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| 型號： | ADATE302-02BBCZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 35/58頁 |
| 文件大小： | 0K |
| 描述： | IC DCL ATE 500MHZ DUAL 84CSPBGA |
| 標準包裝： | 1 |
| 類型： | DCL |
| 應用： | 自動測試設(shè)備 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 84-TFBGA，CSPBGA |
| 供應商設(shè)備封裝： | 84-CSPBGA（9x9） |
| 包裝： | 托盤 |
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ADATE302-02
Rev. A | Page 40 of 58
DEFINITION OF SPI WORD
The SPI can take variable length words, depending on the operation. At most, the word is 24 bits longs: 16 bits of data, two channel
selects, one R/W selector, and a 5-bit address.
Depending on the operation, the data can be smaller (or nonexistent in the case of a read operation).
Example 1
Write 16 bits of data to a register or DAC; unused MSBs are ignored. For example, Bit 15 and Bit 14 are ignored, and Bit 13 through Bit 0
are applied to the 14-bit DAC.
07
278
-004
DATA[15:0]
CH[1:0]
R/W
ADDR[4:0]
Figure 77.
Example 2
Write 14 bits of data to the DAC.
072
78-
00
5
DATA[13:0]
CH[1:0]
R/W
ADDR[4:0]
Figure 78.
Example 3a
Write two bits of data to the 2-bit register.
07
27
8-
00
6
DATA[1:0]
CH[1:0]
R/W
ADDR[4:0]
Figure 79.
Example 3b
Write two bits of data to the 2-bit register. Bit 15 through Bit 2 are ignored, while Bit 1 through Bit 0 are applied to the register.
072
78
-0
07
DATA[15:0]
CH[1:0]
R/W
ADDR[4:0]
Figure 80.
Example 4
Read request and follow with a 2nd instruction (could be NOP) to clock out the data.
07
278
-00
8
DATA[15:0]
CH[1:0]
R/W
ADDR[4:0]
CH[1:0]
R/W = 0
ADDR[4:0]
Figure 81.
Table 19. 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 20. R/W Definition
R/W
Description
0
Current register specified by address is shifted out
of SDOUT on next shift operation
1
Current data is written to register specified by
address and channel select
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADATE302-02BSVZ | 功能描述:IC DCL ATE 500MHZ DUAL 100TQFP RoHS:是 類別:集成電路 (IC) >> 專用 IC 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- 類型:調(diào)幀器 應用:數(shù)據(jù)傳輸 安裝類型:表面貼裝 封裝/外殼:400-BBGA 供應商設(shè)備封裝:400-PBGA（27x27） 包裝:散裝 |
| ADATE302BBCZ-02 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
| ADATE302BSVZ | 制造商:Analog Devices 功能描述: |
| ADATE303BBCZ | 制造商:Analog Devices 功能描述: |
| ADATE304 | 制造商:AD 制造商全稱:Analog Devices 功能描述:200 MHz Dual Integrated DCL with Level Setting DACs, Per Pin PMU, and Per Chip VHH |
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