参数资料
型号: DS21Q42T+
厂商: Maxim Integrated Products
文件页数: 46/116页
文件大小: 0K
描述: IC FRAMER ENHANCED T1 4X 128TQFP
标准包装: 72
控制器类型: T1 调帧器
接口: 并行/串行
电源电压: 2.97 V ~ 3.63 V
电流 - 电源: 75mA
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 128-LQFP
供应商设备封装: 128-LQFP(14x20)
包装: 管件
DS21Q42
35 of 116
SYMBOL
POSITION
NAME AND DESCRIPTION
THSE
CCR4.2
Transmit Hardware Signaling Insertion Enable. See Section 10
for details.
0 = do not insert signaling from the TSIG pin into the data stream
presented at the TSER pin.
1 = Insert the signaling from the TSIG pin into data stream
presented at the TSER pin.
TPCSI
CCR4.1
Transmit Per–Channel Signaling Insert. See Section 10 for
details.
0 = do not use TCHBLK to determine which channels should have
signaling inserted from the TSIG pin.
1 = use TCHBLK to determine which channels should have
signaling inserted from the TSIG pin.
TIRFS
CCR4.0
Transmit Idle Registers (TIR) Function Select. See Section 11
for timing details.
0 = TIRs define in which channels to insert idle code
1 = TIRs define in which channels to insert data from RSER (i.e.,
Per = Channel Loopback function)
CCR5: COMMON CONTROL REGISTER 5 (Address=19 Hex)
(MSB)
(LSB)
TJC
TCM4
TCM3
TCM2
TCM1
TCM0
SYMBOL
POSITION
NAME AND DESCRIPTION
TJC
CCR5.7
Transmit Japanese CRC6 Enable.
0 = use ANSI/AT&T/ITU CRC6 calculation (normal operation)
1 = use Japanese standard JT–G704 CRC6 calculation
CCR5.6
Not Assigned. Must be set to zero when written.
CCR5.5
Not Assigned. Must be set to zero when written.
TCM4
CCR5.4
Transmit Channel Monitor Bit 4. MSB of a channel decode that
determines which transmit channel data will appear in the TDS0M
register. See Section 9 for details.
TCM3
CCR5.3
Transmit Channel Monitor Bit 3.
TCM2
CCR5.2
Transmit Channel Monitor Bit 2.
TCM1
CCR5.1
Transmit Channel Monitor Bit 1.
TCM0
CCR5.0
Transmit Channel Monitor Bit 0. LSB of the channel decode.
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