PEF81902FV1.1 Lantiq, PEF81902FV1.1 Datasheet - Page 10

• Manufacturer Part Number: PEF81902FV1.1
• Manufacturer: Lantiq

Specifications of PEF81902FV1.1

• Lead Free Status / RoHS Status: Supplier Unconfirmed

List of Figures
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Data Sheet
enabled 39
51
Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Application Example T-SMINT
Control via µP Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Control via IOM‚-2 Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Serial Control Interface Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Serial Command Structure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Direct/Indirect Register Address Mode . . . . . . . . . . . . . . . . . . . . . . . . 23
Reset Generation of the T-SMINT‚IX . . . . . . . . . . . . . . . . . . . . . . . . . . 24
IOM -2 Frame Structure of the T-SMINT‚IX . . . . . . . . . . . . . . . . . . . . 27
Architecture of the IOM‚-2 Handler . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Data Access via CDAx0 and CDAx1 register pairs . . . . . . . . . . . . . . . 31
Examples for Data Access via CDAxy Registers . . . . . . . . . . . . . . . . . 32
Data Access when Looping TSa from DU to DD . . . . . . . . . . . . . . . . . 33
Data Access when Shifting TSa to TSb on DU (DD) . . . . . . . . . . . . . . 34
Example for Monitoring Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Interrupt Structure of the Synchronous Data Transfer . . . . . . . . . . . . . 38
Examples for the Synchronous Transfer Interrupt Control with one STIxy
Data Strobe Signal Generation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
MONITOR Channel Protocol (IOM®-2) . . . . . . . . . . . . . . . . . . . . . . . . 43
Monitor Channel, Transmission Abort requested by the Receiver. . . . 46
Monitor Channel, Transmission Abort requested by the Transmitter. . 46
Monitor Channel, Normal End of Transmission . . . . . . . . . . . . . . . . . . 46
MONITOR Interrupt Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
CIC Interrupt Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
D-Channel Arbitration: C has no HDLC and no Direct Access to TIC Bus
Structure of Last Octet of Ch2 on DU . . . . . . . . . . . . . . . . . . . . . . . . . 52
Structure of Last Octet of Ch2 on DD . . . . . . . . . . . . . . . . . . . . . . . . . 53
State Machine of the D-Channel Arbiter (Simplified View). . . . . . . . . . 55
Deactivation of the IOM
State Diagram Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Awake Procedure initiated by the LT . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Awake Procedure initiated by the NT. . . . . . . . . . . . . . . . . . . . . . . . . . 68
NT State Machine (IEC-T/NTC-T Compatible). . . . . . . . . . . . . . . . . . . 70
Interrupt Structure U-Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
S/T -Interface Line Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Frame Structure at Reference Points S and T (ITU I.430). . . . . . . . . . 79
S-Transceiver Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
State Diagram Notation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
State Machine NT Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
®
-2 Clocks . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
®
IX: Low Cost Intelligent NT . . . . . . . . 13
PEF 81902
2001-11-12
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