmit FDL Buffer Empty. Set when the transmit FDL buffer (TFDL) empties.

RMTCH

SR2.2

Receive FDL Match Occurrence. Set when the RFDL matches either RFDLM1 or

RFDLM2.

RAF

SR2.1

Receive FDL Abort. Set when eight consecutive one’s are received in the FDL.

RSC

SR2.0

Receive Signaling Change. Set when the DS21352/552 detects a change of state in

any of the robbed–bit signaling bits.

DS21352 Datasheet(PDF) 48 Page - Dallas Semiconductor

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