OM6281 NXP Semiconductors, OM6281 Datasheet - Page 8

• Manufacturer Part Number: OM6281
• Description: DAUGHTER CARD PCA9698 FOR OM6275
• Manufacturer: NXP Semiconductors

Specifications of OM6281

• Main Purpose: Interface, GPIO Expander
• Embedded: No
• Utilized Ic / Part: OM6275, PCA9698
• Primary Attributes: 40-Bit 40-Port GPIO Expander
• Secondary Attributes: I²C Interface
• Interface Type: I2C
• For Use With/related Products: PCA9698
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

NXP Semiconductors
7. OM6281 demonstration board main components
8. PCA9698 evaluation steps
UM10267_1
User manual
8.1 Controlling LEDs using GPIO output
Table 1.
The PCA9698 functions are controlled by WIN-I2CUSB Lite GUI. Refer to the PCA9698
data sheet for additional information on the registers and functionality.
10. To turn it off, click on the OP0 box to set the output signal HIGH. Verify LED0 is off.
11. Additional LEDs are located at Portx.0 on banks 1-4. An RGB LED is located at
Device
PCA9698DGG
PCA9530DP
74LVC1G38
1. Connect the hardware as described in
2. Start the GUI software.
3. The main screen will appear.
4. From the ‘Device’ drop-down menus select ‘IO Expanders’ and from the subsequent
5. The device configuration screen will be displayed as in
6. Check the ‘Auto Write’ box on the right to send new register contents as soon as we
7. Select the Bank0 tab. The default configuration is shown as in
8. To enable the outputs, click on the check box IOC0 in the ‘Configuration 0’ register to
9. The LED connected to Port0.0 is now on.
is set to 0x42.
drop-down menu select ‘PCA9698 40-bit I/O Expander’.
change them.
enable the output on bit 0. An alternative is to write the hex value directly in the box.
Port0.1 to Port0.3. Experiment by turning those LEDs on and off.
OM6281 main components
Description
40-bit Fm+ I
OE, and INT
2-bit I
2-input NAND gate
Rev. 01 — 24 September 2008
2
C-bus LED blinker/dimmer
2
C-bus advanced I/O port with RESET,
Section 4
PCA9698 demonstration board OM6281
“Installation”. The PCA9698 address
Figure
4.
Figure
Address
0x42
0xC2
n/a
UM10267
© NXP B.V. 2008. All rights reserved.
5.
Location
IC1
IC2
IC3
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