PEF80912HV14XT Lantiq, PEF80912HV14XT Datasheet - Page 7

• Manufacturer Part Number: PEF80912HV14XT
• Manufacturer: Lantiq

Specifications of PEF80912HV14XT

• Lead Free Status / Rohs Status: Supplier Unconfirmed

List of Figures
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Data Sheet
“Dependence of Outputs” on Page
Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Application Example Q-SMINT‚O: Standard NT1 . . . . . . . . . . . . . . . . 12
IOM -2 Frame Structure of the Q-SMINT‚O . . . . . . . . . . . . . . . . . . . . 14
U-Superframe Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
U-Basic Frame Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
U2B1Q Framer - Data Flow Scheme . . . . . . . . . . . . . . . . . . . . . . . . . . 17
U2B1Q Deframer - Data Flow Scheme . . . . . . . . . . . . . . . . . . . . . . . . 18
Explanation of State Diagram Notation . . . . . . . . . . . . . . . . . . . . . . . . 20
Standard NT State Machine (IEC-Q / NTC-Q Compatible) (Footnotes: see
Pulse Streams Selecting Quiet Mode . . . . . . . . . . . . . . . . . . . . . . . . . 31
S/T -Interface Line Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Frame Structure at Reference Points S and T (ITU I.430). . . . . . . . . . 33
State Diagram Notation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
State Machine NT Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Complete Activation Initiated by Exchange . . . . . . . . . . . . . . . . . . . . . 41
Complete Activation Initiated by TE . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Complete Deactivation Initiated by Exchange . . . . . . . . . . . . . . . . . . . 43
Partial Activation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Activation from LT with U Active . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Activation from TE with U Active . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Partial Deactivation with U Active . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Loop 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Test Loopbacks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Power Supply Blocking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
External Circuitry U-Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
External Circuitry S-Interface Transmitter . . . . . . . . . . . . . . . . . . . . . . 54
External Circuitry S-Interface Receiver . . . . . . . . . . . . . . . . . . . . . . . . 55
Crystal Oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Maximum Sinusoidal Ripple on Supply Voltage
Input/Output Waveform for AC Tests . . . . . . . . . . . . . . . . . . . . . . . . . . 62
IOM®-2 Interface - Bit Synchronization Timing . . . . . . . . . . . . . . . . . . 63
IOM-2 Interface - Frame Synchronization Timing . . . . . . . . . . . . . . . . 63
Reset Input Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Undervoltage Control Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
NTC-Q Compatible State Machine Q-SMINT‚O: 2B1Q . . . . . . . . . . . . 71
IEC-T/NTC-T Compatible State Machine T-SMINT‚O: 4B3T . . . . . . . . 72
External Circuitry Q- and T-SMINT‚O . . . . . . . . . . . . . . . . . . . . . . . . . 74
26)
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PEF 80912/80913
2001-03-29
Page
21