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STA450A Datasheet(PDF) 31 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) 31 Page - STMicroelectronics

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STA450A
Description
Master Frame Counter LSB part (7 bits).
HOST_Page Ctrl
Address
: 0x7F
Type
: R/W
Software Reset
: NA
Hardware Reset
: NA
Description
Bit 7 :more page to be download.
This bit is used also as Hand Shake bit.
The STA450A sets the bit as soon as the page is available and the System Controller clears the bit using
the dedicated Fast command (see command description) as soon as the page has been read. In case
the System Controller sends a new command and the MORE bit is set, the STA450A clears it
automatically.
Bit [6:0] :number - 1 of valid bytes in the current page
3.0 DSP COMMANDS QUICK REFERENCE
References: Service Layer Specification
XM Stack API Specification
3.1 Categories
INIT
0x0X
SELECT
0x1X
INFO
0x2X
MISC
0x3X
FASTCMD
0x5X
3.2 COMMANDS
7654
3210
7F
More
Byte Number-1
Command
OpCode
Category
Description
DSP_PWRUP_REQ
0x00
INIT
DSP Initialization command
DSP_PWRDWN_REQ
0x01
INIT
DSP Power Down command
FORCE_UPDATE
0x02
INIT
Force Update command
CHANGE_DAC_CONF
0x03
INIT
Change DSP DAC configuration command
HARD_MUTE
0x04
INIT
Hard mute/play command
FADE_IN_OUT
0x05
INIT
Fade In/Fade Out command
SOFT_MUTE
0x06
INIT
Soft mute/play command
DATAPORT_CH_FREQUENCY
0x07
INIT
Change the divider for Data port
SERVICE_CHECK
0x10
SELECT
Check the status of a service using SID



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