10

VP7615

Address 0x0A GPIO Output Control Register

Read/Write

Bit 7

GPIO7 Output Enable

Bit 6

GPIO6 Output Enable

Bit 5

GPIO5 Output Enable

Bit 4

GPIO4 Output Enable

Bit 3

GPIO3 Output Enable

Bit 2

GPIO2 Output Enable

Bit 1

GPIO1 Output Enable

Bit 0

GPIO0 Output Enable

‘0’ =

Corresponding GPIO pin is tristated/not driven.

‘1’ =

Corresponding GPIO pin is driven to level of corresponding bit in GPIO Output Register.

Address 0x0B GPIO Output Register

Write Only

Bit 7

GPIO7 Output Level

Bit 6

GPIO6 Output Level

Bit 5

GPIO5 Output Level

Bit 4

GPIO4 Output Level

Bit 3

GPIO3 Output Level

Bit 2

GPIO2 Output Level

Bit 1

GPIO1 Output Level

Bit 0

GPIO0 Output Level

‘0’ =

If corresponding GPIO Output Enable bit is ‘1’, then drive the appropriate GPIO pin to ‘0’

‘1’ =

If corresponding GPIO Output Enable bit is ‘1’, then drive the appropriate GPIO pin to ‘1’

‘X’ =

If the corresponding GPIO Output Enable bit it ‘0’, then tri-state the appropriate GPIO pin.

Address 0x0B GPIO Input Register

Read Only

Bits 7 - 0

GPIO Input Register

This register represents the level on the corresponding GPIO pins.

7

GPOE7

6

GPOE6

5

GPOE5

4

GPOE4

3

GPOE3

2

GPOE2

1

GPOE1

0

GPOE0

7

GPO7

6

GPO6

5

GPO5

4

GPO4

3

GPO3

2

GPO2

1

GPO1

0

GPO0

7

GPI7

6

GPI6

5

GPI5

4

GPI4

3

GPI3

2

GPI2

1

GPI1

0

GPI0