W83L603G/W83L604G

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Bit4-Bit0: Configures the respective GPO1x output pads function as Open-drain (“0”; by default) or Push-

pull (“1”) mode.

Bit6-5: GP14 / BEEP multi-function configuration register

=11, BEEP frequency = 4KHz; tone = 250 Hz.

=10, BEEP frequency = 2KHz; tone = 10 Hz.

=01, BEEP frequency = 1KHz / 500 Hz; tone= 1 Hz.

=00, BEEP function is disabled on GP14.

Bit7: Reserved for future use.

Register 06h – GP1 interrupt control register

BIT

7

6

5

4

3

2

1

0

R/W

RW

RW

RW

RW

RW

RW

RW

RW

Default

0

0

0

0

0

0

0

0

* This register configures the respective GPI1x pin interrupt control as disable (“0”; by default) or enable

(“1”).

*Clear interrupt status register (CR07) before set to enable.

Register 07h – GP1 interrupt status register

BIT

7

6

5

4

3

2

1

0

R/W

R/clr

R/clr

R/clr

R/clr

R/clr

R/clr

R/clr

R/clr

*The registers are read clear.

*Refer to Section 6.2.3 for implementation.

Register 08h – GP11-GP13 / LED multi-function configuration register

BIT

7

6

5

4

3

2

1

0

R/W

RW

RW

RW

RW

RW

RW

RW

RW

Default

0

0

0

0

0

0

0

0

Bit7-6: GP13 / LED multi-function configuration register

=11, GP13 functions LED output of 2Hz clock, 50% duty cycle.

=10, GP13 functions LED output of 1Hz clock, 50% duty cycle.

=01, GP13 functions LED output of 1/2 Hz clock, 50% duty cycle.

=00, LED function is disabled on GP13. (Default)

Bit5-4: GP12 / LED multi-function configuration register

=11, GP12 functions LED output of 2Hz clock, 50% duty cycle.

=10, GP12 functions LED output of 1Hz clock, 50% duty cycle.

=01, GP12 functions LED output of 1/2 Hz clock, 50% duty cycle.

=00, LED function is disabled on GP12. (Default)

Bit3-2: GP11 / LED multi-function configuration register

=11, GP11 functions LED output of 2Hz clock, 50% duty cycle.

=10, GP11 functions LED output of 1Hz clock, 50% duty cycle.

=01, GP11 functions LED output of 1/2 Hz clock, 50% duty cycle.

=00, LED function is disabled on GP11. (Default)

Bit1-0: GP10 / LED multi-function configuration register

=11, GP10 functions LED output of 2Hz clock, 50% duty cycle.

=10, GP10 functions LED output of 1Hz clock, 50% duty cycle.

=01, GP10 functions LED output of 1/2 Hz clock, 50% duty cycle.

=00, LED function is disabled on GP10. (Default)