M69000 Asiliant Technologies, M69000 Datasheet - Page 279
M69000
Manufacturer Part Number
M69000
Description
Manufacturer
Asiliant Technologies
Datasheet
1.M69000.pdf
(360 pages)
Specifications of M69000
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16-24
MR32
read/write at I/O address 3D3h with index at address 3D2h set to 32h
default = 00h
7-2
1-0
MR33
read/write at I/O address 3D3h with index at address 3D2h set to 33h
default = 00h
7-2
1-0
&+,36
7
7
H-ZOOM
Reserved
V-ZOOM
Reserved
69000 Databook
H-ZOOM Register
V-ZOOM Register
When enabled by setting bit 2 of the Playback Control 1 Register (MR1E) to 1, these six
bits are used to specify the zoom factor by which the playback image is magnified.
Zoom factor = 100h / (value of bits 7 to 2 of this register)
Examples of programmed values:
These bits always return the value of 0 when read.
When enabled by setting bit 3 of the Playback Control 1 Register (MR1E) to 1, these six
bits are used to specify the zoom factor by which the playback image is magnified.
These bits always return the value of 0 when read.
6
6
Zoom factor = 100h / (value of bits 7 to 2 of this register)
5
5
7 6 5 4 3 2
1 0 0 0 0 0
0 1 0 0 0 0
0 0 1 0 0 0
7 6 5 4 3 2
1 0 0 0 0 0
0 1 0 0 0 0
0 0 1 0 0 0
H-ZOOM
V-ZOOM
Subject to Change Without Notice
Bits
Bits
Multimedia Registers
Examples of programmed values:
4
4
3
3
Zoom Factor
Zoom Factor
Magnify by 2
Magnify by 4
Magnify by 8
Magnify by 2
Magnify by 4
Magnify by 8
Resulting
Resulting
2
2
Revision 1.3 8/31/98
1
1
Reserved (00)
Reserved (00)
0
0
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