M69030 Asiliant Technologies, M69030 Datasheet - Page 127
M69030
Manufacturer Part Number
M69030
Description
Manufacturer
Asiliant Technologies
Datasheet
1.M69030.pdf
(387 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
M69030
Manufacturer:
CHIPS
Quantity:
20 000
Part Number:
M69030P
Manufacturer:
MIT
Quantity:
20 000
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5
4-0
`efmp
Count By 4
Underline Location
69030 Databook
0: The memory address counter is incremented either every character clock or every other
character clock, depending upon the setting of bit 3 of the CRT Mode Control Register.
1: The memory address counter is incremented either every 4 character clocks or every 2
character clocks, depending upon the setting of bit 3 of the CRT Mode Control Register.
Note: This bit is used in conjunction with bit 3 of the CRT Mode Control Register (CR17)
to select the number of character clocks are required to cause the memory address counter
to be incremented as shown, below:
These 5 bits specify which horizontal line of pixels in a character box is to be used to display
a character underline in text mode. The horizontal lines of pixels within a character box are
numbered from top to bottom, with the top-most line being number 0. The value specified
by these 5 bits should be the number of the horizontal line on which the character underline
mark is to be shown.
CR14
Bit 5
0
0
1
1
CR17
Bit 3
0
1
0
1
CRT Controller Registers
Address Incrementing Interval
every 2 character clocks
every 4 character clocks
every 2 character clocks
every character clock
Revision 1.3 11/24/99
9-25
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