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參數(shù)資料
| 型號(hào)： | AMC7820-EVM |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | AMC7820 Evaluation Module(AMC7820評(píng)估模塊) |
| 中文描述： | AMC7820評(píng)估模塊（AMC7820評(píng)估模塊） |
| 文件頁數(shù)： | 18/26頁 |
| 文件大?。?/td> | 297K |
| 代理商： | AMC7820-EVM |
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Operation
3.2.2 External SPI Connector
If the SPI bus is not controlled from the PC, it may be controlled through J2. The user might
connect an external microprocessor or DSP to the AMC7820-EVM through this connector.
Table 5. External SPI Connector.
Reference
Designator
Pin
Description
Number
Signal Name
Function
J2
1
RESET
Reset line for the AMC7820.
3
SS
Slave Select for SPI bus.
5
SCLK
Serial Clock for SPI bus.
7
MOSI
Master Out, Slave In data
line for SPI bus. Data trav-
els to the AMC7820 over
this line.
9
MISO
Master In, Slave Out data
line for SPI bus. Data trav-
els from the AMC7820 over
this line.
2, 4, 6, 8, 10
GND
Ground
Digital communication
port between the
AMC7820-EVM and
an external processor.
3.2.3 Power Connectors
Table 6. Power Connectors.
3.2.4 External Reference Connector
Table 7. External Reference Connector.
3.2.5 Thermistor Input Connector
Table 8. Thermistor Input Connector.
3-3
Reference
Designator
Name
Description
J3
J4
J5
DV
DD
IN
BV
DD
IN
AV
DD
IN
Digital (+5V) supply for the AMC7820.
Digital I/O supply (3.3V-5V) for the AMC7820.
Analog (+5V) supply for the AMC7820.
Reference
Designator
Name
Description
J6
EXT REF IN
External reference input.
Reference
Designator
Name
Description
J7
THERMISTOR INPUT
Connection for the thermistor input to the AMC7820.
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