Datasheet

42 PSoC Designer IDE Guide, Document # 001-42655 Rev *B
Chip-Level Editor
On the device you see the designation color coded according to the legend next to the device.
The port name and Ext Ref also appear in the port-related fields underneath User Module Param-
eters (where you can click the drop-arrow to change your selection).
In the device interface you see that all lines from P2[6] are gone.
I2C SDA
To set the I2C SDA connection (this connection is only available for CY8C27xxx parts):
1. Click on Port_1_5 (P1[5]) or select P1[5] from the menu.
2. From the Select menu select I2C SDA.
Figure 2-31.
3. Click OK.
On the device you see the designation color coded according to the legend next to the device.
The port name, I2C SDA, and the drive mode of Open Drain High also appear in the port-related
fields underneath User Module Parameters (where you can click the drop-arrow to change your
selection).
In the device interface you see that all lines from Port_1_5 are gone.
I2C SCL
To set the I2C SCL connection (this connection is only available for CY8C27xxx parts):
1. Click on Port_1_7 (P1[7]) or select P1[7] from the menu.
2. From the Select menu select I2C SCL.
Figure 2-32.
3. Click OK.
On the device you see the designation color coded according to the legend next to the device.
The port name, I2C SCL, and the drive mode of Open Drain High also appear in the port-related
fields underneath User Module Parameters (where you can click the drop-arrow to change your
selection).
In the device interface you see that all lines from Port_1_7 are gone.
2.6.2 Port Drive Modes
Port drive modes can be specified in one location, in three ways:
Click the port icons and make settings in the device interface