MAX7325EVCMAXQU+ Maxim Integrated Products, MAX7325EVCMAXQU+ Datasheet - Page 5

• Manufacturer Part Number: MAX7325EVCMAXQU+
• Description: KIT EVAL FOR MAX7325
• Manufacturer: Maxim Integrated Products

Specifications of MAX7325EVCMAXQU+

• Main Purpose: Interface, GPIO Expander
• Utilized Ic / Part: MAX7325
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Secondary Attributes: -
• Embedded: -
• Primary Attributes: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

The MAX7325 has eight push-pull outputs and eight
open-drain I/Os. The MAX7325 EV kit board provides a
proven layout for evaluating the MAX7325. The EV kit
comes with a MAX7325ATG+ installed.
The hardware-reset function is controlled by jumper
JU3, as shown in Table 2. Putting a shunt in the 1-2
position resets all registers and puts the device in the
power-on-reset state.
Table 2. RST Jumper Configuration
*Default position.
The combination of shunt positions of jumpers JU1 and
JU2 determine the I
EV kit. See Table 1 to select the appropriate setting.
JUMPER
Detailed Description of Hardware
JU3
MAX7325 Evaluation Kit/Evaluation System
SHUNT POSITION
_______________________________________________________________________________________
Open*
1-2
2
C slave address of the MAX7325
I
2
C Address Configuration
Hardware-Reset Control
Normal operation
DESCRIPTION
Reset
The MAX7325 EV kit can either be powered from the
CMAXQUSB (2.5V, 3.3V, and 5V) or from a user-
supplied 1.71V to 5.5V power supply connecting to
VDD, as shown in Table 3.
If a user-supplied power supply is used, ensure that the
voltage setting is compatible with the CMAXQUSB JU1
setting.
To use the MAX7325 EV kit with a user-supplied I
interface, install a shunt on jumper JU4’s 1-2 position.
Connect SDA, SCL, and GND lines from the user-
supplied I
on the MAX7325 EV kit. Apply a 1.71V to 5.5V power
supply to the VDD pad of the MAX7325 EV kit.
Depending on the configuration of the user-supplied
I
resistors, R10 and R11.
Table 3. V+ Selection Configuration
*Default position.
2
C interface, it may be necessary to install I
JUMPER
JU4
2
C interface to the SDA, SCL, and GND pads
SHUNT POSITION
2-3*
1-2
User-Supplied I
5.5V power supply (VDD)
Powered by CMAXQUSB
User-supplied 1.71V to
Power Supplies
DESCRIPTION
2
C Interface
2
C pullup
2
C
5