MSP 34x0G
DATA SHEET
3.3.2.5. Read Registers on I2C Subaddress 11hex
Table 3–10: Read Registers on I2C Subaddress 11hex
Register
Address
Function
Name
00 7Ehex
STANDARD RESULT Register
STANDARD_RES
Readback of the detected TV sound or FM-Radio Standard
bit[15:0] 00 00hex Automatic Standard Detection could not find
a sound standard
00 02hex MSP Standard Codes (see Table 3–8 on page 25)
...
00 40hex
>07 FFhex Automatic Standard Detection still active
02 00hex
STATUS Register
STATUS
Contains all user relevant internal information about the status of the MSP
bit[15:10]
bit[8]
undefined
0/1
“1” indicates bilingual sound mode or SAP present
(internally evaluated from received analog or digital
identification signals)
bit[7]
bit[6]
0/1
0/1
“1” indicates independent mono sound (only for
NICAM)
mono/stereo indication
(internally evaluated from received analog or digital
identification signals)
bit[5,9]
00
01
10
11
analog sound standard (FM or AM) active
this pattern will not occur
digital sound (NICAM) available
bad reception condition of digital sound (NICAM) due
to:
a. high error rate
b. unimplemented sound code
c. data transmission only
bit[4]
bit[3]
bit[2]
0/1
0/1
low/high level of digital I/O pin D_CTR_I/O_1
low/high level of digital I/O pin D_CTR_I/O_0
0
1
detected secondary carrier (2nd A2 or SAP sub-carrier)
no secondary carrier detected
bit[1]
bit[0]
0
1
detected primary carrier (Mono or MPX carrier)
no primary carrier detected
undefined
If STATUS change indication is activated by means of MODUS[1]: Each
change in the STATUS register sets the digital I/O pin D_CTR_I/O_1 to high
level. Reading the STATUS register resets D_CTR_I/O_1.
28
May 27, 2003; 6251-476-1DS
Micronas
MICRONAS [ MICRONAS ]
