STV82X6 STMICROELECTRONICS [STMicroelectronics], STV82X6 Datasheet - Page 45

• Manufacturer Part Number: STV82X6
• Description: Multistandard TV Audio Processor and Digital Sound Demodulator
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

STV82x6
Address (hex): 1Dh
Type: R/W
Address (hex): 1Eh
Type: R/W
ACOEFF1[7:0]
BCOEFF1[7:0]
Bit Name
Bit Name
Bit 7
Bit 7
FIR1C5[7:0]
FIR1C6[7:0]
FIR1C7[7:0]
Bitfield
ACOEFF1
BCOEFF1
ACOEFF (hex)
BCOEFF (hex)
FM_DEV max (kHz)
DCO Range (kHz)
Bit 6
Bit 6
FM Mode
00100011
00010010
Reset
Reset
Table 12: Baseband PLL Loop Filter Adjustment (FM Mode)
0Eh
1Bh
16h
Used to program the Proportional Coefficient of the baseband PLL loop filter (Channel 1)
Defines the damping factor of the loop. For values, refer to
Used to program the Integral Coefficient of the baseband PLL loop filter and DCO gain
Defines the bandwidth of the loop. For values, refer to
Bit 5
Bit 5
Channel 1 Baseband PLL Loop Filter Proportional Coefficient
Channel 1 Baseband PLL Loop Filter Integral Coefficient &
DCO Gain
Small
62.5
1Ah
10h
96
0Dh
1Fh
18h
Bit 4
Bit 4
Standard
ACOEFF1[7:0]
BCOEFF1[7:0]
22h
12h
125
192
4Ah
F6h
F8h
Description
Bit 3
Bit 3
Medium
2Ch
0Ah
250
384
Function
Function
F2h
06h
43h
Large
Bit 2
Bit 2
2Ch
0Ah
500
768
Table
Table
12.
A2 Standard
12.
4Dh
00h
F2h
Bit 1
Bit 1
10h
11h
125
192
Register List
0Dh
1Dh
16h
Bit 0
Bit 0
45/95