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STA450A Datasheet(PDF) 38 Page - STMicroelectronics

Part # STA450A
Description  XMRADIO SDARS SERVICE LAYER & SOURCE DECODER
PDF  66 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STA450A Datasheet(HTML) 38 Page - STMicroelectronics

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3.3.12 PROGRAM_UP_DOWN
BYTE
FIELD
VALUE
DESCRIPTION
0
CHANNEL_UPDWN_CFM
0x92
Channel Up/Down Confirm header
1
search_status
bit 7 – Search Outcome
0x80 –
SEARCH_SUCCESSFUL
0x00 – SEARCH_FAIL
bit 6 – Extract Type
0x40 – TYPE_PRESENT
0x00 – TYPE_ABSENT
bit 5 – Reserved
bit 4 – Reserved
bit 3 – Reserved
bit 2 – Reserved
bit 1 – Reserved
bit 0 – Reserved
The bits are ordered from left to right.
The MSB is on the left and the LSB is on
the right.
b7, b6, b5, b4, b3, b2, b1, b0
2
channel_number
1 – 255
channel number
3,4,5,6
crw
Channel Reference Word
Reference: Service Layer Specification
7
sib1_status
0x00 – SIB1_ABSENT
0x01 – SIB1_PRESENT
If service information block 1 was not
received, then DSP returns
SIB1_ABSENT. If service information
block 1 was received, then DSP returns
SIB1_PRESENT.
8 to 15
service_block1
Service Information Block 1
Reference: Service Layer Specification
BYTE
FIELD
VALUE
DESCRIPTION
0
PROGRAM_UPDWN_REQ
0x13
Program Up/Down Request header
1
Direction
0x00 – UP
0x01 - DOWN
Direction to search
2
channel_start_number
1-255
Channel start number
3
channel_end_number
1-255
Channel end number
4
program_type
1-31
Program type
5
extract_type
0x00 – Audio
0x01 – Data
Service type to extract. MMI can extract
the audio or data service component.
BYTE
FIELD
VALUE
DESCRIPTION
0
PROGRAM_UPDWN_CFM
0x93
Program Up/Down Confirm header
1
search_status
bit 7 – Search Outcome
0x80 –
SEARCH_SUCCESSFUL
0x00 – SEARCH_FAIL
bit 6 – Extract Type
0x40 – TYPE_PRESENT
0x00 – TYPE_ABSENT
bit 5 – Reserved
0x20 – PROGRAM_PRESENT
0x00 – PROGRAM_ABSENT
bit 4 – Reserved
bit 3 – Reserved
bit 2 – Reserved
bit 1 – Reserved
bit 0 – Reserved
The bits are ordered from left to right.
The MSB is on the left and the LSB is
on the right.
b7, b6, b5, b4, b3, b2, b1, b0
2
channel_number
1 – 255
channel number for the service



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