PEF80902HV11XT Lantiq, PEF80902HV11XT Datasheet - Page 7

• Manufacturer Part Number: PEF80902HV11XT
• Manufacturer: Lantiq

Specifications of PEF80902HV11XT

• Lead Free Status / Rohs Status: Compliant

List of Figures
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Data Sheet
Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Application Example T-SMINT‚O: Standard NT1 . . . . . . . . . . . . . . . . . 12
IOM -2 Frame Structure of the T-SMINT‚O . . . . . . . . . . . . . . . . . . . . 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
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-SMINT‚O: 2B1Q . . . . . . . . . . . . 70
IEC-T/NTC-T Compatible State Machine T-SMINT‚O: 4B3T . . . . . . . . 71
External Circuitry Q- and T-SMINT‚O . . . . . . . . . . . . . . . . . . . . . . . . . 73
. . . . . . . . . . . . . . . . 60
PEF 80902
2001-11-12
Page