Datasheet

EVM Hardware Configuration
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In Figure 1, all 18 jumpers of the AMC7812EVM are highlighted in yellow. The definitions and default
settings of these 18 jumpers are listed in Table 7.
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–:
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–:
JP5 ~ JP6 Removed: Connecting remote sensor Shunt on 2-3
from J7
Installed: Connecting onboard 2N3906
Connecting AMC internal REF_OUT to REF-
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
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:
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 SBAU177ASeptember 2010Revised May 2013
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