Texas Instruments AMC7812 Performance Demonstration Kit AMC7812EVM-PDK AMC7812EVM-PDK 데이터 시트
제품 코드
AMC7812EVM-PDK
EVM Hardware Configuration
In
, all 18 jumpers of the AMC7812EVM are highlighted in yellow. The definitions and default
settings of these 18 jumpers are listed in
Table 7. AMC7812EVM PCB Jumper Definitions and Default Positions
Jumper No
Definitions
Default Setting
Chip select:
JP1
• Removed: I
2
C
Installed
• Installed: SPI
Address A0 setting for firmware EEPROM:
JP2
• Removed: Address: 1010001
Installed
• Installed: Address: 1010000
Connecting on- or off-board remote temp
sensor to AMC pins D1+/D1–:
sensor to AMC pins D1+/D1–:
JP3 ~ JP4
• Removed: Connecting remote sensor
Shunt on 2-3
from J6
• Installed: Connecting onboard 2N3904
Connecting on- or off-board remote temp
sensor to AMC pins D2+/D2–:
sensor to AMC pins D2+/D2–:
JP5 ~ JP6
• Removed: Connecting remote sensor
Shunt on 2-3
from J7
• Installed: Connecting onboard 2N3906
Connecting AMC internal REF_OUT to REF-
DAC:
DAC:
• Removed: Internal REF_OUT not
JP7
Installed
connected to REF_DAC
• Installed: Internal REF_OUT connected
to REF_DAC
CNVT source selection::
JP8
• CNVT signal from J2-17
Shunt on 2-3
• CNVT signal from J2-2
Select I
2
C or SPI Communication:
JP9, JP14
• Both 1~2: SPI mode
Shunt on 1~2
• Both 2~3: I
2
C mode
I
2
C or SPI Clock:
JP10
• 1~2: SPI clock
Shunt on 1~2
• 2~3: I
2
C clock
Set I
2
C Address. JP11 sets A0, JP12 sets A1,
JP13 sets A2:
• 1~2: High
JP11, JP12, JP13
Not installed
• 2~3: Low
Set all low for use with AMC7812EVM
software
software
AMC VCC power resource selection:
JP15
• VCC gets external supply from J8
Shunt on 2-3
• VCC gets +5-V supply from J5
AMC AVDD/DVDD power resource selection:
• AVDD/DVDD gets external supply from
JP16
Shunt on 2-3
J9
• AVDD/DVDD gets supply from J5
AMC AVDD/DVDD power resource selection
from J5:
from J5:
JP17
Shunt on 1~2
• 1~2: AVDD/DVDD gets +5 V from J5
• 2~3: AVDD/DVDD gets +3.3 V from J5
AMC IOVDD power resource selection:
• 1~2: IOVDD gets supply from J5
JP18
Shunt on 1~2
• 2~3: IOVDD gets external supply from
J10
10
AMC7812EVM-PDK User’s Guide
SBAU177A – September 2010 – Revised May 2013
Copyright © 2010–2013, Texas Instruments Incorporated