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参数资料
| 型号： | DS21Q58 |
| 英文描述： | E1 Quad Transceiver |
| 中文描述： | E1四收发器 |
| 文件页数： | 17/74页 |
| 文件大小： | 647K |
| 代理商： | DS21Q58 |
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DS21Q58 E1 Quad Transceiver
17 of 74
ADDRESS
37
38
39
3A
3B
3C
3D
3E
3F
TYPE
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
NAME
SA8
SA9
SA10
SA11
SA12
SA13
SA14
SA15
SA16
FUNCTION
Signaling Access Register 8
Signaling Access Register 9
Signaling Access Register 10
Signaling Access Register 11
Signaling Access Register 12
Signaling Access Register 13
Signaling Access Register 14
Signaling Access Register 15
Signaling Access Register 16
Note 1:
The device ID register and the system clock-interface control register exist in Transceiver 1 only (TS0, TS1 = 0).
Note 2:
Only the factory uses the test register; this register must be cleared (set to all zeros) on power-up initialization to ensure proper
operation.
8. CONTROL, ID, AND TEST REGISTERS
The DS21Q58 operation is configured through a set of nine control registers. Typically, the control registers are
only accessed when the system is first powered up. Once the device has been initialized, the control registers only
need to be accessed when there is a change in the system configuration. There is one receive control register
(RCR), one transmit control register (TCR), and seven common control registers (CCR1 to CCR7). Each of these
registers is described in this section.
Address 0Fh has a device identification register (IDR). The four MSBs of this read-only register are fixed to 1 0 0 1,
indicating that a DS21Q58 E1 quad transceiver is present. The lower 4 bits of the IDR are used to identify the
revision of the device. This register exists in Transceiver 1 only (TS0, TS1 = 0).
The factory in testing the DS21Q58 uses the test register at addresses 1E. On power-up, the test register should
be set to 00h for the DS21Q58 to properly operate.
Register Name:
IDR
Register Description:
Device Identification Register
Register Address:
0F Hex
Bit #
7
6
5
4
Name
1
0
1
0
NAME
BIT
FUNCTION
1
7
Bit 7
0
6
Bit 6
1
5
Bit 5
0
4
Bit 4
ID3
3
Chip Revision Bit 3.
MSB of a decimal code that represents the chip revision.
ID2
1
Chip Revision Bit 2
ID1
2
Chip Revision Bit 1
ID0
0
Chip Revision Bit 0.
LSB of a decimal code that represents the chip revision.
3
2
1
0
ID3
ID2
ID1
ID0
相关PDF资料 |
PDF描述 |
|---|---|
| DS21Q58L | E1 Quad Transceiver |
| DS21Q58LN | E1 Quad Transceiver |
| DS21Q58 | Dallas Semiconductor |
| DS2227-70 | Flexible NV SRAM Stik |
| DS2227-100 | Flexible NV SRAM Stik |
相关代理商/技术参数 |
参数描述 |
|---|---|
| DS21Q58L | 功能描述:网络控制器与处理器 IC Quad E1 Transceiver RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray |
| DS21Q58L+ | 功能描述:网络控制器与处理器 IC Quad E1 Transceiver RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray |
| DS21Q58LN | 功能描述:网络控制器与处理器 IC RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray |
| DS21Q58LN+ | 功能描述:网络控制器与处理器 IC Quad E1 Transceiver RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray |
| DS21Q59 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:RELIABILITY REPORT FOR DS21Q59, REV A2 |
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