VSC056KM datasheet(80/134 Pages) MAXIM

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VSC056

Data Sheet

Revision 4.1

January 2008

Table 4 shows the available output drive combinations.

Table 5 shows the available combinations that can be used to drive an LED.

Table 4. Bypass Driving Modes

BYP0

BYP1

Bypass Driving Mode

Normal GPIO operation, control is defined by the FS2-0, DD, and GPD bits

Open-drain drive, active driver to VSS only

Open-drain source, active driver to VDD only

Totem pole drive, active driver to VSS and VDD

Table 5. LED Options

PTE

FS2

FS1

FS0

GPD

I/O State

0000

Input with weak internal pull-up resistor, default state

0000

Output driven LOW to VSS

0001

Output toggling at 0.25 Hz, drive to VSS only

0010

Output toggling at 0.33 Hz, drive to VSS only

0011

Output toggling at 0.50 Hz, drive to VSS only

0100

Output toggling at 1.00 Hz, drive to VSS only

0101

Output toggling at 2.00 Hz, drive to VSS only

0110

Output toggling at 3.08 Hz, drive to VSS only

0111

Output toggling at 4.00 Hz, drive to VSS only

1000

Pulse Train 0 selected, drive to VSS only

1001

Pulse Train 1 selected, drive to VSS only

1010

Pulse Train 2 selected, drive to VSS only

1011

Pulse Train 3 selected, drive to VSS only

1100

Pulse Train 4 selected, drive to VSS only

1101

Pulse Train 5 selected, drive to VSS only

1110

Pulse Train 6 selected, drive to VSS only

1111

Pulse Train 7 selected, drive to VSS only

0000

Output driven HIGH to VDD

0001

Output toggling at 0.25 Hz, drive to VDD only

0010

Output toggling at 0.33 Hz, drive to VDD only

0011

Output toggling at 0.50 Hz, drive to VDD only

0100

Output toggling at 1.00 H, drive to VDD only

0101

Output toggling at 2.00 Hz, drive to VDD only

0110

Output toggling at 3.08 Hz, drive to VDD only

0111

Output toggling at 4.00 Hz, drive to VDD only

1000

Pulse Train 0 selected, drive to VDD only

1001

Pulse Train 1 selected, drive to VDD only

1010

Pulse Train 2 selected, drive to VDD only

1011

Pulse Train 3 selected, drive to VDD only

1100

Pulse Train 4 selected, drive to VDD only

1101

Pulse Train 5 selected, drive to VDD only

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