SAA7108AE Datasheet, PDF (163/208 Pages) NXP Semiconductors – HD-CODEC

NXP Semiconductors
SAA7108AE; SAA7109AE
HD-CODEC
Table 200. Status information scaler part; 8Fh[7:0]; read only register …continued
Bit
I²C-bus Function^[1]
status bit
2
ERROF error flag of scalers output formatter, normally set, if the output
processing needs to be interrupted, due to input/output data rate conflicts,
e.g. if output data rate is much too low and all internal FIFO capacity used
1
FIDSCI status of the field sequence ID at the scalers input
0
FIDSCO status of the field sequence ID at the scalers output, scaler processing
dependent
[1] Status information is unsynchronized and shows the actual status at the time of I²C-bus read.
11.2.5.5 Subaddresses 90h and C0h
Table 201. Task handling control; register set A [90h[7:6]] and B [C0h[7:6]]^[1]
Event handler control
Control bits 7 and 6
CONLH
OFIDC
Output field ID is field ID from scaler input
X
0
Output field ID is task status flag, which changes every time a X
1
selected task is activated (not synchronized to input field ID)
Scaler SAV/EAV byte bit 7 and task flag = 1, default
0
X
Scaler SAV/EAV byte bit 7 and task flag = 0
1
X
[1] X = don’t care.
Table 202. Task handling control; register set A [90h[5:3]] and B [C0h[5:3]]
Event handler control
Control bits 5 to 3
FSKP2 FSKP1
Active task is carried out directly
0
0
1 field is skipped before active task is carried out
0
0
... fields are skipped before active task is carried out
...
...
6 fields are skipped before active task is carried out
1
1
7 fields are skipped before active task is carried out
1
1
FSKP0
0
1
...
0
1
Table 203. Task handling control; register set A [90h[2:0]] and B [C0h[2:0]]^[1]
Event handler control
Control bits 2 to 0
RPTSK STRC1 STRC0
Event handler triggers immediately after finishing a task
X
0
0
Event handler triggers with next V-sync
X
0
1
Event handler triggers with field ID = 0
X
1
0
Event handler triggers with field ID = 1
X
1
1
If active task is finished, handling is taken over by the next task
0
X
X
Active task is repeated once, before handling is taken over by the next 1
X
X
task
[1] X = don’t care.
SAA7108AE_SAA7109AE_3
Product data sheet
Rev. 03 — 6 February 2007
© NXP B.V. 2007. All rights reserved.
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