pca9634 NXP Semiconductors, pca9634 Datasheet - Page 10

• Manufacturer Part Number: pca9634
• Description: Pca9634 8-bit Fm I2c-bus Led Driver
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 5.
[1]
Table 6.
Legend: * default value.
PCA9634_4
Product data sheet
Register number (hex)
00
01
02
03
04
05
06
07
08
09
0A
0B
0C
0D
0E
0F
10
11
Bit
7
6
5
Only D[4:0] = 0 0000 to 1 0001 are allowed and will be acknowledged. D[4:0] = 1 0010 to 1 1111 are reserved and will not be
acknowledged.
Symbol
AI2
AI1
AI0
Register summary
MODE1 - Mode register 1 (address 00h) bit description
7.3.1 Mode register 1, MODE1
7.3 Register definitions
When the Control register is written, the register entry point determined by D[4:0] is the
first register that will be addressed (read or write operation), and can be anywhere
between 0 0000 and 1 0001 (as defined in
flag is set and the rollover value at which the register increment stops and goes to the next
one is determined by AI[2:0]. See
register = 1110 1100 (ECh), then the register addressing sequence will be (in hex):
0C
as the master keeps sending or reading data.
Access
read only
read only
read only
D4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
[1]
…
D3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
11
D2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
Value
0
1*
0*
1
0*
1
00
D1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
Rev. 04 — 5 January 2007
…
Description
register Auto-Increment disabled
register Auto-Increment enabled
Auto-Increment bit 1 = 0
Auto-Increment bit 1 = 1
Auto-Increment bit 0 = 0
Auto-Increment bit 0 = 1
D0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0B
Name
MODE1
MODE2
PWM0
PWM1
PWM2
PWM3
PWM4
PWM5
PWM6
PWM7
GRPPWM
GRPFREQ
LEDOUT0
LEDOUT1
SUBADR1
SUBADR2
SUBADR3
ALLCALLADR
Table 4
02
for rollover values. For example, if the Control
…
Table
0B
5). When AI[2] = 1, the Auto-Increment
Type
read/write
read/write
read/write
read/write
read/write
read/write
read/write
read/write
read/write
read/write
read/write
read/write
read/write
read/write
read/write
read/write
read/write
read/write
02
8-bit Fm+ I
…
Function
Mode register 1
Mode register 2
brightness control LED0
brightness control LED1
brightness control LED2
brightness control LED3
brightness control LED4
brightness control LED5
brightness control LED6
brightness control LED7
group duty cycle control
group frequency
LED output state 0
LED output state 1
I
I
I
LED All Call I
2
2
2
C-bus subaddress 1
C-bus subaddress 2
C-bus subaddress 3
0B
PCA9634
2
© NXP B.V. 2007. All rights reserved.
C-bus LED driver
02
2
C-bus address
… as long
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