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参数资料
| 型号： | DS26503LN+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 106/122页 |
| 文件大小： | 0K |
| 描述： | IC T1/E1/J1 BITS ELEMENT 64-LQFP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 160 |
| 类型： | BITS 元件，多路复用器 |
| PLL： | 是 |
| 主要目的： | T1/E1 |
| 输入： | 时钟 |
| 输出： | 时钟 |
| 电路数： | 1 |
| 比率 - 输入:输出： | 2:2 |
| 差分 - 输入:输出： | 无/无 |
| 频率 - 最大： | 6.312MHz |
| 电源电压： | 3.135 V ~ 3.465 V |
| 工作温度： | -40°C ~ 85°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 |
| 产品目录页面： | 1430 (CN2011-ZH PDF) |
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DS26503 T1/E1/J1 BITS Element
Register Address:
Bit #
Register Name:
LIC2
Register Description:
Line Interface Control 2
31h
7
6
5
4
3
2
1
0
Name
JACKS1
LIRST
IBPV
TAIS
JACKS0
—
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 will redefine the operation of the transmit line driver.
When this bit is set to a one and LIC1.5 = LIC1.6 = LIC1.7 = 0, then the device will generate 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, then the device
will force 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
1 = 2.048MHz to 1.544MHz PLL enabled
Bit 5: Insert BPV (IBPV). A zero-to-one transition on this bit will cause 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.
1 = 12.8MHz to 2.048MHz PLL enabled
Bits 2 and 7: Unused, must be set = 0 for proper operation.
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
Bit 4: Transmit Alarm Indication Signal (TAIS)
0 = transmit an unframed all-ones code
1 = transmit data normally
Bit 6: Line Interface Reset (LIRST). Setting this bit from a zero to a one will initiate 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
84 of 122
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS26503LN+ | 功能描述:计时器和支持产品 E1-T1-J1 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 |
| DS26504 | 制造商:Maxim Integrated Products 功能描述:T1/E1/J1 ENH BITS ELEMENT LQFP - Trays |
| DS26504_06 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:T1/E1/J1/64KCC BITS Element |
| DS26504DK | 功能描述:网络开发工具 DS26504 Dev Kit RoHS:否 制造商:Rabbit Semiconductor 产品:Development Kits 类型:Ethernet to Wi-Fi Bridges 工具用于评估:RCM6600W 数据速率:20 Mbps, 40 Mbps 接口类型:802.11 b/g, Ethernet 工作电源电压:3.3 V |
| 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 |
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