STANDARD PRODUCT
PM4351 COMET
DATA SHEET
PMC-1970624
ISSUE 10
COMBINED E1/T1 TRANSCEIVER
PROPRIETARY AND CONFIDENTIAL
xv
Figure 47
- CRCE Count vs. BER (T1 ESF mode)....................................... 427
Figure 48
- CRCE Count vs. BER (T1 SF mode)......................................... 427
Figure 49
- Boundary Scan Architecture ...................................................... 428
Figure 50
- TAP Controller Finite State Machine.......................................... 430
Figure 51
- Input Observation Cell (IN_CELL) ............................................. 435
Figure 52
- Output Cell (OUT_CELL)........................................................... 436
Figure 53
- Bidirectional Cell (IO_CELL)...................................................... 436
Figure 54
- Layout of Output Enable and Bidirectional Cells........................ 437
Figure 55
- Microprocessor Read Access Timing......................................... 443
Figure 56
- Microprocessor Write Access Timing......................................... 445
Figure 57
- Backplane Transmit Input Timing Diagram................................ 447
Figure 58
- Backplane Transmit Output Timing Diagram ............................. 448
Figure 59
- Backplane Receive Input Timing Diagram................................. 450
Figure 60
- Backplane Receive Output Timing Diagram .............................. 451
Figure 61
- Digital Receive Interface Timing Diagram.................................. 453
Figure 62
- Digital Transmit Interface Timing Diagram................................. 454
Figure 63
- JTAG Port Interface Timing........................................................ 456