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參數(shù)資料
| 型號： | DS21Q59LN+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 38/76頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX E1 QUAD 100-LQFP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 90 |
| 類型： | 收發(fā)器 |
| 驅(qū)動器/接收器數(shù)： | 4/4 |
| 規(guī)程： | E1 |
| 電源電壓： | 4.75 V ~ 5.25 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 100-LQFP |
| 供應(yīng)商設(shè)備封裝： | 100-LQFP（14x14） |
| 包裝： | 托盤 |
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DS21Q59 Quad E1 Transceiver
43 of 76
19.
ADDITIONAL (Sa) AND INTERNATIONAL (Si) BIT OPERATION
On the receiver, the RAF and RNAF registers always report the data as it is received in the additional (Sa) and
international (Si) bit locations. The RAF and RNAF registers are updated with the setting of the receive align frame
bit in status register 2 (SR2.6). The host can use the SR2.6 bit to know when to read the RAF and RNAF registers.
It has 250
ms to retrieve the data before it is lost.
On the transmitter, data is sampled from the TAF and TNAF registers with the setting of the transmit align frame bit
in status register 2 (SR2.3). The host can use the SR2.3 bit to know when to update the TAF and TNAF registers. It
has 250
ms to update the data or else the old data is retransmitted. Data in the Si bit position is overwritten if either
the framer is programmed (1) to source the Si bits from the TSER pin, (2) in the CRC4 mode, or if the framer (3)
has automatic E-bit insertion enabled. Data in the Sa bit position is overwritten if any of the TCR.3–TCR.7 bits are
set to 1. Please see the TCR register descriptions for more details.
Register Name:
RAF
Register Description:
Receive Align Frame Register
Register Address:
28 Hex
Bit #
7
6
5
4
3
2
1
0
Name
Si
0
1
0
1
NAME
BIT
FUNCTION
Si
7
International Bit
0
6
Frame Alignment Signal Bit
0
5
Frame Alignment Signal Bit
1
4
Frame Alignment Signal Bit
1
3
Frame Alignment Signal Bit
0
2
Frame Alignment Signal Bit
1
Frame Alignment Signal Bit
1
0
Frame Alignment Signal Bit
Register Name:
RNAF
Register Description:
Receive Nonalign Frame Register
Register Address:
29 Hex
Bit #
7
6
5
4
3
2
1
0
Name
Si
1
A
Sa4
Sa5
Sa6
Sa7
Sa8
NAME
BIT
FUNCTION
Si
7
International Bit
1
6
Frame Nonalignment Signal Bit
A
5
Remote Alarm
Sa4
4
Additional Bit 4
Sa5
3
Additional Bit 5
Sa6
2
Additional Bit 6
Sa7
1
Additional Bit 7
Sa8
0
Additional Bit 8
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS21Q59LN+ | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC Quad E1 Transceiver RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| DS21S07A | 制造商:Maxim Integrated Products 功能描述: |
| DS21S07AE | 功能描述:SCSI 接口集成電路 RoHS:否 制造商:Texas Instruments 工作電源電壓:2.7 V to 5.25 V 電源電流:13 mA 最大工作溫度:+ 70 C 最小工作溫度:0 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SSOP-36 封裝:Tube |
| DS21S07AE/T | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:SCSI Terminator |
| DS21S07AE/T&R | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: 制造商:Maxim Integrated Products 功能描述:IC TERMINATOR SCSI 20-TSSOP |
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