M69030 Asiliant Technologies, M69030 Datasheet - Page 277

• 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

FR48
read/write at I/O address 3D1h with index at I/O address 3D0h set to 48h
shadowed only for pipeline A
Note: When the FP Display engine is enabled (when FR01 bit 1 is set to 1), it uses this register.
7-5
4
3
2
1
0
`efmp
A
B

Reserved (R/W) (reset state: 0)
Enable Text Mode Vertical Stretching (ETVS)
Text Mode Vertical Stretching Priority
Enable Vertical Line Replication (EVLR)
Enable Vertical Centering
Enable Vertical Compensation (EVCP)
69030 Databook
7
Vertical Compensation Register
Reserved (R/W)
0: Disable vertical stretching (default)
1: Enable vertical stretching
0: Priority: ETVS, EVLR (default)
1: Priority: EVLR, ETVS
This bit is effective in text modes if bits 2 and 4 are set.
0: Disables vertical line replication (default)
1: Enables vertical line replication
This bit is effective in both text and graphics modes.
0: Disables vertical centering (default)
1: Enables vertical centering
This bit is effective only when bit 0 is "1".
0: Disables vertical compensation feature (default)
1: Enables vertical compensation feature
(000)
6
5
not shadowed for this pipeline
Flat Panel Registers
ETVS
(0)
4
Text Mode
Stretch
(0)
3
EVLR
(0)
2
Centering
Vertical
Revision 1.3 11/24/99
(0)
1
EVCP
(0)
0
15-39