si4835-b30-gu Silicon Laboratories, si4835-b30-gu Datasheet - Page 12

• Manufacturer Part Number: si4835-b30-gu
• Description: Broadcast Mechanical Tuning Am/fm/sw Radio Receiver
• Manufacturer: Silicon Laboratories

Si4831/35-B30
5. Pin Descriptions: Si4831/35-B30
12
Pin Number(s)
13,14
10,11
6,7
12
15
16
17
18
19
20
21
22
23
24
1
2
3
4
5
8
9
VOL+/TREBLE Volume button up/Treble
VOL–/BASS
STATION
STEREO
RFGND
TUNE1
TUNE2
XTALO
STATION
BAND
ROUT
Name
XTALI
VDD1
VDD2
DBYP
LOUT
STEREO
GND
RST
AMI
FMI
NC
NC
RFGND
TUNE1
TUNE2
BAND
AMI
FMI
NC
NC
NC
NC
Stereo indicator
Station indicator
Frequency tuning
Frequency tuning
Band selection and De-emphasis/Stereo separation selection
No connect. Leave floating.
FM RF inputs. FMI should be connected to the antenna trace.
RF ground. Connect to ground plane on PCB.
Unused. Tie these pins to GND.
AM RF input. AMI should be connected to the AM antenna.
Ground. Connect to ground plane on PCB.
Device reset (active low) input
Volume button down/Bass
Crystal oscillator output
Crystal oscillator input
Supply voltage. May be connected directly to battery.
Supply voltage. May be connected directly to battery.
Dedicated bypass for VDD
Right audio line output in analog output mode
Left audio line output in analog output mode
10
11
12
1
2
3
4
5
6
7
8
9
Rev. 1.0
24
23
22
21
20
19
18
17
16
15
14
13
Description
LOUT
ROUT
DBYP
VDD2
VDD1
XTALI
XTALO
VOL-/BASS
VOL+/TREBLE
RST
GND
GND