參數資料
型號: DS26504L+
廠商: Maxim Integrated Products
文件頁數: 60/129頁
文件大小: 0K
描述: IC T1/E1/J1 64KCC ELEMENT 64LQFP
產品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 1
功能: BITS 元件
接口: 64KCC,E1,T1
電路數: 1
電源電壓: 3.14 V ~ 3.47 V
電流 - 電源: 150mA
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 64-LQFP
供應商設備封裝: 64-LQFP(10x10)
包裝: 托盤
包括: *
產品目錄頁面: 1430 (CN2011-ZH PDF)
DS26504 T1/E1/J1/64KCC BITS Element
36 of 129
Register Name:
TPCR1
Register Description:
Transmit PLL Control Register 1
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[0:1]). 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, along with TPLLIFS2 (TPCR2.0), are
used to indicate the reference frequency being input to the TX PLL.
TPLLIFS2
(TPCR2.0)
TPLLIFS1
TPLLIFS0
TX PLL INPUT
FREQUENCY
0
1.544MHz
0
1
2.048MHz
0
1
0
64kHz
0
1
6312kHz
1
0
8kHz
1
0
1
19.44MHz
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, along with TPLLOFS1 (TPCR2.1),
are used to select the TX PLL output frequency.
TPLLOFS2
(TPCR2.1)
TPLLOFS1
TPLLOFS0
TX PLL OUTPUT
FREQUENCY
0
1.544MHz
0
1
2.048MHz
0
1
0
64kHz
0
1
6312kHz
1
0
8kHz
1
0
1
19.44MHz
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