參數(shù)資料
型號: LTC1094CN
廠商: LINEAR TECHNOLOGY CORP
元件分類: ADC
英文描述: LinCMOS(TM) precision quad Operational Amplifier 14-SOIC -40 to 85
中文描述: 8-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDIP20
封裝: PLASTIC, DIP-20
文件頁數(shù): 17/32頁
文件大?。?/td> 356K
代理商: LTC1094CN
17
LTC 1091/LTC 1092
LTC 1093/LTC 1094
U
S
A
O
PPLICATI
W
U
I FOR ATIO
U
MICROWIRE is a trademark of National Semiconductor Corp.
Table 1. Microprocessors with Hardware Serial Interfaces
Compatible with the LTC1091/LTC1092/LTC1093/LTC1094
PART NUMBER
Motorola
MC6805S2, S3
MC68HC11
MC68HC05
RCA
CDP68HC05
Hitachi
HD6305
HD63705
HD6301
HD63701
HD6303
HD64180
National Semiconductor
COP400 Family
COP800 Family
NS8050U
HPC16000 Family
Texas Instruments
TMS7002
TMS7042
TMS70C02
TMS70C42
TMS32011*
TMS32020
*Requires external hardware
TYPE OF INTERFACE
SPI
SPI
SPI
SPI
SCI Synchronous
SCI Synchronous
SCI Synchronous
SCI Synchronous
SCI Synchronous
CSI/O
MICROWIRE
TM
MICROWIRE/PLUS
MICROWIRE/PLUS
MICROWIRE/PLUS
Serial Port
Serial Port
Serial Port
Serial Port
Serial Port
Serial Port
5. Microprocessor Interfaces
The LTC1091/LTC1092/LTC1093/LTC1094 can interface
directly (without external hardware) to most popular
microprocessor (MPU) synchronous serial formats (see
Table 1). If an MPU without a dedicated serial port is used,
then three or four of the MPU’s parallel port lines can be
programmed to form the serial link to the LTC1091/
LTC1092/LTC1093/LTC1094. Included here are one serial
interface example and one example showing a parallel port
programmed to form the serial interface.
1091/2/3/4 F02
CLK
START
MSBF
B9
B8
PROCESSOR
MUST RELEASE
DATA LINE AFTER 4TH
RISING CLK AND BEFORE
THE 4TH FALLING CLK
MPU CONTROLS
DATA LINE AND SENDS
MUX ADDRESS TO LTC1091
LTC1091 TAKES CONTROL OF DATA LINE
ON 4TH FALLING CLK
SGL/
DIFF
ODD/
SIGN
CS
DATA (D
IN
/D
OUT
)
1
2
MSBF
LATCHED
BY LTC1091
3
4
LTC1091 CONTROLS
DATA LINE AND SENDS
A/D RESULT BACK TO MPU
Figure 2. LTC1091 Operation with D
IN
and D
OUT
Tied Together
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