参数资料
型号: DS2151QNB
厂商: MAXIM INTEGRATED PRODUCTS INC
元件分类: Digital Transmission Controller
英文描述: DATACOM, FRAMER, PQCC44
封装: 0.652 INCH, PLASTIC, LCC-44
文件页数: 5/62页
文件大小: 921K
代理商: DS2151QNB
DS2151Q
13 of 60
TCR2: TRANSMIT CONTROL REGISTER 2 (Address = 36 Hex)
(MSB)
(LSB)
TEST1
TEST0
TZBTSI
TSDW
TSM
TSIO
TD4YM
B7ZS
SYMBOL
POSITION
NAME AND DESCRIPTION
TEST1
TCR2.7
Test Mode Bit 1 for Output Pins. See Table 4-1.
TEST0
TCR2.6
Test Mode Bit 0 for Output Pins. See Table 4-1.
TZBTSI
TCR2.5
Transmit Side ZBTSI Enable.
0 = ZBTSI disabled
1 = ZBTSI enabled
TSDW
TCR2.4
TSYNC Double-Wide. (Note: This bit must be set to 0 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.
0 = frame mode (see the timing in Section 14)
1 = multiframe mode (see the timing in Section 14)
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 = 0s in bit 2 of all channels
1 = 1 in the S-bit position of frame 12
B7ZS
XTCR2.0
Bit 7 Zero Suppression Enable.
0 = No stuffing occurs
1 = Bit 7 force to a 1 in channels with all 0s
Table 4-1. Output Pin Test Modes
TEST1
TEST0
EFFECT ON OUTPUT PINS
0
Operate normally
0
1
Force all output pins tri-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)
相关PDF资料
PDF描述
DS2151QB DATACOM, FRAMER, PQCC44
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