ttsv02622 ETC-unknow, ttsv02622 Datasheet - Page 37

• Manufacturer Part Number: ttsv02622
• Description: Sts-24 Backplane Transceiver
• Manufacturer: ETC-unknow

June 2003
Agere Systems Inc.
Register Descriptions
Table 7. Register Description (continued)
Address
(hex)
08
[3:2]
[7:5]
Bit
0
1
4
EXT PROT SW FUNC
AND Rx TOH CLOCK
EXT PROT SW EN
STS-12 SELECT
Rx TOH FRAME
ENABLE HI-Z
LVDS LPBK
CONTROL
CONTROL
Name
(bit 3)
(bit 2)
(continued)
CREG 0 = No loopback.
CREG This control signal is untracked in the TTSV02622 chip. It
CREG EXT PORT
CREG 0 = High impedance.
Type
Device Register Blocks
1 = LVDS loopback, transmit to receive on.
is a scratch bit, and its value has no effect on the
TTSV02622 chip.
1 = Enable receive TOH CLK and FP outputs.
SW EN
0
1
1
Reserved.
PROT SW
TTSV02622 STS-24 Backplane Transceiver
FUNC
EXT
—
0
1
Description
MUX is controlled by software
(1 control bit per MUX).
Output buffers are controlled
by software (1 control bit per
channel).
MUX on parallel output bus of
CH 1 is controlled by
PROT_SWITCH_A/B pin.
0 = CH 1.
1 = CH 2.
Output buffers are controlled
by software (1 control bit per
channel).
MUX is controlled by software
(1 control bit per MUX).
Output buffers on parallel out-
put bus of CH 1 and CH 2 are
controlled by
PROT_SWITCH_A/B pin.
0 = Buffers active.
1 = HI-Z.
Switching Control Master
Reset
Value
(hex)
00
00
00
00
37