TQ9303
Table 5. Pin Descriptions
Symbol
BTXCKIN
BTXCKOUT
BTXD0..9
CTXWREF
I/O # of I/O
I
1
O
1
O
10
O
1
CTXCLK
I
1
CTXC0
I
1
CTXC1
I
1
CTXD0..31
I
32
CTXP0
CTXP1
CTXP2
CTXP3
I
1
I
1
I
1
I
1
CTXRAWA
I
1
CTXRAWB
I
1
CTXPERR
O
1
CTXCERR
O
1
TSTMODE
I
1
TXRAW
I
1
TXPENN
I
1
TXPMODE
I
1
PL_IDLE
I
1
BRXCLK
I
1
BRXD0..9
I
10
BRXSYNC
I
1
CRXCLK
O
1
Interface
Transmitter
Transmitter
Transmitter
Host
Host
Host
Host
Host
Host
Host
Host
Host
Host
Host
Host
Host
Host
Host
Host
Host
Host
Receiver
Receiver
Receiver
Host
Description
Takes clock from Transmitter to generate BTXCKOUT.
Used by Transmitter to clock in BTXD0..9.
Data Output.
Reference Word Clock which can be used in signaling the
host to issue a CTXCLK.
Word Clock generated from CTXCLK to clock in/out host I/O
registers. The following signals are latched by CTXCLK:
CTXP0..3, CTXC0,1, CTXRAW, CTXPENN, CTXPMODE,
CTXPERR, CTXCERR.
High indicates CTXD0..31 is an Ordered Set;
Low indicates data.
High generates CRC; low checks CRC.
Transmit data output (CTXD31 = MSB; CTXD0 = LSB).
CTXD0..7 Odd Parity input.
CTXD8..15 Odd Parity input.
CTXD16..23 Odd Parity input.
CTXD24..31 and optional CTXC0 Odd Parity input.
If TXPMODE is high, CTXP3 checks parity for
CTXD24..31 and CTXC0. If TXPMODE is low,
CTXP3 checks parity for CTXD24..31 only.
Raw data bit 19.
Raw data bit 9.
CTXPERR high indicates CTXD0..31 Parity Error.
CTXCERR high indicates CRC Error.
When in CRC Check mode, CTXC1 is low.
Normally GND. HIGH state used by vendor to monitor
delay and threshold.
High selects Raw Transmit Data mode.
Active Low Transmit Parity Enable; Tx checks Parity
when low.
If TXPMODE is high, CTXP3 generates parity for
CTXD24..31 and CTXC0. If TXPMODE is low,
CTXP3 generates parity for CTXD24..31 only.
Proprietary link idle control
Driven by RXCLK. Clocks data from BRXD0..9.
Receives RXD0..9 from Receiver.
SYNC.
CRXCLK latches CRXDO..31.
Pin Numbers
17
19
3–5, 7, 8, 10, 11, 13–15
110
112
120
119
1, 160–155, 153-151,
149–143, 141, 139–135,
133, 132, 129–122
152
142
131
121
118
117
115
116
111
107
114
108
113
21
23–26, 28–31, 33, 34
35
97
(Continued on next page)
For additional information and latest specifications, see our website: www.triquint.com
13