參數(shù)資料
型號: DS21352L
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: Digital Transmission Interface
英文描述: DATACOM, PCM TRANSCEIVER, PQFP100
封裝: 14 X 14 MM, LQFP-100
文件頁數(shù): 68/139頁
文件大?。?/td> 1208K
代理商: DS21352L
DS21352/DS21552
34 of 137
TCR2: TRANSMIT CONTROL REGISTER 2 (Address=36 Hex)
(MSB)
(LSB)
TEST1
TEST0
TZBTSI
TSDW
TSM
TSIO
TD4YM
TB7ZS
SYMBOL
POSITION
NAME AND DESCRIPTION
TEST1
TCR2.7
Test Mode Bit 1 for Output Pins. See Table 6-2..
TEST0
TCR2.6
Test Mode Bit 0 for Output Pins. See Table 6-2.
TZBTSI
TCR2.5
Transmit Side ZBTSI Support Enable. Allows ZBTSI information to be input on
TLINK pin.
0 = ZBTSI disabled
1 = ZBTSI enabled
TSDW
TCR2.4
TSYNC Double–Wide. (note: this bit must be set to zero when TCR2.3=1 or when
TCR2.2=0)
0 = do not pulse double–wide in signaling frames
1 = do pulse double–wide in signaling frames
TSM
TCR2.3
TSYNC Mode Select. Selects frame or multiframe mode for the TSYNC pin. See the
timing in Section 21
0 = frame mode
1 = multiframe mode
TSIO
TCR2.2
TSYNC I/O Select.
0 = TSYNC is an input
1 = TSYNC is an output
TD4YM
TCR2.1
Transmit Side D4 Yellow Alarm Select.
0 = zeros in bit 2 of all channels
1 = a one in the S–bit position of frame 12
TB7ZS
TCR2.0
Transmit Side Bit 7 Zero Suppression Enable.
0 = no stuffing occurs
1 = Bit 7 force to a one in channels with all zeros
Table 6-2 OUTPUT PIN TEST MODES
TEST 1
TEST 0
EFFECT ON OUTPUT PINS
0
operate normally
0
1
force all output pins into 3–state (including all I/O pins and parallel port pins)
1
0
force all output pins low (including all I/O pins except parallel port pins)
1
force all output pins high (including all I/O pins except parallel port pins)
相關(guān)PDF資料
PDF描述
DS21352LN DATACOM, PCM TRANSCEIVER, PQFP100
DS21552L DATACOM, PCM TRANSCEIVER, PQFP100
DS21552LN DATACOM, PCM TRANSCEIVER, PQFP100
DS21354L DATACOM, PCM TRANSCEIVER, PQFP100
DS21354LN DATACOM, PCM TRANSCEIVER, PQFP100
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