pca9633 NXP Semiconductors, pca9633 Datasheet - Page 19

• Manufacturer Part Number: pca9633
• Description: Pca9633 4-bit Fm+ I2c-bus Led Driver
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 18.
[1]
[2]
PCA9633_3
Product data sheet
LEDOUT
00
LED driver off
01
LED driver on
10
Individual
brightness
control
11
Individual +
Group
dimming/blinking
OE applies to 16-pin version only. When OE = 1, LED output state is controlled only by OUTNE[1:0] bits (MODE2 register).
External pull-up or LED current limiting resistor connects LEDn to V
Output transistors based on LEDOUT registers, INVRT and OUTDRV bits when OE = 0
INVRT
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
OUTDRV Upper transistor
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
(V
off
on
off
off
off
off
off
on
off
Individual PWM
(non-inverted)
off
Individual PWM
(inverted)
off
Individual PWM
(non-inverted)
off
Individual PWM
(inverted)
DD
to LEDn)
Rev. 03 — 20 December 2006
Lower transistor
(LEDn to V
off
off
on
on
on
on
off
off
Individual PWM
(non-inverted)
Individual PWM
(non-inverted)
Individual PWM
(inverted)
Individual PWM
(inverted)
Individual + Group
PWM
(non-inverted)
Individual PWM
(non-inverted)
Individual + Group
PWM (inverted)
Individual PWM
(inverted)
DD
.
SS
)
LEDn state
high-Z
V
V
V
V
V
high-Z
V
V
V
high-Z
V
V
V
high-Z
(1
V
(1
DD
SS
SS
SS
SS
DD
SS
SS
DD
SS
SS
DD
or high-Z
or V
or high-Z
or V
or V
GRPPWM) values
or V
GRPPWM) values
[2]
[2]
[2]
[2]
DD
DD
SS
SS
or V
or V
4-bit Fm+ I
= PWMx value
= 1
= PWMx/GRPPWM values
= (1
SS
SS
[2]
[2]
= PWMx value
= 1
= PWMx/GRPPWM values
= (1
PWMx value
PWMx) or
PWMx value
PCA9633
PWMx) or
2
© NXP B.V. 2006. All rights reserved.
C-bus LED driver
[1]
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