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参数资料
| 型号： | DS26504L+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 116/129页 |
| 文件大小： | 0K |
| 描述： | IC T1/E1/J1 64KCC ELEMENT 64LQFP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 功能： | BITS 元件 |
| 接口： | 64KCC，E1，T1 |
| 电路数： | 1 |
| 电源电压： | 3.14 V ~ 3.47 V |
| 电流 - 电源： | 150mA |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 64-LQFP |
| 供应商设备封装： | 64-LQFP（10x10） |
| 包装： | 托盘 |
| 包括： | * |
| 产品目录页面： | 1430 (CN2011-ZH PDF) |
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DS26504 T1/E1/J1/64KCC BITS Element
87 of 129
Register Name:
LIC2
Register Description:
Line Interface Control 2
Register Address:
31h
Bit #
7
6
5
4
3
2
1
0
Name
JACKS1
LIRST
IBPV
TAIS
JACKS0
RCCFE
SCLD
CLDS
Default
0
HW
Mode
0
TAIS
PIN 10
JACKS0
PIN 46
0
Bit 0: Custom Line-Driver Select (CLDS). Setting this bit to a one redefines the operation of the transmit line driver. When
this bit is set to a one and LIC1.5 = LIC1.6 = LIC1.7 = 0, the device generates a square wave at the TTIP and TRING outputs
instead of a normal waveform. When this bit is set to a one and LIC1.5 = LIC1.6 = LIC1.7
≠ 0, the device forces TTIP and
TRING outputs to become open-drain drivers instead of their normal push-pull operation. This bit should be set to zero for
normal operation of the device.
Bit 1: Short Circuit Limit Disable (in E1 mode) (SCLD). Controls the 50mA (RMS) current limiter.
0 = enable 50mA current limiter
1 = disable 50mA current limiter
Bit 2: Receive Composite Clock Filter Enable (RCCFE) (64KCC mode only). Setting this bit enables the PLL filter on the
received 64kHz composite clock. Note: The 8kHz and 400Hz output are not filtered.
0 = Receive Composite Clock Filter disabled
1 = Receive Composite Clock Filter enabled
Bit 3: Jitter Attenuator Clock Select 0 (JACKS0). This bit, along with JACKS1 (LIC2.7), MPS0 (LIC4.6), and MPS1
(LIC4.7), controls the source for JA CLOCK from the MCLK pin. Note: This bit must be configured even if the jitter
attenuator is disabled. The clock and data recovery engine also uses the JA CLOCK. Setting this bit enables the 2.048MHz to
1.544MHz conversion PLL for T1 applications. See the table in the LIC4 register description for more details on setting up the
JA CLOCK source.
0 = 2.048MHz to 1.544MHz PLL bypassed
1 = 2.048MHz to 1.544MHz PLL enabled
Bit 4: Transmit Alarm Indication Signal (TAIS). In T1, E1, or J1 modes, this bit causes an all-ones pattern to be
transmitted.
0 = transmit an unframed all-ones code
1 = transmit data normally
In all 64KCC modes, this bit disables the BPV-encoded sub-rates.
0 = transmit all ones without BPVs
1 = transmit normal 64KCC
Bit 5: Insert BPV (IBPV). A zero-to-one transition on this bit causes a single BPV to be inserted into the transmit data
stream. Once this bit has been toggled from a zero to a one, the device waits for the next occurrence of three consecutive ones
to insert the BPV. This bit must be cleared and set again for a subsequent error to be inserted.
Bit 6: Line Interface Reset (LIRST). Setting this bit from a zero to a one initiates an internal reset that resets the clock
recovery state machine and recenters the jitter attenuator. Normally this bit is only toggled on power-up. Must be cleared and
set again for a subsequent reset.
Bit 7: Jitter Attenuator Clock Select 1 (JACKS1). This bit, along with JACKS0 (LIC2.3), MPS0 (LIC4.6), and MPS1
(LIC4.7), controls the source for JA CLOCK from the MCLK pin. Note: This bit must be configured even if the jitter
attenuator is disabled. The clock and data recovery engine also uses the JA CLOCK. Setting this bit enables the 12.8MHz to
2.048MHz conversion PLL. See the table in the LIC4 register description for more details on setting up the JA CLOCK source.
0 = 12.8MHz to 2.048MHz PLL bypassed
1 = 12.8MHz to 2.048MHz PLL enabled
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS26504L+ | 功能描述:计时器和支持产品 E1/T1/J1/64Kcc Bits Element RoHS:否 制造商:Micrel 类型:Standard 封装 / 箱体:SOT-23 内部定时器数量:1 电源电压-最大:18 V 电源电压-最小:2.7 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Reel |
| DS26504LN | 功能描述:计时器和支持产品 E1/T1/J1/64Kcc Bits Element RoHS:否 制造商:Micrel 类型:Standard 封装 / 箱体:SOT-23 内部定时器数量:1 电源电压-最大:18 V 电源电压-最小:2.7 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Reel |
| DS26504LN+ | 功能描述:计时器和支持产品 E1/T1/J1/64Kcc Bits Element RoHS:否 制造商:Micrel 类型:Standard 封装 / 箱体:SOT-23 内部定时器数量:1 电源电压-最大:18 V 电源电压-最小:2.7 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Reel |
| DS26504LN+T&R | 制造商:Maxim Integrated Products 功能描述:T1/E1/J1 ENH BITS IC LQFP LF T&R - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC T1/E1/J1 64KCC ELEMENT 64LQFP |
| DS26504LN+T&R | 功能描述:网络控制器与处理器 IC E1/T1/J1/64Kcc Bits Element 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 |
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