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| 型號： | ADATE304BBCZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 28/52頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DCL ATE 200MHZ DUAL 84CSPBGA |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 類型： | DCL |
| 應(yīng)用： | 自動測試設(shè)備 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 84-TFBGA，CSPBGA |
| 供應(yīng)商設(shè)備封裝： | 84-CSPBGA（9x9） |
| 包裝： | 托盤 |
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ADATE304
Rev. 0 | Page 34 of 52
DEFINITION OF SPI WORD
The SPI can accept variable length words, depending on the
operation. At most, the word length equals 24 bits: 16 bits of
data, two channel selects, one read/write (R/W) selector, and a
5-bit address.
Depending on the operation, the data can be smaller or, in the
case of a read operation, nonexistent.
Table 18. Channel Selection
Channel 1
Channel 0
Channel Selected
0
NOP (no channel selected, no register
changes)
0
1
Channel 0 selected
1
0
Channel 1 selected
1
Channel 0 and Channel 1 selected
Table 19. R/W Definition
R/W
Description
0
Current register specified by address shifts out of
SDOUT on next shift operation
1
Current data written to the register specified by
address and channel select
Example 1: 16-Bit Write
Write 16 bits of data to a register or DAC; ignore unused MSBs. For example, Bit 15 and Bit 14 are ignored, and Bit 13 through Bit 0 are
applied to the 14-bit DAC.
07
279
-068
DATA[15:0]
CH[1:0]
R/W
ADDR[4:0]
Figure 64. 16-Bit Write
Example 2: 14-Bit Write
Write 14 bits of data to the DAC.
9
-06
DATA[13:0]
CH[1:0]
R/W
ADDR[4:0]
07
279
Figure 65. 14-Bit Write
Example 3a: 2-Bit Write
Write two bits of data to the 2-bit register.
DATA[1:0]
CH[1:0]
R/W
ADDR[4:0]
07
27
9-
07
0
Figure 66. 2-Bit Write
Example 3b: 2-Bit Write
Write two bits of data to the 2-bit register. Bit 15 through Bit 2 are ignored and Bit 1 through Bit 0 are applied to the register.
DATA[15:0]
CH[1:0]
R/W
ADDR[4:0]
07
279
-071
Figure 67. 2-Bit Write
Example 4: Read Request
Read request and follow with a second instruction (could be NOP) to clock out the data.
DATA[15:0]
CH[1:0]
R/W
ADDR[4:0]
CH[1:0]
R/W = 0
ADDR[4:0]
07
27
9-
072
Figure 68. Read Request
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADATE305 | 制造商:AD 制造商全稱:Analog Devices 功能描述:250 MHz Dual Integrated DCL with Level Setting DACs, Per Pin PMU, and Per Chip VHH |
| ADATE305BSVZ | 功能描述:IC DCL ATE 250MHZ DUAL 100TQFP RoHS:是 類別:集成電路 (IC) >> 專用 IC 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 類型:調(diào)幀器 應(yīng)用:數(shù)據(jù)傳輸 安裝類型:表面貼裝 封裝/外殼:400-BBGA 供應(yīng)商設(shè)備封裝:400-PBGA（27x27） 包裝:散裝 |
| ADATE306BBCZ | 制造商:Analog Devices 功能描述: |
| ADATE318 | 制造商:AD 制造商全稱:Analog Devices 功能描述:600 MHz Dual Integrated DCL with PPMU, VHH Drive Capability, Level Setting DACs, and On-Chip |
| ADATE318BCPZ | 制造商:Analog Devices 功能描述:600 MHZ DUAL INTEGRATED DCL WITH PPMU, VHH DRIVE CAPABILITY, - Trays |
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