DS26502LB1 Maxim Integrated Products, DS26502LB1 Datasheet - Page 52
DS26502LB1
Manufacturer Part Number
DS26502LB1
Description
Timers & Support Products E1-T1-J1-64KCC BITS Element 64kHz - G.70
Manufacturer
Maxim Integrated Products
Datasheet
1.DS26502LN.pdf
(125 pages)
Specifications of DS26502LB1
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10. I/O PIN CONFIGURATION OPTIONS
Register Name:
Register Description:
Register Address:
Bit #
Name
Default
HW
Mode
Bit 0: Output Data Format (ODF)
Bit 1: TS_8K_4 I/O Select (TSIO). This bit determines whether the TS_8K_4 pin is an input or and output. See
Bit 2: TS_8K_4 Mode Select (TSM). In T1 or E1 operation, selects frame or multiframe mode for the TS_8K_4 pin. In
6312kHz or 64KCC mode, this bit should be set = 0. See
Bit 3: Composite Clock Sync Mode_ Transmit Signaling Double-Wide Sync (CSM_TSDW). In 64 kHz Composite Clock
mode, this bit determines whether the TS_8K_4 pin is an 8kHz or a 400Hz reference input (TS_8K_4 pin in input mode,
IOCR1 = 0), or an 8kHz or 400Hz reference output (TS_8K_4 pin in output mode, IOCR1 = 1). In T1 mode, setting this bit =
1 and setting TSIO = 1 will cause the sync pulse output on TS_8K_4 to be two clocks wide during signaling frames. In E1 or
6312kHz mode this bit should be set = 0. See
Bit 4: RLOF_CCE Output Function (RLOFF). In T1 or E1 receive mode this bit determines the function of the
RLOF_CCE pin. In 64KCC or 6312kHz receive mode, this bit should be set = 0.
Bit 5: RS_8K Mode Select 1(RSMS1). In T1 or E1 receive mode, this bit selects a frame or multiframe output pulse at
RS_8K pin. IOCR.6 may be used to select other function for the RS_8K pin.
Bit 6: RS_8K Mode Select 2 (RSMS2). In T1 and E1 receive mode, this bit along with IOCR.5 selects the function of the
RS_8K pin.
Bit 7: Unused, must be set = 0 for proper operation
0 = bipolar data at TPOS and TNEG
1 = NRZ data at TPOS; TNEG = 0
0 = TS_8K_4 is an input
1 = TS_8K_4 is an output
0 = frame mode
1 = multiframe mode
0 = (CC64K) 8kHz reference, (T1) normal sync pulses
1 = (CC64K) 400Hz reference, (T1) double-wide sync pulses during signaling frames
0 = receive loss of frame (RLOF)
1 = loss-of-transmit clock (LOTC)
0 = frame mode
1 = multiframe mode
T1 Mode: (when IOCR.5 set = 0)
E1 Mode: (when IOCR.5 set = 1)
0 = do not pulse double-wide in signaling frames
1 = do pulse double-wide in signaling frames
0 = RS_8K outputs CAS multiframe boundaries
1 = RS_8K outputs CRC4 multiframe boundaries
—
7
0
0
RSMS2
IOCR1
I/O Configuration Register 1
01h
6
0
0
RSMS1
PIN 1
RSM
5
0
Table
10-1.
.
Table
RLOFF
52 of 125
4
0
0
10-1.
CSM_TSDW
3
0
0
PIN 2
TSM
TSM
2
0
TSIO
1
0
0
ODF
0
0
0
Table
10-1.
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