參數(shù)資料
型號(hào): LTC1098L
廠商: Linear Technology Corporation
元件分類: 串行ADC
英文描述: Micropower Sampling 8-Bit I/O A/D Converters(3V,微功耗,采樣8位串行I/O模數(shù)轉(zhuǎn)換器)
中文描述: 微采樣8位I /辦公自動(dòng)化/ D轉(zhuǎn)換器(3V供電,微功耗,采樣8位串行的I / O模數(shù)轉(zhuǎn)換器)
文件頁數(shù): 23/28頁
文件大?。?/td> 368K
代理商: LTC1098L
23
LTC1096/LTC1096L
LTC1098/LTC1098L
U
S
A
O
PPLICATI
TYPICAL
MPU TRANSMIT
WORD
CS
CLK
D
OUT
MPU RECEIVED
WORD
D
IN
0
0
0
1
ODD/
X
SGL/
DIFF
X
X
X
X
X
X
X
X
START
BIT
BYTE 1
BYTE 2 (DUMMY)
X = DON'T CARE
START
SGL/
DIFF
DON'T CARE
B7
B6
B5
B4
B3
B2
B1
B0
SIGNMSBF
0
B7
B6
B5
B4
B3
B2
B1
B0
2ND TRANSFER
1ST TRANSFER
LTC1096/8 TA03
Data Exchange Between LTC1098(L) and MC68HC05C4
Hardware and Software Interface to Motorola MC68HC05C4
LTC1096/8 TA04
CLK
D
IN
CS
ANALOG
INPUTS
C0
SCK
MC68HC05C4
D
OUT
MISO
MOSI
LTC1098
LOCATION A + 1
LSB
LOCATION A
BYTE 2
BYTE 1
LTC1096/8 TA05
B7
B6
B5
B4
B3
B2
B1
B0
0
0
0
0
0
0
0
0
D
OUT
from LTC1098(L) Stored in MC68HC05C4
LABEL
START
MNEMONIC
BCLRn
LDA
STA
COMMENTS
Bit 0 Port C goes low (CS goes low)
Load LTC1098(L) D
IN
word into Acc.
Load LTC1098(L) D
IN
word into SPI from Acc.
Transfer begins.
Test status of SPIF
Loop to previous instruction if not done
with transfer
Load contents of SPI data register
into Acc. (D
OUT
MSBs)
Start next SPI cycle
Clear the first D
OUT
word
Store in memory location A (MSBs)
Test status of SPIF
Loop to previous instruction if not done
with transfer
Set B0 of Port C (CS goes high)
Load contents of SPI data register into
Acc. (D
OUT
LSBs)
Store in memory location A + 1 (LSBs)
TST
BPL
LDA
STA
AND
STA
TST
BPL
BSETn
LDA
STA
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