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参数资料
型号： DS21FF42N+
厂商： Maxim Integrated Products
文件页数： 48/114页
文件大小： 0K
描述： IC FRAMER T1 4X4 16CH 300-BGA
产品培训模块： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装： 40
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： 300mA
工作温度： -40°C ~ 85°C
安装类型： 表面贴装
封装/外壳： 300-BBGA
供应商设备封装： 300-PBGA（27x27）
包装： 管件
DS21FT42/DS21FF42
39 of 114
SYMBOL
POSITION
NAME AND DESCRIPTION
RFF
CCR4.3
Receive Force Freeze. Freezes receive side signaling at
RSIG (and RSER if CCR4.7=1); will override Receive
Freeze Enable (RFE). See Section 14 for details.
0 = do not force a freeze event
1 = force a freeze event
THSE
CCR4.2
Transmit Hardware Signaling Insertion Enable. See
Section 14 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 14
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 15 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 13 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.
相关PDF资料
PDF描述
DS21FT42N IC FRAMER T1 4X3 12CH IND 300BGA
VE-24R-IX-S CONVERTER MOD DC/DC 7.5V 75W
CONREVMCX003.062-L CONN RPMCX FEM EDGE MT 0.062"EXT
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