參數(shù)資料
型號: TLV320DAC3100IRHBR
廠商: TEXAS INSTRUMENTS INC
元件分類: DAC
英文描述: DAC WITH PROGRAMMABLE PLL, PQCC32
封裝: 5 X 5 MM, GREEN, PLASTIC, QFN-32
文件頁數(shù): 79/97頁
文件大?。?/td> 1134K
代理商: TLV320DAC3100IRHBR
SLAS671 – FEBRUARY 2010
www.ti.com
Page 1 / Register 51 (0x33) Through Page 1 / Register 127 (0x7F): Reserved
READ/
RESET
BIT
DESCRIPTION
WRITE
VALUE
D7–D0
R/W
XXXX XXXX
Reserved. Write only the reset value to these bits.
6.4
Control Registers, Page 3: MCLK Divider for Programmable Delay Timer
Default values shown for this page only become valid 100 ms following a hardware or software reset.
Page 3 / 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 only register used in page 3 is register 16. The remaining page-3 registers are reserved and should
not be written to.
Page 3 / Register 16 (0x10): Timer Clock MCLK Divider
READ/
RESET
BIT
DESCRIPTION
WRITE
VALUE
D7
R/W
1
0: Internal oscillator is used for programmable delay timer.
1: External MCLK(1) is used for programmable delay timer.
D6–D0
R/W
000 0001
MCLK Divider to Generate 1-MHz Clock for the Programmable Delay Timer
000 0000: MCLK divider = 128
000 0001: MCLK divider = 1
000 0010: MCLK divider = 2
...
111 1110: MCLK divider = 126
111 1111: MCLK divider = 127
(1)
External clock is used only to control the delay programmed between the conversions and not used for doing the actual conversion. This
feature is provided in case a more accurate delay is desired, because the internal oscillator frequency varies from device to device.
6.5
Control Registers, Page 8: DAC Programmable Coefficients RAM Buffer A (1:63)
Default values shown for this page only become valid 100 ms following a hardware or software reset.
Page 8 / 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
80
REGISTER MAP
Copyright 2010, Texas Instruments Incorporated
Product Folder Link(s): TLV320DAC3100
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