參數資料
型號： TLV320AIC3110IRHBT
廠商： TEXAS INSTRUMENTS INC
元件分類： 音頻／視頻放大
英文描述： AUDIO AMPLIFIER, PQCC32
封裝： 5 X 5 MM, GREEN, PLASTIC, QFN-32
文件頁數： 89/126頁
文件大小： 1528K
代理商： TLV320AIC3110IRHBT
www.ti.com
SLAS647 – DECEMBER 2009
w 30 01 01
# PLL_clkin = MCLK, codec_clkin = PLL_CLK
w 30 04 03
# PLL Power up, P = 1, R = 1
w 30 05 91
# J = 8
w 30 06 08
# D = 0000, D(13:8) = 0, D(7:0) = 0
w 30 07 00 00
# Mode is I2S, Wordlength is 16
w 30 1B 00
# NDAC is powered up and set to 4
w 30 0B 84
# MDAC is powered up and set to 4
w 30 0C 84
# DOSR = 128, DOSR(9:8) = 0, DOSR(7:0) = 128
w 30 0D 00 80
# DAC => volume control thru pin disable
w 30 74 00
# DAC => DRC disable,
w 30 44 00
# DAC => -22 db gain left
w 30 41 D4
# DAC => -22 db gain right
w 30 42 D4
# Select Page 1
w 30 00 01
# De-pop, Power on = 800 ms, Step time = 4 ms
w 30 21 4E
# HPL and HPR powered up
w 30 1F C2
# LDAC routed to HPL, RDAC routed to HPR
w 30 23 44
# HPL unmute and gain = 0db
w 30 28 06
# HPR unmute and gain = 0db
w 30 29 06
# Unmute Class-D Left
w 30 2A 1C
# Unmute Class-D Right
w 30 2B 1C
# Power-up Class-D drivers
w 30 20 C6
# Enable HPL output analog volume, set = -9 dB
w 30 24 92
# Enable HPR output analog volume, set = -9 dB
w 30 25 92
# Enable HPL output analog volume, set = -9 dB
w 30 26 92
# Enable HPR output analog volume, set = -9 dB
w 30 27 92
# Select Page 0
w 30 00 00
# Select DAC DSP Processing Block PRB_P11
w 30 3C 0B
w 30 00 08
w 30 01 04
w 30 00 00
# Powerup DAC left and right channels (soft step disable)
w 30 3F D6
# Unmute DAC left and right channels
w 30 40 00
5.6
CLOCK Generation and PLL
The TLV320AIC3110 supports a wide range of options for generating clocks for the ADC and DAC
sections as well as interface and other control blocks as shown in Figure 5-36. The clocks for ADC and
DAC require a source reference clock. This clock can be provided on variety of device pins such as
MCLK, BCLK, or GPIO1 pins. The source reference clock for the codec can be chosen by programming
the CODEC_CLKIN value on page 0 / register 4, bits D1–D0. The CODEC_CLKIN can then be routed
Copyright 2009, Texas Instruments Incorporated
APPLICATION INFORMATION
65
Product Folder Link(s): TLV320AIC3110
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