CX28398 Conexant Systems, CX28398 Datasheet - Page 91

• Manufacturer Part Number: CX28398
• Description: (CX28394 - CX28398) Quad/x16/Octal?T1/E1/J1 Framers
• Manufacturer: Conexant Systems

CX28394/28395/28398
Quad/x16/Octal—T1/E1/J1 Framers
Figure 2-16. Transmit System Bus Waveforms
100054E
TMSYNC
TFSYNC
TSBCKI
TPCMO
TPCMI
TINDO
TINDO
TSIGI
TSIGI
X
1
1
X
X
2
2
X
Frame 48 TS 31
Frame 48 TS 24
definitions are provided in
outputs can be configured to input data on the rising or falling edge of TSBCKI
(see the Transmit System Bus Configuration register [TSB_CR; addr 0D4].
X
3
3
X
Refer to
The TSB supports five different system bus rates (MHz):
• 1.536 MHz—T1 rate, 24 time slots, without framing bits
• 1.544 MHz—T1 rate with framing bits
• 2.048 MHz—E1 rate, 32 time slots
• 4.096 MHz—twice the E1 rate, 64 time slots
• 8.192 MHz—four times the E1 rate, 128 time slots.
X
4
4
X
A
5
5
A
Figure 2-16
B
6
B
6
Conexant
C
7
C
7
for the relationship between these signals. Signal
D
8
8
D
Table 1-6, Hardware Signal
X
F
1
X
X
1
2
X
Frame 1TS 0
Frame 0 TS 1
X
2
3
X
X
3
4
X
X
5
A
4
A
5
6
B
Definitions. TSB data
B
6
7
C
2.0 Circuit Description
C
7
8
D
2.3 System Bus
D
1
X
8
X
1
2
X
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