AMD M56 Reference Manual page 337

Table of Contents

Advertisement

Field Name
DC_GPIO_HSYNCA_Y (R)
DC_GPIO_VSYNCA_Y (R)
Output values of the HSYNCA & VSYNCA pads.
Field Name
DC_GPIO_HSYNCB_MASK
DC_GPIO_VSYNCB_MASK
Control GPIO functionality of the HSYNCB & VSYNCB pads - all fields are active high.
Field Name
DC_GPIO_HSYNCB_A
DC_GPIO_VSYNCB_A
Asynchronous inputs for the HSYNCB & VSYNCB pads when the GPIO functionality is enabled by the DC_GPIO_SYNCB_MASK register.
Field Name
DC_GPIO_HSYNCB_EN
DC_GPIO_VSYNCB_EN
Output enable values for the HSYNCB & VSYNCB pads when the GPIO functionality is enabled by the DC_GPIO_SYNCB_MASK register.
Field Name
DC_GPIO_HSYNCB_Y (R)
DC_GPIO_VSYNCB_Y (R)
Output values of the HSYNCB & VSYNCB pads.
Field Name
DC_GPIO_HPD1_MASK
© 2007 Advanced Micro Devices, Inc.
Proprietary
DC_GPIO_SYNCA_Y - RW - 32 bits - DISPDEC:0x7E7C
Bits
Default
0
0x0
8
0x0
DC_GPIO_SYNCB_MASK - RW - 32 bits - DISPDEC:0x7E80
Bits
Default
0
0x0
8
0x0
DC_GPIO_SYNCB_A - RW - 32 bits - DISPDEC:0x7E84
Bits
Default
0
0x0
8
0x0
DC_GPIO_SYNCB_EN - RW - 32 bits - DISPDEC:0x7E88
Bits
Default
0
0x0
8
0x0
DC_GPIO_SYNCB_Y - RW - 32 bits - DISPDEC:0x7E8C
Bits
Default
0
0x0
8
0x0
DC_GPIO_HPD_MASK - RW - 32 bits - DISPDEC:0x7E90
Bits
Default
0
0x0
Description
Value on HSYNCA pad.
Value on VSYNCA pad.
Description
Enable/Disable GPIO functionality on HSYNCB pad
0=Pad Driven by Hardware - Normal Operation
1=Pad Controlled by Software through associated GPIO registers.
Pad values generated by hardware are overridden.
Enable/Disable GPIO functionality on VSYNCB pad
0=Pad Driven by Hardware - Normal Operation
1=Pad Controlled by Software through associated GPIO registers.
Pad values generated by hardware are overridden.
Description
Asynchronous input for HSYNCB when DC_GPIO_HSYNCB_MASK
= 1.
Asynchronous input for VSYNCB when DC_GPIO_VSYNCB_MASK
= 1.
Description
Output enable for HSYNCB when DC_GPIO_HSYNCB_MASK = 1.
Output enable for VSYNCB when DC_GPIO_VSYNCB_MASK = 1.
Description
Value on HSYNCB pad.
Value on VSYNCB pad.
Description
Enable/Disable GPIO functionality on HPD1 pad
0=Pad Driven by Hardware - Normal Operation
1=Pad Controlled by Software through associated GPIO registers.
Pad values generated by hardware are overridden.
M56 Register Reference Manual
Display Output Registers
2-331

Advertisement

Table of Contents
loading

Table of Contents