OM6279,598 NXP Semiconductors, OM6279,598 Datasheet - Page 14

• Manufacturer Part Number: OM6279,598
• Description: DEMO BOARD LED DIMMER
• Manufacturer: NXP Semiconductors

Specifications of OM6279,598

• Main Purpose: Lighting, RGB LED Controller
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: PCA9564PW, PCA9555PW, PCA9531PW, PCA9533DP/01
• Primary Attributes: I2C Bus Controller, 1 8-Bit GPIO, 1 8-Bit LED Dimmer
• Secondary Attributes: Different Demonstration Programs Through MCU
• Lead Free Status / RoHS Status: Not applicable / Not applicable
• Other names: 568-4003; 935283363598

Philips Semiconductors
9397 750 14062
Application note
4.4.2 PCA953x mapping with the LEDs
4.4.3 White LED control routine
Remark: Those keys have been programmed to detect a continuous push applied to
them. When pushed continuously, (+) or (-) action is performed continuously until max
(0xFF) or min (0x00) in the PWM registers.
Remark: Keys in this routine have been programmed to detect a continuous push applied
to them. When pushed continuously, (+) or (-) action is performed continuously until max
(0xFF) or min (0x00) in the PWM registers.
Table 6:
Table 7:
Table 8:
Table 9:
Table 10:
Brightness control for the 4 white LEDs is performed with the following keys:
Remark: Keys in this routine have been programmed to detect a continuous push applied
to them. When pushed continuously, (+) or (-) action is performed continuously until
max (0xFF) or min (0x00) in the PWM registers.
•
•
•
•
•
Bit 7
Bit 7
Bit 7
Bit 7
Bit 7
Key 9: Blue (+)
Key 0: Speed (-)
Key #: Speed (+)
Key 2: Brightness (-)
Key 3: Brightness (+)
LD12
LD16
LD20
LD4
LD8
PCA933 (White LEDs) - LS0
PCA931 (Misc/Status LEDs) - LS0
PCA931 (Misc/Status LEDs) - LS1
PCA931 (Red/Green/Blue LEDs) - LS0
PCA931 (Red/Green/Blue LEDs) - LS1
Bit 6
Bit 6
Bit 6
Bit 6
Bit 6
Rev. 01 — 7 January 2005
Bit 5
Bit 5
Bit 5
Bit 5
Bit 5
LD11
LD15
LD19
LD3
LD7
Bit 4
Bit 4
Bit 4
Bit 4
Bit 4
Bit 3
Bit 3
Bit 3
Bit 3
Bit 3
LD9 Green
LD14
LD18
LD2
LD6
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Bit 2
Bit 2
Bit 2
Bit 2
Bit 2
LED dimmer demoboard
AN10315
Bit 1
Bit 1
Bit 1
Bit 1
Bit 1
LD9 Red
LD13
LD17
LD1
LD5
Bit 0
Bit 0
Bit 0
Bit 0
Bit 0
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