參數資料
型號: LTC1283C
廠商: Linear Technology Corporation
英文描述: 3V Single Chip 10-Bit Data Acquisition System
中文描述: 3V的單芯片10位數據采集系統(tǒng)
文件頁數: 13/24頁
文件大?。?/td> 452K
代理商: LTC1283C
13
LTC1283
U
S
A
O
PPLICATI
U
U
Figure 3. CS High During Conversion
Figure 4. CS Low During Conversion
Serial Port Microprocessors
Most synchronous serial formats contain a shift clock
(SCLK) and two data lines, one for transmitting and one for
receiving. In most cases data bits are transmitted on the
falling edge of the clock (SCLK) and captured on the rising
edge. However, serial port formats vary among MPU
manufacturers as to the smallest number of bits that can
be sent in one group (e.g., 4-bit, 8-bit or 16-bit transfers).
They also vary as to the order in which the bits are
transmitted (LSB- or MSB-first). The following examples
show how the LTC1283 accommodates these differences.
National MICROWIRE (COP820C)
The COP820C transfers data MSB-first and in 8-bit incre-
ments. This is easily accommodated by setting the LTC1283
to MSB-first format and 10-bit word length. The data
output word is then received by the COP820C in one 8-bit
block and one 2-bit block.
Table 2. 3V Microprocessor with Hardware Serial Interfaces
Compatible with the LTC1283*
PART NUMBER
Motorola
MC68HC11
MC68HC05
RCA
CDP68HC05
National Semiconductor
COP800 Family
HPC16000 Family
Texas Instruments
TMS70C02
TMS70C42
TYPE OF INTERFACE
SPI
SPI
SPI
MICROWIRE/PLUS
MICROWIRE/PLUS
Serial Port
Serial Port
*Contact factory for interface information for processors not on this list
MICROWIRE/PLUS is a trademark of National Semiconductor Corp.
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
SHIFT RESULT OUT
AND NEW ADDRESS IN
SCLK
CS
D
OUT
D
IN
t
SAMPLE ANALOG
INPUT
SHIFT
MUX ADDRESS
IN
LTC1283 F03
40 TO 44
ACLK CYCLES
ODD/
SIGN
SEL
1
SEL
0
UNI MSBF WL1 WL0
DON’T CARE
SGL/
DIFF
ODD/
SIGN
SEL
1
SEL
0
UNI MSBF WL1 WL0
SGL/
DIFF
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
SHIFT RESULT OUT
AND NEW ADDRESS IN
SCLK
CS
D
OUT
D
IN
t
SMPL
SAMPLE ANALOG
INPUT
SHIFT
MUX ADDRESS
IN
LTC1283 F04
40 TO 44
ACLK CYCLES
ODD/
SIGN
SEL
1
SEL
0
UNI MSBF WL1 WL0
DON’T CARE
SGL/
DIFF
ODD/
SIGN
SEL
1
SEL
0
UNI MSBF WL1 WL0
SGL/
DIFF
SCLK MUST REMAIN LOW
相關PDF資料
PDF描述
LTC1283CN 3V Single Chip 10-Bit Data Acquisition System
LTC1283CS 3V Single Chip 10-Bit Data Acquisition System
LTC1283 3V Single Chip 10-Bit Data Acquisition System(3V,單片,10位數據采集系統(tǒng))
LTC1285 3V Micropower Sampling 12-Bit A/D Converters in SO-8 Packages(3V,微功耗,采樣,7.5ksps,12位A/D轉換器(SO-8封裝))
LTC1286C Micropower Sampling 12-Bit A/D Converters In S0-8 Packages
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LTC1285CN8PBF 制造商:Linear Technology 功能描述:LTC1285CN8PBF