1024 ms

512

ms 1024 ms

1024 ms

1024 ms

2048 ms

512

ms

512

ms

100%

256

ms

512

ms

1024 ms

80%

512

ms

256

ms

512

ms

512

ms 1024 ms

BANK0

BANK1

TCA6507

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SCPS164C – MAY 2007 – REVISED JANUARY 2016

Typical Application (continued)

Figure 23. Blinking Pattern for the Two Banks

9.2.2 Detailed Design Procedure

For the typical application blinking pattern seen in Figure 23, the desired values are listed in Table 23, with the

corresponding registers and values.

Table 23. LED Pattern

BANK1

BANK0

BANK1 NIBBLE

BANK0 NIBBLE

REGISTER

SECTION

UNIT

REGISTER

VALUE

VALUE

(HEX)

(HEX)

VALUE (HEX)

Fade-ON time

256

1024

ms

0x03

0x4

0x8

0x48

Fully-ON time

512

512

ms

0x04

0x6

0x6

0x66

Fade-OFF time

512

1024

ms

0x05

0x6

0x8

0x68

First fully-OFF time

1024

512

ms

0x06

0x8

0x6

0x86

Second fully-OFF

1024

2048

ms

0x07

0x8

0xA

0x8A

time

Maximum

62.5

100

%

0x08

0x9

0xF

0x9F

brightness

The select register values are shown in Table 24.

Table 24. Select Registers

REGISTER

VALUE

VALUE

(BINARY)

(HEX)

NAME

ADDRESS

SELECT0

0x00

8b0000 0100

0x04

SELECT1

0x01

8b0000 0101

0x05

SELECT2

0x02

8b0000 0111

0x07

With the above values for the appropriate registers, the next step must be to write the values to the device. This

can be accomplished very easily with the auto-increment feature (see Auto-Increment Mode for more

information).

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