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參數(shù)資料
| 型號： | LTC1091CN8 |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 10/32頁 |
| 文件大小： | 0K |
| 描述： | IC DATA ACQ SYS 10BIT 2CH 8-DIP |
| 標(biāo)準(zhǔn)包裝： | 50 |
| 類型： | 數(shù)據(jù)采集系統(tǒng)（DAS），ADC |
| 分辨率（位）： | 10 b |
| 數(shù)據(jù)接口： | 串行 |
| 電壓電源： | 雙 ± |
| 電源電壓： | ±5V，4.5V，10V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 8-DIP（0.300"，7.62mm） |
| 供應(yīng)商設(shè)備封裝： | 8-PDIP |
| 包裝： | 管件 |
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18
LTC1091/LTC1092
LTC1093/LTC1094
U
S
A
O
PPLICATI
WU
U
I FOR ATIO
Hardware and Software Interface to
Motorola MC68HC05C4 Processor
Motorola SPI (MC68HC05C4, MC68HC11)
The MC68HC05C4 has been chosen as an example of an
MPU with a dedicated serial port. This MPU transfers data
MSB first and in 8-bit increments. With two 8-bit transfers,
the A/D result is read into the MPU. The first 8-bit transfer
sends the DIN word to the LTC1091 and clocks B9 and B8
of the A/D conversion result into the processor. The
second 8-bit transfer clocks the remaining bits, B7 through
B0, into the MPU.
ANDing the first MPU received byte with 03 Hex clears the
six most significant bits. Notice how the position of the
start bit in the first MPU transmit word is used to position
the A/D result right justified in two memory locations.
X = DON’T CARE
1091/2/3/4 AI15
CLK
CS
DOUT
MPU RECEIVED
WORD
MPU TRANSMIT
WORD
START
BIT
BYTE 1
DIN
START
MSBF
X
B9
?
0
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
SGL/
DIFF
ODD/
SIGN
SGL/
DIFF
ODD/
SIGN
0
1
BYTE 2 (DUMMY)
X
BYTE 1
1ST TRANSFER
?
BYTE 2
B5
B4
B3
B2
B1
B0
B7
B6
DON’T CARE
2ND TRANSFER
Data Exchange Between LTC1091 and MC68HC05C4
1091-4 AI16
BYTE 1
0
B9
B8
DOUT from LTC1091 Stored in MC68HC05C4 RAM
MSB
LOCATION A
B7
B6
B5
B4
B3
B2
B1
B0
LSB
LOCATION A + 1
BYTE 2
LTC1091
CS
CLK
DIN
DOUT
ANALOG
INPUTS
CO
SCK
MOSI
MISO
MC68HC05C4
LABEL
MNEMONIC
COMMENTS
START
BCLRn
Bit 0 Port C Goes Low (CS Goes Low)
LDA
Load LTC1090 DIN Word into Acc
STA
Load LTC1090 DIN Word into SPI from Acc
Transfer Begins
TST
Test Status of SPIF
BPL
Loop to Previous Instruction If Not Done
with Transfer
LDA
Load contents of SPI Data Register into
Acc (DOUT MSBs)
STA
Start Next SPI Cycle
AND
Clear 6 MSBs of First DOUT Word
STA
Store in Memory Location A (MSBs)
TST
Test Status of SPIF
BPL
Loop to Previous Instruction If Not Done
with Transfer
BSETn
Set B0 of Port C (CS Goes High)
LDA
Load contents of SPI Data Register into
Acc (DOUT LSBs)
STA
Store in Memory location A + 1 (LSBs)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC1091CN8#PBF | 功能描述:IC DATA ACQ SYS 10BIT 2CH 8-DIP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - ADCs/DAC - 專用型 系列:- 產(chǎn)品培訓(xùn)模塊:Data Converter Basics 標(biāo)準(zhǔn)包裝:1 系列:- 類型:電機(jī)控制 分辨率（位）:12 b 采樣率（每秒）:1M 數(shù)據(jù)接口:串行，并聯(lián) 電壓電源:單電源 電源電壓:2.7 V ~ 3.6 V，4.5 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:100-TQFP 供應(yīng)商設(shè)備封裝:100-TQFP（14x14） 包裝:剪切帶 (CT) 其它名稱:296-18373-1 |
| LTC1091MJ8 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Single-Ended Data Acquisition System |
| LTC1092 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:1-, 2-, 6- and 8-Channel, 10-Bit Serial I/O Data Acquisition Systems |
| LTC1092AC | 制造商:LINER 制造商全稱:Linear Technology 功能描述:1-, 2-, 6- and 8-Channel, 10-Bit Serial I/O Data Acquisition Systems |
| LTC1092ACJ8 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog-to-Digital Converter， 10-Bit |
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