TABLE 51: M" />
參數(shù)資料
型號: XRT83SH314IB
廠商: Exar Corporation
文件頁數(shù): 94/101頁
文件大?。?/td> 0K
描述: IC LIU T1/E1/J1 14CH 304TBGA
標(biāo)準(zhǔn)包裝: 27
類型: 線路接口裝置(LIU)
驅(qū)動器/接收器數(shù): 14/14
規(guī)程: T1,E1,J1
電源電壓: 3.135 V ~ 3.465 V
安裝類型: 表面貼裝
封裝/外殼: 304-BBGA
供應(yīng)商設(shè)備封裝: 304-PBGA(31x31)
包裝: 托盤
XRT83SH314
88
14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
REV. 1.0.4
TABLE 51: MICROPROCESSOR REGISTER 0XE9H BIT DESCRIPTION
GLOBAL REGISTER (0XE9H)
BIT
NAME
FUNCTION
Register
Type
Default
Value
(HW reset)
D7
Reserved
This Register Bit is Not Used
R/W
0
D6
Reserved
This Register Bit is Not Used
R/W
0
D5
ALLT1/E1
T1/E1 Control
This bit is used to reduce system noise and power consumption. If
the ALL T1/E1 mode is enabled, all output clock references
(excluding the 8kHzout in E1 mode only) are internally shut off. By
default, the ALL T1/E1 mode is enabled.
0 = Enabled (reduce clock switching and power consumption)
1 = Disabled (all clock references are available)
R/W
0
D4
TCLKCNL
Transmit Clock Control
This bit is used to select the transmit output activity at TTIP/TRING
when TCLK is either pulled "Low", pulled "High", or missing.
0 = Transmit All Zeros
1 = TAOS (Transmit All Ones)
R/W
0
D3
D2
D1
D0
CLKSEL3
CLKSEL2
CLKSEL1
CLKSEL0
Clock Input Select
CLKSEL[3:0] is used to select the input clock source used as the
internal timing reference.
0000 = 2.048 MHz
0001 = 1.544 MHz
0010 = 8 kHz
0011 = 16 kHz
0100 = 56 kHz
0101 = 64 kHz
0110 = 128 kHz
0111 = 256 kHz
1000 = 4.096 Mhz
1001 = 3.088 Mhz
1010 = 8.192 Mhz
1011 = 6.176 Mhz
1100 = 16.384 Mhz
1101 = 12.352 Mhz
1110 = 2.048 Mhz
1111 = 1.544 Mhz
R/W
0
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