M69030 Asiliant Technologies, M69030 Datasheet - Page 234

• Manufacturer Part Number: M69030
• Manufacturer: Asiliant Technologies

Specifications of M69030

• Operating Temperature (min): 0C
• Operating Temperature Classification: Commercial
• Operating Temperature (max): 70C
• Rad Hardened: No
• Lead Free Status / Rohs Status: Supplier Unconfirmed

14-54
XRD0
read/write at I/O address 3D7h with index at I/O address 3D6h set to D0h
partially shared and partially shadowed for pipelines A and B
7
This bit always returns the value of 0 when read.
6
5
4
3
2
1
0
`efmp
A
B
Reserved

Reserved
Video Data Port Enable
Video Data Capture Function Enable
Video Data Playback Function Enable
Memory Clock VCO Enable
Dot Clock VCO Enable
Palette Enable
CRT Output Enable Status
69030 Databook
(0)
7
Powerdown Control Register
0: Disables the video data port. This is the default after reset.
1: Enables the video data port.
0: Disables the capturing of video data.
1: Enables the capturing of video data. This is the default after reset.
0: Disables the playback of video data on a given pipeline.
1: Enables the playback of video data on a given pipeline. This is the default after reset.
0: Disables the memory clock VCO.
1: Enables the memory clock VCO. This is the default after reset.
0: Disables the dot clock VCO on a given pipeline.
1: Enables the dot clock VCO on a given pipeline. This is the default after reset.
0: Disables the palette on a given pipeline.
1: Enables the palette on a given pipeline. This is the default after reset.
Note: This bit is read-only. This bit reflects the current state of bit 4 of FR02. It is provided
only for compatibility with older software. Writes to this bit will be ignored.
0: At least the D-to-A converters of the CRT output have been disabled via bit 4 of FR02.
Depending on the state of bit 4 of FR06, the HSYNC and VSYNC outputs may also have
been tri-stated.
1: The CRT output has NOT been disabled via bit 4 of FR02.
Video Port
Enable
(0)
6
Capture
Enable
(1)
5
Extension Registers
Playback En
Playback En
Pipeline A
Pipeline B
(1)
(1)
4
MCLK VCO
Enable
(1)
3
Pipe B DCLK
Pipe A DCLK
VCO En
VCO En
(1)
(1)
2
Palette En
Palette En
Pipeline A
Pipeline B
Revision 1.3 11/24/99
(1)
(1)
1
CRT Output
Enable
Status
(1)
0