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參數(shù)資料
| 型號： | STA450A |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | XMRADIO SDARS SERVICE LAYER & SOURCE DECODER |
| 中文描述： | XMRADIO衛(wèi)星數(shù)字收音機(jī)服務(wù)層 |
| 文件頁數(shù)： | 38/66頁 |
| 文件大?。?/td> | 439K |
| 代理商： | STA450A |
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STA450A
38/66
3.3.12 PROGRAM_UP_DOWN
BYTE
0
1
FIELD
VALUE
DESCRIPTION
CHANNEL_UPDWN_CFM
search_status
0x92
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
1 – 255
Channel Up/Down Confirm header
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
crw
channel number
Channel Reference Word
Reference: Service Layer Specification
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.
Service Information Block 1
Reference: Service Layer Specification
3,4,5,6
7
sib1_status
0x00 – SIB1_ABSENT
0x01 – SIB1_PRESENT
8 to 15
service_block1
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
0
1
FIELD
VALUE
DESCRIPTION
PROGRAM_UPDWN_CFM
search_status
0x93
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
1 – 255
Program Up/Down Confirm header
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
channel number for the service
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