Other Parts Discussed in Thread: ALP
Hi team,
customer use 921/948 have display splash issue.
below is test result:
1. 1920x720-32@30fps, can display normally, don't see splash.
2. set 1920x720-32@60fps, display will splash. customer add a LED in LOCK pin of 948. In 60fps, the LED will blinked.
3. 948的MODE_SEL is :MODE_SEL0= Dual OLDI output (MAP_SEL = 1, OUTPUT_MODE[1:0] = 00)
MODE_SEL1 = (REPEATER = 0, MODE = 00, HIGH-SPEED = 5Mbps, STP)
Could you help to give some suggestions. one more infomation is that, with the same condition, 949/948 will be work properly, but 921/948 is not.
below is 921 dump reg and 948 reg value:
921:
0 1 2 3 4 5 6 7 8 9 a b c d e f 0123456789abcdef
00: 18 00 00 fa 80 00 68 40 40 00 00 00 05 00 00 00 ?..??.h@@...?...
10: 00 00 00 10 00 00 fe 5e a1 a5 00 00 00 00 00 00 ...?..?^??......
20: 00 00 25 00 00 00 00 00 00 24 00 a0 00 00 00 00 ..%......$.?....
30: 03 10 00 00 00 00 08 34 00 0a 20 21 00 00 f0 00 ??....?4.? !..?.
40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
50: 20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ...............
60: 00 00 00 00 10 00 00 00 00 00 00 00 00 00 00 00 ....?...........
70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
c0: 00 00 80 00 78 00 00 60 40 00 00 00 00 00 00 00 ..?.x..`@.......
d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
f0: 5f 55 42 39 32 31 00 00 00 00 00 00 00 00 00 00 _UB921..........
948:
0 1 2 3 4 5 6 7 8 9 a b c d e f 0123456789abcdef
00: 68 04 00 78 02 1e 00 18 40 00 00 00 00 00 00 00 h?.x??.?@.......
10: 40 00 00 00 00 00 00 00 00 01 00 00 23 10 99 00 @........?..#??.
20: 00 09 42 20 08 00 83 84 00 00 00 00 00 00 00 00 .?B ?.??........
30: 00 00 90 25 01 00 00 8c 00 00 00 05 20 e0 23 00 ..?%?..?...? ?#.
40: 43 03 03 00 60 88 00 00 0f 80 00 08 00 00 63 00 C??.`?..??.?..c.
50: 03 10 00 01 80 00 00 00 00 7f 20 20 00 00 00 00 ??.??....? ....
60: 00 00 00 00 10 00 00 00 00 00 00 00 00 00 00 00 ....?...........
70: 00 00 00 07 07 08 00 00 00 00 00 00 02 00 00 00 ...???......?...
80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
a0: 00 00 8c 00 00 00 00 00 00 00 00 00 00 00 00 00 ..?.............
b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
c0: 00 00 00 00 00 00 00 00 c0 00 00 00 00 00 00 00 ........?.......
d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
f0: 5f 55 42 39 34 38 00 00 00 00 00 00 00 00 00 00 _UB948..........