M69030 Asiliant Technologies, M69030 Datasheet - Page 219

• 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

XRAB
read/write at I/O address 3D7h with index at I/O address 3D6h set to ABh
shared by both pipelines A and B
7-6
5-0
XRAC
read/write at I/O address 3D7h with index at I/O address 3D6h set to ACh
shared by both pipelines A and B
7-0
`efmp
A
&
B
A
&
B

Reserved
Cursor 2 Base Address Bits 21-16
Cursor 2 X-Position Magnitude Bits 7-0
69030 Databook
7
7
Reserved
(00)
Cursor 2 Base Address High Register
Cursor 2 X-Position Low Register
These bits always return the value of 0 when read.
These six bits provide the six most significant bits of a 22-bit value that specifies the offset
from the beginning of the frame buffer memory space where the 4KB cursor data space for
cursor 2 is to be located. The four next most-significant bits of this 22-bit value are supplied
by the Cursor 2 Base Address Low Register (XRAA).
This register provides the eight least significant magnitude bits of a signed 12-bit value that
specifies the horizontal position of cursor 2. The three most significant magnitude bits and
the sign bit of this value are provided by bits 2-0 and bit 7, respectively, of the Cursor 2 X-
Position High Register (XRAD).
6
6
5
5
Cursor 2 X-Position Magnitude Bits 7-0
Extension Registers
4
4
Cursor 2 Base Address Bits 21-16
(00h)
3
3
(00:0000)
2
2
Revision 1.3 11/24/99
1
1
0
0
14-39