Copyright 1995 by Dallas Semiconductor Corporation.All Rights Reserved. For important information regardingpatents and other intellectual property r

DS2182A041995 10/22RSR2: RECEIVE STATUS REGISTER 2 Figure 10(MSB) (LSB)SEFERCLC RBLC FERR FECS OOFCS CRCCS BPVCSSYMBOL POSITION NAME AND DESCRIPTIONS

DS2182A041995 11/22CRCCS RIMR2.1 CRC Count Saturation Mask. 1 = interrupt enabled 0 = interrupt maskedBPVCS RIMR2.0 Bipolar Violation Count Saturation

DS2182A041995 12/22SYNC CRITERIA (RCR1.3)193E. Bit RCR1.3 determines which sync algorithm isutilized when resync is in progress (RLOS = 1). In 193E

DS2182A041995 13/22RCR2: RECEIVE CONTROL REGISTER 2 Figure 13(MSB) (LSB)– – BVCRF FM SFYEL B8ZS – –SYMBOL POSITION NAME AND DESCRIPTION- RCR2.7 Reser

DS2182A041995 14/22193E RECEIVE MULTIFRAME TIMING Figure 151 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17FRAME#RFSYNCRMSYNCRSIGSELRSIGFRRLCLKRABCDRLINKDA

DS2182A041995 15/22RECEIVE MULTIFRAME BOUNDARY TIMING Figure 16RCLKRPOS,RNEGRFSYNCRMSYNCRSIGSELRLCLKRCHCLKRLINKRABCDRSERRSIGFRCHANNEL 1LSB MSBFCHANNE

DS2182A041995 16/22RBV OUTPUTThe bipolar violation output transitions high when theaccused bit emerges at RSER. RBV goes low at thenext bit time if n

DS2182A041995 17/22ABSOLUTE MAXIMUM RATINGS*Voltage on Any Pin Relative to Ground -1.0V to 7.0VOperating Temperature 0°C to +70°CStorage Temperature -

DS2182A041995 18/22CHARACTERISTICS1,2 SERIAL PORT (0°C to 70°C; VDD = 5V + 10%)PARAMETER SYMBOL MIN TYP MAX UNITS NOTESSDI to SCLK Setup tDC50 nsSCL

DS2182A041995 19/22SERIAL PORT WRITE AC TIMING DIAGRAM Figure 18tCCSCLKCStSCCtCHtFtRtCWHtCCHMSBLSB1LSBtDCtCDHtCLtCDtCDHCONTROL BYTE DATA BYTESDINOTES

DS2182A041995 2/22DS2182A BLOCK DIAGRAM Figure 1SERIALPORTINTERFACEINFORMATION REGISTERSYELLOWALARMDETECTRECEIVESYNCCONTROLLERBIPOLARDECODERDATADEMUX

DS2182A041995 20/22RECEIVE AC TIMING DIAGRAM Figure 20RSTRCLKRSER, RABCD,RLINKRMSYNC, RFSYNCRSIGSEL, RSIGFRRLCLK, RCHCLKRYEL, RCL, RBVRFER, RLOSRPOS,

DS2182A041995 21/22DS2182A T1 LINE MONITOR 28-PIN DIPA128 1514BDHJFECGK13 EQUAL SPACES AT + .010TNAINCHESDIM MIN MAXA 1.445 1.470B 0.530 0.550C 0.140

DS2182A041995 22/22DS2182AQ T1 LINE MONITOR 28-PIN PLCCCH1N1 E E1 D1 D D2 E2e1CA1A2 ABL1B1INCHESDIM MIN MAXA 0.165 0.180A1 0.090 0.120A2 0.020 -B 0.

DS2182A041995 3/22PIN DESCRIPTION Table 1PIN SYMBOL TYPE DESCRIPTION6 NC – No Connect. No internal connection. This pin can be tied to either VSSor

DS2182A041995 4/22PORT PIN DESCRIPTION Table 2PIN SYMBOL TYPE DESCRIPTION1 INT O Receive Alarm Interrupt. Flags host controller during alarm conditi

DS2182A041995 5/22SERIAL PORT INTERFACEThe port pins of the DS2182A serve as a microproces-sor/microcontroller-compatible serial port. Eleven on-boar

DS2182A041995 6/22SERIAL PORT READ/WRITE Figure 3CSSCLKSDISDOR/W A0 A1 A2 A3 0 0 BM D0 D1 D2 D3 D4 D5 D6 D7ADDRESS/COMMAND DATA INPUT/OUTPUTNOTES:1.

DS2182A041995 7/22CRCCR: CRC COUNT REGISTER Figure 5(MSB) (LSB)CRC7 CRC6 CRC5 CRC4 CRC3 CRC2 CRC1 CRC0SYMBOL POSITION NAME AND DESCRIPTIONCRC7 CRCCR.7

DS2182A041995 8/22RSR1: RECEIVE STATUS REGISTER 1 Figure 8(MSB) (LSB)8ZD 16ZD RCL RYEL RLOS B8ZSD RBL COFASYMBOL POSITION NAME AND DESCRIPTION8ZD RSR

DS2182A041995 9/22RIMR1: RECEIVE INTERRUPT MASK REGISTER 1 Figure 9(MSB) (LSB)8ZD 16ZD RCL RYEL RLOS B8ZSD RBL COFASYMBOL POSITION NAME AND DESCRIPTI