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參數(shù)資料
| 型號(hào)： | XRT83VSH316IB |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 70/98頁 |
| 文件大小： | 0K |
| 描述： | IC LIU SH T1/E1/J1 16CH 316STBGA |
| 標(biāo)準(zhǔn)包裝： | 60 |
| 類型： | 線路接口裝置（LIU） |
| 驅(qū)動(dòng)器/接收器數(shù)： | 16/16 |
| 規(guī)程： | T1，E1，J1 |
| 電源電壓： | 3.14 V ~ 3.47 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 316-LBGA |
| 供應(yīng)商設(shè)備封裝： | 316-STBGA（21x21） |
| 包裝： | 托盤 |
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XRT83VSH316
69
16-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
REV. 1.0.1
CLOCK SELECT REGISTER
The input clock source is used to generate all the necessary clock references internally to the LIU. The
microprocessor timing is derived from a PLL output which is chosen by programming the Clock Select Bits in
register 0x0009h. Therefore, if the clock selection bits are being programmed, the frequency of the PLL output
will be adjusted accordingly. During this adjustment, it is important to "Not" write to any other bit location within
the same register while selecting the input/output clock frequency. For best results, register 0x0009h can be
broken down into two sub-registers with the MSB being bit D4 and the LSB being bits D[3:0] as shown in
Figure 44.
NOTE: Bits D[7:5] are reserved.
FIGURE 44. REGISTER 0X0009H SUB REGISTERS
Programming Examples:
Example 1: Changing bits D[7:4]
If bit D4 is the only values within the register that will change in a WRITE process, the microprocessor only
needs to initiate ONE write operation.
Example 2: Changing bits D[3:0]
If bits D[3:0] are the only values within the register that will change in a WRITE process, the microprocessor
only needs to initiate ONE write operation.
Example 3: Changing bits within the MSB and LSB
In this scenario, one must initiate TWO write operations such that the MSB and LSB do not change within ONE
write cycle. It is recommended that the MSB and LSB be treated as two independent sub-registers. One can
either change the clock selection bits D[3:0] (LSB) and then change bit D4 (MSB) on the SECOND write, or
vice-versa. No order or sequence is necessary.
TABLE 34: MICROPROCESSOR REGISTER 0X008H BIT DESCRIPTION
GLOBAL REGISTER (0X008H)
BIT
NAME
FUNCTION
Register
Type
Default
Value
(HW reset)
D7
D6
D5
D4
D3
D2
D1
D0
LCVCNT15
LCVCNT14
LCVCNT13
LCVCNT12
LCVCNT11
LCVCNT10
LCVCNT9
LCVCNT8
Line Code Violation Byte Contents[15:8]
These bits contain the MSB (bits [15:8]) of the LCV counter con-
tents for a selected channel. The channel is addressed by using
bits D[3:0] in register 0x0005h.
RO
0
D0
D1
D2
D3
D4
D5
D6
D7
MSB
LSB
Clock Selection Bits
Reserved,
TCLKCNTL
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| XRT83VSH316IB-F | 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 16 Channel Short-Haul RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
| XRT83VSH316IB-F | 制造商:Exar Corporation 功能描述:T1/E1 LIU IC |
| XRT83VSH38 | 制造商:EXAR 制造商全稱:EXAR 功能描述:8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT |
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| XRT83VSH38IB | 功能描述:接口 - 專用 8CH SH T1/E1 Line RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59 |
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