SI4709-B-GM Silicon Laboratories Inc, SI4709-B-GM Datasheet - Page 27

• Manufacturer Part Number: SI4709-B-GM
• Description: IC FM RADIO TUNER 20-QFN
• Manufacturer: Silicon Laboratories Inc
• Series: -r

Specifications of SI4709-B-GM

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Register 07h. Test 1
Reset value = 0x0100
Register 08h. Test 2
Reset value = 0x0000
Name Reserved AHIZEN
Name
Type
Type
13:0
15:0
Bit
Bit
Bit
Bit
15
14
D15
R/W
D15
Reserved
Reserved
Reserved
AHIZEN
Name
Name
D14
D14
R/W
D13
Reserved.
Always write to zero.
Audio High-Z Enable.
0 = Disable (default).
1 = Enable.
Setting AHIZEN maintains a dc bias of 0.5 x V
vent the ESD diodes from clamping to the V
swing of another device. Register 07h containing the AHIZEN bit must not be written
during the powerup sequence and high-Z only takes effect when in powerdown and
V
erdown and as 0x3C04 while in powerup.
Reserved.
If written, these bits should be read first and then written with their pre-existing values.
Do not write during powerup.
Reserved.
If written, these bits should be read first and then written with their pre-existing values.
Do not write during powerup.
IO
D13
D12
is supplied. Bits 13:0 of register 07h must be preserved as 0x0100 while in pow-
D12
D11
D11 D10
D10
Confidential Rev. 1.4
D9
Reserved
D9
R/W
D8
D8
D7
Function
Function
Reserved
D7
R/W
D6
IO
IO
or GND rail in response to the output
D6
on the LOUT and ROUT pins to pre-
D5
D5
D4
D4
Si4708/09-B
D3
D3
D2
D2
D1
D1
D0
D0
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