cx28394 Conexant Systems, Inc., cx28394 Datasheet - Page 155
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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: 155 of 305
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CX28394/28395/28398
Quad/x16/Octal—T1/E1/J1 Framers
Table 3-11. Common RFSYNC and RMSYNC Configurations
Unused bits are reserved and should be written to 0.
TDL_OE
RDL_OE
INDY_OE
TCKO_OE
100054E
019—Programmable Output Enable (POE)
Thru = 0 [RSIG_CR;
addr 0D7]
Thru = 1 [RSIG_CR;
addr 0D7]
—
7
Conditions
TDLCKO Output Buffer Control—When enabled, TDLCKO is output according to DL3_TS
and DL3_BIT [addr 015, 016]. TDL_OE should be written to 1 on the CX28395 device.
RDLCKO and RDLO Output Buffer Control—When enabled, both bimodal signals are output
by their respective internal circuits. Otherwise, both outputs are placed in high impedance
state. RDL_OE should be written to 1 on the CX28395 device.
RINDO and TINDO Output Buffer Control—When enabled, both bimodal signals are output by
their respective internal circuits. Otherwise, both outputs are forced into high impedance state.
TCKO Output Buffer Control—Allows the system to connect multiple devices to a common
clock bus by providing programmable three-state control over the TCKO output buffer.
—
0 = TDLCKO output enabled
1 = TDLCKO output three-stated
0 = RDLCKO and RDLO outputs enabled
1 = RDLCKO and RDLO outputs three-stated
0 = RINDO outputs enabled
1 = RINDO outputs three-stated
0 = TCKO output enabled
1 = TCKO output three-stated
6
RFSYNC
OUT
OUT
OUT
IN
IN
IN
TDL_OE
5
RMSYNC
OUT
OUT
OUT
OUT
IN
IN
RDL_OE
4
Conexant
RSB timebase slaved to system bus RFSYNC or RMSYNC.
RSB timebase slaved to system bus RFSYNC. RMSYNC alignment
is arbitrary.
RSB timebase slaved to system bus RMSYNC. RFSYNC aligns to
TMSYNC input.
RFSYNC and RMSYNC alignment is arbitrary.
RSB timebase slaved to system bus RFSYNC. RMSYNC is aligned
with the RX timebase and can follow a change of RX multiframe
alignment without generating an alarm indication.
RMSYNC is aligned with the RX timebase and can follow a change
of RX multiframe alignment without generating an alarm
indication. RFSYNC is aligned to RMSYNC.
INDY_OE
3
TCKO_OE
3.7 Primary Control and Status Registers
Explanation
2
—
1
3.0 Registers
—
0
3-33
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