SDA9401 Datasheet, PDF (46/69 Pages) List of Unclassifed Manufacturers – Scan Rate Converter using Embedded DRAM Technology Units

SDA 9401
been finalized. If the NMSTATUS is read as ’1’ a new noise measurement value can be read.
After switching on the IC, all bits of the SDA 9401 are set to defined states. Particularly :
Subaddress Default value R/W
Take
over
Subaddress Default value
R/W
Take
over
00
11h
W VI
15
00h
W OS
01
00h
W VI
16
04h
W OS
02
50h
W VI
17
14h
W OS
03
90h
W VI
18
88h
W OS
04
00h
W VI
19
0Ch
W OS
05
B4h
W VI
1A
00h
W OS
06
AAh
W VI
1B
00h
W VI
07
00h
W VI
1C
01h
W VI
08
00h
W VI
1D
03h
W VI
09
00h
W VI
1E
FFh
W VI
0A
00h
W VI
1F
00h
W VI
0B
16h
W OS
20
FFh
W VI
0C
90h
W OS
21
02h
W VI
0D
9Ch
W OS
22
02h
W VI
0E
00h
W OS
23...27
not used
0F
04h
W OS
28
22h
W VI
10
B4h
W OS
29...31
not used
11
B0h
W OS
32
R
12
90h
W OS
33
R
13
3Fh
W OS
34...FE
not used
14
00h
W OS
FF
W
R/W: R - Read Register; W - Write Register; R/W - Read and Write Register;
Take over: VI - take over with VIN; OS- take over with OPSTART
Reading the “Read only” register 32h must be followed by reading the “Read only” register 33h.
Micronas
46
Preliminary Data Sheet