cx28500 Mindspeed Technologies, cx28500 Datasheet - Page 212
cx28500
Manufacturer Part Number
cx28500
Description
Cx28500 Multichannel Synchronous Communications Controller
Manufacturer
Mindspeed Technologies
Datasheet
1.CX28500.pdf
(224 pages)
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Table E-4.
E.2
E.2.1
The CX28500 (HDLC Controller) device operates as the Slave on the Time-Slot bus, and the other device (usually
CX29503) is the Master. The Master generates TSBUS clocks and control signals and the CX28500 device
responds by transmitting data to or receiving data from the Master device. The Master generates a TSBUS Frame
Strobe (TSB_STB) on the rising edge of TSB_CLK. The Time Slot Bus frame strobe TSB_STB indicates the start
of an N time slot Frame carrying payload data, where the standard value of N is 84 (but this is configurable).
28500-DSH-002-C
GENERAL NOTE:
Framer Set No.
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
Framers with the same Set Number must be configured for the same data signal (i.e., all framers within a set must be
configured for DS1 or E1 signals but not both).
VSP Mapping of Intermixed Digital Level 2 Signals Containing Either DS1 or E1 Signals
(2 of 2)
Timing Details
Payload Bus, AC Characteristics
Framer No.
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
6
7
8
9
Mindspeed Proprietary and Confidential
Mindspeed Technologies
Framer Configured to
Extract DS1 Signal
10, 38, 66
11, 39, 67
12, 40, 68
13, 41, 69
14, 42, 70
15, 43, 71
16, 44, 72
17, 45, 73
18, 46, 74
19, 47, 75
20, 48, 76
21, 49, 77
22, 50, 78
23, 51, 79
24, 52, 80
25, 53, 81
26, 54, 82
27, 55, 83
28, 56, 84
6, 34, 62
7, 35, 63
8, 36, 64
9, 37, 65
Concatenated Time Slot Numbers
®
Framer Configured to
Extract E1 Signal
10, 31, 52, 73
11, 32, 53, 74
12, 33, 54, 75
13, 34, 55, 76
14, 35, 56, 77
15, 37, 57, 78
16, 37, 58, 79
17, 38, 59, 80
18, 39, 60, 81
19, 40, 61, 82
20, 41, 62, 83
21, 42, 63, 84
6, 27, 48, 69
7, 28, 49, 70
8, 29, 50, 71
9, 30, 51, 72
NA
NA
NA
NA
NA
NA
NA
VSP No.
TSBUS
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
6
7
8
9
197
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