M69030 Asiliant Technologies, M69030 Datasheet - Page 141

• 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

CR71
read/write at I/O address 3B5h/3D5h with index at address 3B4h/3D4h set to 71h
shadowed only for pipeline B
7
6
5
4-3
2-0
`efmp
A
B
NTSC/ PAL

NTSC/PAL Select
Pedestal Enable
Blanking Delay Control
Composite Sync Character Clock Delay
Composite Sync Pixel Clock Delay
69030 Databook
Sel
7
NTSC/PAL Video Output Control Register
0: Selects NTSC-formatted video output.
1: Selects PAL-formatted video output.
0: Disables the provision of an additional voltage pedestal on red, green and blue analog
output lines during the active video portions of each horizontal line.
1: Enables the provision of an additional voltage pedestal on the red, green, and blue
analog output lines during the active video portions of each horizontal line.
0: Blanking period is not delayed on odd frames.
1: Blanking period is delayed by half a scanline on odd frames.
These 2 bits specify the number of character clocks (from 0 to 3) by which the composite
sync may be delayed.
These 3 bits specify the number of pixel clocks (from 0 to 7) by which the composite sync
may be delayed.
Pedestal
Enable
6
Delay Ctrl
Blanking
5
CRT Controller Registers
Composite Sync Character
4
Clk Delay
reserved
3
2
Composite Sync
Pixel Clk Delay
Revision 1.3 11/24/99
1
0
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