參數(shù)資料
型號(hào): DSD1608PAHR
英文描述: 8-CHANNEL, ENHANCED MULTIFORMAT, DELTA-SIGMA, DIGITAL-TO-ANALOG CONVERTER
中文描述: 8通道,增強(qiáng)多格式,Δ-Σ,數(shù)字模擬轉(zhuǎn)換器
文件頁(yè)數(shù): 20/41頁(yè)
文件大小: 293K
代理商: DSD1608PAHR
DSD1608
SLES040
JUNE 2002
www.ti.com
20
Control Interface Timing Requirements
Figure 29 shows a detailed timing diagram for the serial control interface. These timing parameters are critical for
proper control port operation.
t(MCH)
50% of VDD
MS
t(MSS)
LSB
50% of VDD
50% of VDD
t(MCL)
t(MHH)
th(MS)
t(MCY)
th(MD)
tsu(MD)
MC
MDI
50% of VDD
MDO
t(MOS)
SYMBOL
PARAMETERS
MIN
MAX
UNIT
t(MCY)
t(MCL)
t(MCH)
t(MHH)
t(MSS)
th(MS)
th(MD)
tsu(MD)
t(MOS)
(1)MC rising edge for LSB-to-MS rising edge.
MC pulse cycle time
100
ns
MC low level time
40
ns
MC high level time
40
ns
MS high level time
80
ns
MS falling edge to MC rise edge
MS hold time (1)
15
ns
15
ns
MDI hold time
15
ns
MDI setup time
15
ns
MC falling edge to MDO stable
30
ns
Figure 29. Control Interface Timing
MODE CONTROL REGISTERS
User-Programmable Mode Controls
The DSD1608 includes a number of user programmable functions which are accessed via control registers. The
registers are programmed using the serial control interface which was previously discussed in this data sheet. Table 2
lists the available mode control functions, along with their reset default conditions and associated register index.
Register Map
The mode control register map is shown in Table 3. Each register includes an index (or address) indicated by the
IDX[6:0] bits B[14:8].
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