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ISL78226EVKIT1Z, ISL78224EVKIT2Z
Figure 29
shows the Quick Access Control Panel configured as a master with three slaves.
The controllers can be configured with up to four devices. Note: The customer evaluation boards are equipped for
single controller operation only. See the
operation. Notice the red ACK (acknowledgment) for the slave devices indicates a failed transfer, because no slaves
are connected.
The Quick Access Control Panel shows the top level status of all devices.
4.1.1
System Controls
The top portion of the System Controls section controls the main EN (enable) pin for turning the master device
on and off. Click Enable to bring up the internal LDO and enable I
The ID window (device ID) and ADR window (I
Controls panel. The ID Register I
Acknowledge.
4.1.2
Mode Pins Selection
The Mode Pins Selection section controls the GPIO interface pins.
Figure 29
shows five GPIO pins being controlled: four in the Mode Pins Selection section and the main Enable
pin above. Below the GPIO pins, five status pins are also monitored (PGMCU, XSTAT, XHIC, XSYS, and
DrvEN).
UG073 Rev.4.00
Jun 7, 2019
Figure 29. One Master and Three Slaves
ISL78226
and
ISL78224
2
C addresses) are located below Enable in the System
2
C read back value is displayed along with a Green or Red indicator for I
4. Overview - Using the Software
datasheets for information about multi-chip
2
C communications.
2
C
Page 25 of 105
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