SI4708-C Datasheet, PDF (20/40 Pages) Silicon Laboratories – BROADCAST FM RADIO TUNER FOR PORTABLE APPLICATIONS

Si4708/09-C
6. Register Descriptions
Register 00h. Device ID
Bit D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
Name
PN[3:0]
MFGID[11:0]
Type
R
R
Reset value = 0x1242
Bit
15:12
11:0
Name
PN[3:0]
MFGID[11:0]
Part Number.
0x01 = Si4708/09
Manufacturer ID.
0x242
Function
Register 01h. Chip ID
Bit D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
Name
REV[5:0]
DEV[3:0]
FIRMWARE[5:0]
Type
R
R
R
Si4708C Reset value = 0x1093 or 0x109E if ENABLE = 1
Si4708C Reset value = 0x1000 or 0x101E if ENABLE = 0
Si4709C Reset value = 0x1293 or 0x0129E if ENABLE = 1
Si4709C Reset value = 0x1200 or 0x121E if ENABLE = 0
Bit
Name
Function
15:10
REV[5:0]
Chip Version.
0x04 = Rev C
9:6
DEV[3:0] Device.
0000 before powerup = Si4708.
1000 before powerup = Si4709.
0010 after powerup = Si4708.
1010 after powerup = Si4709.
5:0 FIRMWARE[5:0] Firmware Version.
0 before powerup.
Firmware version after powerup = 010011 or 011110.
20
Rev. 1.2