參數(shù)資料
型號： STV8236
廠商： 意法半導(dǎo)體
英文描述： Multistandard TV Audio Processor and Digital Sound Demodulator
中文描述： 多標(biāo)準(zhǔn)電視音頻處理器和數(shù)字聲音解調(diào)器
文件頁數(shù)： 47/97頁
文件大?。?/td> 1871K
代理商： STV8236
47/97
STV82x6
Register List
ACOEFF1
Channel 1 Baseband PLL Loop Filter Proportional Coefficient
BCOEFF1
Channel 1 Baseband PLL Loop Filter Integral Coefficient &
DCO Gain
FIR1C5[7:0]
0Eh
0Dh
F6h
F2h
00h
0Dh
FIR1C6[7:0]
16h
18h
F8h
06h
F2h
16h
FIR1C7[7:0]
1Bh
1Fh
4Ah
43h
4Dh
1Dh
Address (hex): 1Dh
Type: R/W
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
ACOEFF1[7:0]
Bit Name
Reset
Function
ACOEFF1[7:0]
00100011
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
Table 12
.
Address (hex): 1Eh
Type: R/W
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
BCOEFF1[7:0]
Bit Name
Reset
Function
BCOEFF1[7:0]
00010010
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
Table 12
.
Table 12: Baseband PLL Loop Filter Adjustment (FM Mode)
FM Mode
Small
Standard
Medium
Large
A2 Standard
ACOEFF (hex)
10h
22h
2Ch
2Ch
10h
BCOEFF (hex)
1Ah
12h
0Ah
0Ah
11h
FM_DEV max (kHz)
62.5
125
250
500
125
DCO Range (kHz)
96
192
384
768
192
Bitfield
Description
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參數(shù)描述
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