參數(shù)資料
型號： DS21FT42N
廠商： Maxim Integrated Products
文件頁數(shù)： 48/114頁
文件大?。?/td> 0K
描述： IC FRAMER T1 4X3 12CH IND 300BGA
產(chǎn)品培訓模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝： 40
控制器類型： T1 調(diào)幀器
接口： 并行/串行
電源電壓： 2.97 V ~ 3.63 V
電流 - 電源： 225mA
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 300-BBGA
供應(yīng)商設(shè)備封裝： 300-PBGA（27x27）
包裝： 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.
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