参数资料
型号: DS26503LN+
厂商: Maxim Integrated Products
文件页数: 54/122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:
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)
DS26503 T1/E1/J1 BITS Element
37 of 122
Register Name:
TPCR
Register Description:
Transmit PLL Control Register
Register Address:
09h
Bit #
7
6
5
4
3
2
1
0
Name
TPLLOFS1
TPLLOFS0
PLLOS
TPLLIFS1
TPLLIFS0
TPLLSS
TCSS1
TCSS0
Default
0
HW
Mode
0
TCSS1
PIN 31
TCSS0
PIN 63
For more information on all the bits in the Transmit PLL control register, refer to Figure 3-3.
Bits 0 and 1: Transmit Clock (TX CLOCK) Source Select (TCSS[1:0]). These bits control the output of the TX PLL
Clock Mux function. See Figure 3-3.
TCSS1
TCSS0
Transmit Clock (TX CLOCK) Source
0
The TCLK pin is the source of transmit clock.
0
1
The PLL_CLK is the source of transmit clock.
1
0
The scaled signal present at MCLK as the transmit clock.
1
The signal present at RCLK is the transmit clock.
Bit 2: Transmit PLL_CLK Source Select (TPLLSS). Selects the reference signal for the TX PLL.
0 = Use the recovered network clock. This is the same clock available at the RCLK pin (output).
1 = Use the externally provided clock present at the TCLK pin.
Bit 3 and 4: Transmit PLL Input Frequency Select (TPLLIFS[0:1]). These bits are used to indicate the reference
frequency being input to the TX PLL.
TPLLIFS1
TPLLIFS0
Input Frequency
0
1.544MHz
0
1
2.048MHz
1
0
1
6312kHz
Bit 5: PLL_OUT Select (PLLOS). This bit selects the source for the PLL_OUT pin. See Figure 3-3.
0 = PLL_OUT is sourced directly from the TX PLL.
1 = PLL_OUT is the output of the TX PLL mux.
Bits 6 and 7: Transmit PLL Output Frequency Select (TPLLOFS[0:1]). These bits are used to select the TX PLL output
frequency.
TPLLOFS1
TPLLOFS0
Output Frequency
0
1.544MHz
0
1
2.048MHz
1
0
1
6312kHz
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