參數(shù)資料
型號(hào): LXT6155
廠(chǎng)商: Intel Corp.
英文描述: 155 Mbps SDH/SONET/ATM Transceiver
中文描述: 155速率的SDH / SONET / ATM的收發(fā)器
文件頁(yè)數(shù): 30/50頁(yè)
文件大小: 291K
代理商: LXT6155
LXT6155 — 155 Mbps SDH/SONET/ATM Transceiver
30
Datasheet
.
Table 17. Rx PLL 2, Register #9 (Address A<3:0>=1001)
Bit
Default
Mnemonic
Description
7
1
Not for customer use
6
1
Not for customer use
5:3
0.1.1
freq_det_pw
Frequency detector output pulse width ({1 to 8} * 6.43 ns)
2
1
Not for customer use
1
1
Not for customer use
0
1
Not for customer use
Table 18. Test, Register #10 (Address A<3:0>=1010)
Bit
Default
Mnemonic
Description
7
1
los_clk_ena
Enables Rx clock switching under LOS/LOCK condition:
0 = disable
1 = enable
6
0
Not for customer use
5:2
0.0.0.0
Not for customer use
1
1
Not for customer use
0
0
Not for customer use
Table 19. Register, Bias and Fuse Controls, Register #11 (Address A<3:0>=1011)
Bit
Default
Mnemonic
Description
7
0
bias_pwrdn
Power down all bias generators. This bit can be used to power down all the active
analog circuitry on the device.
0= active
1=power down
6
1
reg_reset
Register array reset, ignores remainder of transaction (active low). This register is
write only.
5:2
1.0.0.0
Not for customer use
1:0
0.0
Not for customer use
Table 20. Rx Digital 1, Register #12 (Address A<3:0>=1100)
Bit
Default
Mnemonic
Description
7
0
los_format
Combine (logical OR) LOS/LOCK function onto LOS pin:
0 = disable
1 = enable
6
1
los_amp_trim
Amplitude LOS threshold trim:
0 = Reduced ALOS dessert threshold (-3db)
1 = Nominal ALOS thresholds
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