cx28394 Conexant Systems, Inc., cx28394 Datasheet - Page 15
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cx28394
Manufacturer Part Number
cx28394
Description
Quad/x16/octal-t1/e1/j1 Framers
Manufacturer
Conexant Systems, Inc.
Datasheet
1.CX28394.pdf
(305 pages)
- Current page: 15 of 305
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CX28394/28395/28398
Quad/x16/Octal—T1/E1/J1 Framers
List of Figures
100054E
Figure 1-1.
Figure 1-2.
Figure 1-3.
Figure 1-4.
Figure 1-5.
Figure 1-6.
Figure 1-7.
Figure 1-8.
Figure 1-9.
Figure 1-10.
Figure 1-11.
Figure 1-12.
Figure 2-1.
Figure 2-2.
Figure 2-3.
Figure 2-4.
Figure 2-5.
Figure 2-6.
Figure 2-7.
Figure 2-8.
Figure 2-9.
Figure 2-10.
Figure 2-11.
Figure 2-12.
Figure 2-13.
Figure 2-14.
Figure 2-15.
Figure 2-16.
Figure 2-17.
Figure 2-18.
Figure 2-19.
Figure 2-20.
Figure 2-21.
Figure 2-22.
Figure 2-23.
Figure 2-24.
Figure 2-25.
Figure 2-26.
Figure 2-27.
RSB 4096K Bus Mode Time Slot Interleaving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-26
RSB 8192K Bus Mode Time Slot Interleaving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-26
TSB Interface Block Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-32
CX28395 Functional Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
CX28394 128-pin TQFP Pinout Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
CX28395 318-pin BGA Pinout Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
CX28398 208-pin PQFP Pinout Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
CX28398 208-pin CABGA Pinout Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
CX28398 272-pin BGA Pinout Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
CX28394 Logic Diagram (Non-Multiplexed System Bus Mode) . . . . . . . . . . . . . . . . . . . . 1-25
CX28394 Logic Diagram (Multiplexed System Bus Mode) . . . . . . . . . . . . . . . . . . . . . . . . 1-26
CX28398 Logic Diagram (Non-Multiplexed System Bus Mode) . . . . . . . . . . . . . . . . . . . . 1-27
CX28398 Logic Diagram (Multiplexed System Bus Mode) . . . . . . . . . . . . . . . . . . . . . . . . 1-28
CX28395 Logic Diagram (Non-Multiplexed System Bus Mode) . . . . . . . . . . . . . . . . . . . . 1-29
CX28395 Logic Diagram (Multiplexed System Bus Mode) . . . . . . . . . . . . . . . . . . . . . . . . 1-30
Detailed Framer Block Diagram (Multiplexed System Bus Mode) . . . . . . . . . . . . . . . . . . . . 2-2
Detailed Framer Block Diagram (Non-multiplexed System Bus Mode) . . . . . . . . . . . . . . . . 2-3
RCVR Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Receive External Data Link Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15
Polled Receive Data Link Processing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18
Interrupt-Driven Receive Data Link Processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19
Externally Multiplexed Configuration Examples. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22
Internally Multiplexed Configuration Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-24
RSB Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-25
RSB Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-27
T1 Line to E1 System Bus Time Slot Mapping. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-29
G.802 Embedded Framing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-31
Transmit System Bus Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-33
TSB 4096K Bus Mode Time Slot Interleaving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-34
TSB 8192K Bus Mode Time Slot Interleaving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-34
Transmit Framing and Timebase Alignment Options. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-37
XMTR Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-40
Transmit External Data Link Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-41
Polled Transmit Data Link Processing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-44
Interrupt-Driven Transmit Data Link Processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-45
Zero Code Substitution Formats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-52
Transmit Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-53
NRZ Mode Transmit Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-54
Microprocessor Interface Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-55
Conexant
List of Figures
xv
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