M69030 Asiliant Technologies, M69030 Datasheet - Page 276

• 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

15-38
FR41
read/write at I/O address 3D1h with index at I/O address 3D0h set to 41h
shadowed only for pipeline A
Note: This register is used when FR01 bit 1 is set to 1 and FR40 bit 0 is set to 1 and graphics mode is
enabled. This register must be set before FR40.
7-4
3
2
1
0
`efmp
A
B

Reserved
Reserved (R/W) (reset state: 0)
FP Enable Horizontal Stretching for 1024-column Graphics Mode
FP Enable Horizontal Stretching for 800-column Graphics Mode
FP Enable Horizontal Stretching for 640-column Graphics Mode
69030 Databook
7
Horizontal Stretching Register
0: Disable horizontal stretching for 1024-column graphics mode.
1: Enable horizontal stretching for 1024-column graphics mode.
Note: That 1024-column graphics mode includes 512-column graphics mode with
horizontal pixel doubling enabled.
0: Disable horizontal stretching for 800-column graphics mode.
1: Enable horizontal stretching for 800-column graphics mode.
Note: That 800-column graphics mode includes 400-column graphics mode with
horizontal pixel doubling enabled.
0: Disable horizontal stretching for 640-column graphics mode.
1: Enable horizontal stretching for 640-column graphics mode.
Note: The 640-column graphics mode includes 320-column graphics mode with horizontal
pixel doubling enabled.
6
Reserved
(0000)
5
not shadowed for this pipeline
Flat Panel Registers
4
Reserved
(R/W)
(0)
3
Hor Stretch
1024 Col
2
Hor Stretch
800 Col
Revision 1.3 11/24/99
1
Hor Stretch
640 Col
0