Silicon Laboratories Si4700, Руководство по программированию

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AN332
Confidential Rev. 0.2 61
Command 0x13. GET_PROPERTY
Gets a property as shown in Table 9, “FM/RDS Receiver Property Summary,” on page 52. The CTS bit (and
optional interrupt) is set when it is safe to send the next command. This command may only be sent when in
powerup mode.
Command arguments: Three
Response bytes: Three
Command
ARG Bit Name Function
1 7:0 Reserved Always write to 0.
2 7:0 PROP
H
[7:0]
Property High Byte.
This byte in combination with PROP
L
is used to specify the property to modify.
3 7:0 PROP
L
[7:0]
Property Low Byte.
This byte in combination with PROP
H
is used to specify the property to modify.
4 7:0 PROPD
H
[7:0]
Property Value High Byte.
This byte in combination with PROPD
L
is used to set the property value.
5 7:0 PROPD
L
[7:0]
Property Value Low Byte.
This byte in combination with PROPD
H
is used to set the property value.
Bit D7 D6 D5 D4 D3 D2 D1 D0
CMD 0 0 0 1 0 0 1 1
ARG1 0 0 0 0 0 0 0 0
ARG2 PROP
H
[7:0]
ARG3 PROP
L
[7:0]
ARG Bit Name Function
1 7:0 Reserved Always write to 0.
2 7:0 PROP
H
[7:0]
Property High Byte.
This byte in combination with PROP
L
is used to specify the property to get.
3 7:0 PROP
L
[7:0]
Property Low Byte.
This byte in combination with PROP
H
is used to specify the property to get.