參數(shù)資料
型號： TLV320DAC3120IRHBR
廠商： TEXAS INSTRUMENTS INC
元件分類： DAC
英文描述： SERIAL INPUT LOADING, 24-BIT DAC, PQCC32
封裝： 5 X 5 MM, PLASTIC, QFN-32
文件頁數(shù)： 63/110頁
文件大小： 1230K
代理商： TLV320DAC3120IRHBR
SLAS659 – NOVEMBER 2009
www.ti.com
Page 0 / Register 15: DAC IDAC_VAL(1)
READ/
RESET
BIT
DESCRIPTION
WRITE
VALUE
D7–D0
R/W
1000 0000
0000 0000: Number of instruction for DAC miniDSP engine, IDAC = 1024
0000 0001: Number of instruction for DAC miniDSP engine, IDAC = 4
0000 0010: Number of instruction for DAC miniDSP engine, IDAC = 8
...
1111 1101: Number of instruction for DAC miniDSP engine, IDAC = 1012
1111 1110: Number of instruction for DAC miniDSP engine, IDAC = 1016
1111 1111: Number of instruction for DAC miniDSP engine, IDAC = 1020
(1)
IDAC should be an integral multiple of the interpolation in the DAC miniDSP engine (specified in register 16).
Page 0 / Register 16: DAC miniDSP Engine Interpolation
READ/
RESET
BIT
DESCRIPTION
WRITE
VALUE
D7–D4
R/W
0000
Reserved. Do not write to these registers.
D3–D0
R/W
1000
0000: Interpolation ratio in DAC miniDSP engine = 16
0001: Interpolation ratio in DAC miniDSP engine = 1
0010: Interpolation ratio in DAC miniDSP engine = 2
...
1101: Interpolation ratio in DAC miniDSP engine = 13
1110: Interpolation ratio in DAC miniDSP engine = 14
1111: Interpolation ratio in DAC miniDSP engine = 15
Page 0 / Registers 17–24: Reserved
READ/
RESET
BIT
DESCRIPTION
WRITE
VALUE
D7–D0
R/W
XXXX XXXX
Reserved. Do not write to these registers.
Page 0 / Registers 25: CLKOUT MUX
READ/
RESET
BIT
DESCRIPTION
WRITE
VALUE
D7–D3
R/W
0000 0
Reserved
D2–D0
R/W
000
000: CDIV_CLKIN = MCLK (device pin)
001: CDIV_CLKIN = BCLK (device pin)
010: CDIV_CLKIN = DIN (can be used for the systems where DAC is not required)
011: CDIV_CLKIN = PLL_CLK (generated on-chip)
100: CDIV_CLKIN = DAC_CLK (DAC DSP clock - generated on-chip)
101: CDIV_CLKIN = DAC_MOD_CLK (generated on-chip)
110: Reserved
111: Reserved
Page 0 / Registers 26: CLKOUT M_VAL
READ/
RESET
BIT
DESCRIPTION
WRITE
VALUE
D7
R/W
0
0: CLKOUT M divider is powered down.
1: CLKOUT M divider is powered up.
D6–D0
R/W
000 0001
000 0000: CLKOUT divider M = 128
000 0001: CLKOUT divider M = 1
000 0010: CLKOUT divider M = 2
...
111 1110: CLKOUT divider M = 126
111 1111: CLKOUT divider M = 127
56
REGISTER MAP
Copyright 2009, Texas Instruments Incorporated
Product Folder Link(s): TLV320DAC3120
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