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參數(shù)資料
| 型號： | DS21Q59LN+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 10/76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
18 of 76
8.1 Power-Up Sequence
On power-up and after the supplies are stable, the DS21Q59 should be configured for operation by writing to all the
internal registers (this includes setting the test register to 00h) since the contents of the internal registers cannot be
predicted on power-up. The LIRST (CCR5.4) should be toggled from 0 to 1 to reset the line interface circuitry. (It
takes the device about 40ms to recover from the LIRST bit being toggled.) After the SYSCLK input is stable, the
ESR bits (CCR4.5 and CCR4.6) should be toggled from 0 to 1 (this step can be skipped if the elastic store is
disabled).
Register Name:
RCR
Register Description:
Receive Control Register
Register Address:
10 Hex
Bit #
7
6
5
4
3
2
1
0
Name
RSMF
RSM
RSIO
RESE
—
FRC
SYNCE
RESYNC
NAME
BIT
FUNCTION
RSMF
7
RSYNC Multiframe Function. Only used if the RSYNC pin is programmed in the
multiframe mode (RCR.6 = 1).
0 = RSYNC outputs CAS multiframe boundaries.
1 = RSYNC outputs CRC4 multiframe boundaries.
RSM
6
RSYNC Mode Select
0 = frame mode (see the timing diagrams in Section 24.1)
1 = multiframe mode (see the timing diagrams in Section 24.1)
RSIO
5
RSYNC I/O Select. (Note: This bit must be set to 0 when RCR .4 = 0.)
0 = RSYNC is an output (depends on RCR.6)
1 = RSYNC is an input (only valid if elastic store enabled)
RESE
4
Receive Elastic Store Enable
0 = elastic store is bypassed
1 = elastic store is enabled
—
3
Unused. Should be set = 0 for proper operation.
FRC
2
Frame Resync Criteria
0 = resync if FAS received in error three consecutive times
1 = resync if FAS or bit 2 of non-FAS is received in error three consecutive times
SYNCE
1
Sync Enable
0 = auto resync enabled
1 = auto resync disabled
RESYNC
0
Resync. When toggled from low to high, a resync is initiated. Must be cleared and
set again for a subsequent resync.
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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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