参数资料
型号: PEF80902
厂商: INFINEON TECHNOLOGIES AG
英文描述: 4B3T Second Gen. Modular ISDN NT(Ordinary)
中文描述: 4B3T二将军模块化综合业务数字网新台币(普通)
文件页数: 7/83页
文件大小: 1168K
代理商: PEF80902
PEF 80902
List of Figures
Page
Data Sheet
2001-11-12
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Figure 31
Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Application Example T-SMINTO: Standard NT1. . . . . . . . . . . . . . . . . 12
IOM
-2 Frame Structure of the T-SMINTO . . . . . . . . . . . . . . . . . . . . 14
State Diagram Example. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Awake Procedure initiated by the LT . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Awake Procedure initiated by the NT. . . . . . . . . . . . . . . . . . . . . . . . . . 24
NT State Machine (IEC-T/NTC-T Compatible). . . . . . . . . . . . . . . . . . . 26
S/T -Interface Line Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Frame Structure at Reference Points S and T (ITU I.430). . . . . . . . . . 34
State Diagram Notation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
State Machine NT Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Activation Initiated by Exchange . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Activation Initiated by TE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Deactivation (always Initiated by LT) . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Activation of Loopback #2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Test Loopbacks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Power Supply Blocking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
External Circuitry U-Transceiver with External Hybrid. . . . . . . . . . . . . 51
External Circuitry S-Interface Transmitter . . . . . . . . . . . . . . . . . . . . . . 54
External Circuitry S-Interface Receiver . . . . . . . . . . . . . . . . . . . . . . . . 54
Crystal Oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Maximum Sinusoidal Ripple on Supply Voltage . . . . . . . . . . . . . . . . 60
Input/Output Waveform for AC Tests. . . . . . . . . . . . . . . . . . . . . . . . . . 61
IOM-2 Interface - Bit Synchronization Timing . . . . . . . . . . . . . . . . . . 62
IOM-2 Interface - Frame Synchronization Timing . . . . . . . . . . . . . . . . 62
Reset Input Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Undervoltage Control Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
NTC-Q Compatible State Machine Q-SMINTO: 2B1Q . . . . . . . . . . . . 70
IEC-T/NTC-T Compatible State Machine T-SMINTO: 4B3T. . . . . . . . 71
External Circuitry Q- and T-SMINTO . . . . . . . . . . . . . . . . . . . . . . . . . 73
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