PM73487-PI PMC-Sierra Inc, PM73487-PI Datasheet - Page 10
PM73487-PI
Manufacturer Part Number
PM73487-PI
Description
622Mbps ATM traffic management device
Manufacturer
PMC-Sierra Inc
Datasheet
1.PM73487-PI.pdf
(251 pages)
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Datasheet
PM73487 QRT
PMC-Sierra, Inc.
PMC-980618
Issue 3
622 Mbps ATM Traffic Management Device
Figure 43. Cell Playout Steps. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Figure 44. Transmit Resequencing Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Figure 45. Multicast Background Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Figure 46. Multicast Pointer FIFO Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Figure 47. System Diagram of Internal QRT Blocks and External RAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Figure 48. Basic Data Path Through the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Figure 49. 503-Pin EPBGA Top and Side Views (Part 1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Figure 49. 503-Pin EPBGA Bottom View (Part 2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Figure 50. Receive UTOPIA 50 MHz Timing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Figure 51. Transmit UTOPIA 50 MHz Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Figure 52. Receive DRAM External Memory 100 MHz Read Timing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Figure 53. Receive DRAM External Memory 100 MHz Write Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Figure 54. Transmit DRAM External Memory 100 MHz Read Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Figure 55. Transmit DRAM External Memory 100 MHz Write Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Figure 56. Address Lookup RAM Read Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Figure 57. Address Lookup RAM Write Timing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Figure 58. Channel RAM Read Timing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Figure 59. Channel RAM Write Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Figure 60. AB RAM Read Timing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Figure 61. AB RAM Write Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Figure 62. QRT Bit-Level Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Figure 63. Microprocessor Read Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Figure 65. Reset Timing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Figure 66. JTAG Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Figure 67. Transmit Service Class RAM (TSC_RAM) Memory Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Figure 68. Receive Service Class RAM (RSC_RAM) Memory Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Figure 69. Virtual Output Control RAM (VO_RAM) Memory Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Figure 70. Boundary Scan Architecture. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204
Figure 71. TAP Controller Finite State Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
Figure 72. Connecting the QRT to Gigabit Ethernet Transceivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
Figure 73. Connecting the QRT to the RCMP-800 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229
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