DS92UT16 Datasheet, PDF (85/111 Pages) Texas Instruments – DS92UT16TUF UTOPIA-LVDS Bridge for 1.6 Gbps Bi-directional Data Transfers

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MTB QUEUE FULL—0xC8 to 0xCB MTBQFL3 to MTBQFL0
SNOS992E – JANUARY 2002 – REVISED APRIL 2013
Table 84. MTBQFL3–MTBQFL0
7
MTBQFL3
0xC8
MTBQFL3[7]
MTBQT29
0xC9
MTBQFL2[7]
MTBQFL1
0xCA
MTBQFL1[7]
MTBQFL0
0xCB
MTBQFL0[7]
Type: Read only
6
MTBQFL3[6]
MTBQFL2[6]
MTBQFL1[6]
MTBQFL0[6]
5
MTBQFL3[5]
MTBQFL2[5]
MTBQFL1[5]
MTBQFL0[5]
4
MTBQFL3[4]
MTBQFL2[4]
MTBQFL1[4]
MTBQFL0[4]
3
MTBQFL3[3]
MTBQFL2[3]
MTBQFL1[3]
MTBQFL0[3]
2
MTBQFL3[2]
MTBQFL2[2]
MTBQFL1[2]
MTBQFL0[2]
1
MTBQFL3[1]
MTBQFL2[1]
MTBQFL1[1]
MTBQFL0[1]
0
MTBQFL3[0]
MTBQFL2[0]
MTBQFL1[0]
MTBQFL0[0]
Software Lock: No
Reset Value: 0x00
The MTBQFL3, MTBQFL2, MTBQFL1 and MTBQFL0 registers show which queues are full.
• MTBQFL3[7] MTBQFL3[7] bit indicates that the entire MTB is full. As memory resources are over assigned
among the 31 individual queues then the MTB may be full while some of the individual queues may not be
full. When this bit is set, then the entire queue is full and when clear, the queue is not full.
• MTBQFL3–MTBQFL0 MTBQFL3[6] corresponds to queue 31 and MTBQFL0[0] corresponds to queue 0.
When a bit is set, then the queue is full and when clear, the queue is not full.
MTB QUEUE EMPTY—0xCC to 0xCF MTBQE3 to MTBQE0
Table 85. MTBQE3–MTBQE0
7
MTBQE3
0xCC
Reserved
MTBQT29
0xCD
MTBQE2[7]
MTBQE1
0xCE
MTBQE1[7]
MTBQE0
0xCF
MTBQE0[7]
Type: Read only
6
MTBQE3[6]
MTBQE2[6]
MTBQE1[6]
MTBQE0[6]
5
MTBQE3[5]
MTBQE2[5]
MTBQE1[5]
MTBQE0[5]
4
MTBQE3[4]
MTBQE2[4]
MTBQE1[4]
MTBQE0[4]
3
MTBQE3[3]
MTBQE2[3]
MTBQE1[3]
MTBQE0[3]
2
MTBQE3[2]
MTBQE2[2]
MTBQE1[2]
MTBQE0[2]
1
MTBQE3[1]
MTBQE2[1]
MTBQE1[1]
MTBQE0[1]
0
MTBQE3[0]
MTBQE2[0]
MTBQE1[0]
MTBQE0[0]
Software Lock: No
Reset Value: 0xFF, except MTBQE3 = 0x7F
The MTBQE3, MTBQE2, MTBQE1 and MTBQE0 registers show which queues are empty.
• MTBQE3–MTBQE0 MTBQE3[6] corresponds to queue 31 and MTBQE0[0] corresponds to queue 0. When a
bit is set, then the queue is empty and when clear, the queue is not empty.
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