參數(shù)資料
型號(hào): TLV320DAC3100IRHBR
廠商: TEXAS INSTRUMENTS INC
元件分類(lèi): DAC
英文描述: DAC WITH PROGRAMMABLE PLL, PQCC32
封裝: 5 X 5 MM, GREEN, PLASTIC, QFN-32
文件頁(yè)數(shù): 85/97頁(yè)
文件大小: 1134K
代理商: TLV320DAC3100IRHBR
SLAS671 – FEBRUARY 2010
www.ti.com
6.7
Control Registers, Page 12: DAC Programmable Coefficients RAM Buffer B (1:63)
Table 6-4. Page 12 / Register 0 (0x00): Page Control Register
READ/
RESET
BIT
DESCRIPTION
WRITE
VALUE
D7–D0
R/W
0000 0000
0000 0000: Page 0 selected
0000 0001: Page 1 selected
...
1111 1110: Page 254 selected
1111 1111: Page 255 selected
The remaining page-12 registers are either reserved registers or are used for setting coefficients for the
various filters in the TLV320DAC3101. Reserved registers should not be written to.
The filter-coefficient registers are arranged in pairs, with two adjacent 8-bit registers containing the 16-bit
coefficient for a single filter. The 16-bit integer contained in the MSB and LSB registers for a coefficient is
interpreted as a 2s-complement integer, with possible values ranging from –32,768 to 32,767. When
programming any coefficient value for a filter, the MSB register should always be written first, immediately
followed by the LSB register. Even if only the MSB or LSB portion of the coefficient changes, both
registers should be written in this sequence. Table 6-5 is a list of the page-12 registers, excepting the
previously described register 0.
Table 6-5. Page-12 DAC Buffer B Registers
REGISTER
RESET VALUE
REGISTER NAME
NUMBER
1 (0x01)
0000 0000
Reserved. Do not write to this register.
2 (0x02)
0111 1111
Coefficient N0(15:8) for left DAC-programmable biquad A
3 (0x03)
1111 1111
Coefficient N0(7:0) for left DAC-programmable biquad A
4 (0x04)
0000 0000
Coefficient N1(15:8) for left DAC-programmable biquad A
5 (0x05)
0000 0000
Coefficient N1(7:0) for left DAC-programmable biquad A
6 (0x06)
0000 0000
Coefficient N2(15:8) for left DAC-programmable biquad A
7 (0x07)
0000 0000
Coefficient N2(7:0) for left DAC-programmable biquad A
8 (0x08)
0000 0000
Coefficient D1(15:8) for left DAC-programmable biquad A
9 (0x09)
0000 0000
Coefficient D1(7:0) for left DAC-programmable biquad A
10 (0x0A)
0000 0000
Coefficient D2(15:8) for left DAC-programmable biquad A
11 (0x0B)
0000 0000
Coefficient D2(7:0) for left DAC-programmable biquad A
12 (0x0C)
0111 1111
Coefficient N0(15:8) for left DAC-programmable biquad B
13 (0x0D)
1111 1111
Coefficient N0(7:0) for left DAC-programmable biquad B
14 (0x0E)
0000 0000
Coefficient N1(15:8) for left DAC-programmable biquad B
15 (0x0F)
0000 0000
Coefficient N1(7:0) for left DAC-programmable biquad B
16 (0x10)
0000 0000
Coefficient N2(15:8) for left DAC-programmable biquad B
17 (0x11)
0000 0000
Coefficient N2(7:0) for left DAC-programmable biquad B
18 (0x12)
0000 0000
Coefficient D1(15:8) for left DAC-programmable biquad B
19 (0x13)
0000 0000
Coefficient D1(7:0) for left DAC-programmable biquad B
20 (0x14)
0000 0000
Coefficient D2(15:8) for left DAC-programmable biquad B
21 (0x15)
0000 0000
Coefficient D2(7:0) for left DAC-programmable biquad B
22 (0x16)
0111 1111
Coefficient N0(15:8) for left DAC-programmable biquad C
23 (0x17)
1111 1111
Coefficient N0(7:0) for left DAC-programmable biquad C
24 (0x18)
0000 0000
Coefficient N1(15:8) for left DAC-programmable biquad C
25 (0x19)
0000 0000
Coefficient N1(7:0) for left DAC-programmable biquad C
26 (0x1A)
0000 0000
Coefficient N2(15:8) for left DAC-programmable biquad C
27 (0x1B)
0000 0000
Coefficient N2(7:0) for left DAC-programmable biquad C
86
REGISTER MAP
Copyright 2010, Texas Instruments Incorporated
Product Folder Link(s): TLV320DAC3100
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