141540 MC141540 Datasheet

141540 Datasheet PDF, Equivalent


Part Number

141540

Description

MC141540

Manufacture

Motorola

Total Page 12 Pages
Datasheet
Download 141540 Datasheet


141540
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Monitor On-Screen Display
CMOS
The MC141540 is a high performance HCMOS device designed to interface
with a microcontroller unit to allow colored symbols or characters to be
displayed on a color monitor. The on–chip PLL allows both multi–system
operation and self–generation of system timing. It also minimizes the MCU’s
burden through its built–in 273 bytes display/control RAM. By storing a full
screen of data and control information, this device has a capability to carry out
‘screen–refresh’ without MCU supervision.
www.DataSheet4U.Scoinmce there is no spacing between characters, special graphics–oriented
characters can be generated by combining two or more character blocks.
Special functions such as character bordering or shadowing, multi–level
windows, double height and double width, and programmable vertical length of
character can also be incorporated. Furthermore, neither massive information
update nor extremely high data transmission rate are expected for normal on–
screen display operation, and serial protocols are implemented in lieu of any
parallel formats to achieve minimum pin count.
Fixed Resolution: 320 (CGA) Dots per Line
Fully Programmable Character Array of 10 Rows by 24 Columns
273 Bytes Direct Mapping Display RAM Architecture
Internal PLL Generates a Wide–Ranged System Clock
For High–End Monitor Application, Maximum Horizontal Frequency is
100 kHz (32 MHz Dot Clock)
Programmable Vertical Height of Character to Meet Multi–Sync
Requirement
Programmable Vertical and Horizontal Positioning for Display Center
128 Characters and Graphic Symbols ROM
10 x 16 Dot Matrix Character
Character–by–Character Color Selection
A Maximum of Four Selectable Colors per Row
Double Character Height and Double Character Width
Character Bordering or Shadowing
Three Fully Programmable Background Windows with Overlapping
Capability
Single Positive 5 V Supply
MC141540P4 is a Replacement for XC141540P with Two Symbols Added
in ROM Addresses ‘5C’ and ‘5E’
Order this document
by MC141540/D
MC141540
P SUFFIX
PLASTIC DIP
CASE 648
ORDERING INFORMATION
MC141540P4 Plastic DIP
PIN ASSIGNMENT
VSS(A) 1
VCO 2
RP 3
VDD(A) 4
HFLB 5
SS 6
SDA(MOSI) 7
SCL(SCK) 8
16 VSS
15 R
14 G
13 B
12 FBKG
11 HTONE
10 VFLB
9 VDD
REV 1
2/97 TN97031200
M©OMTotOoroRlaO, InLcA. 1997
MC141540
1

141540
BLOCK DIAGRAM
SDA(MOSI)
SCL(SCK)
SS
www.DataSheet4U.com
VFLB
RP
VCO
HFLB
VDD(A) 4
VSS(A) 1
VDD 9
VSS 16
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MC141540
2
MOTOROLA


Features MOTOROLA SEMICONDUCTOR TECHNICAL DATA Order this document by MC141540/D MC14 1540 Monitor On-Screen Display CMOS The MC141540 is a high performance HCMOS d evice designed to interface with a micr ocontroller unit to allow colored symbo ls or characters to be displayed on a c olor monitor. The on–chip PLL allows both multi–system operation and self generation of system timing. It also minimizes the MCU’s burden through it s built–in 273 bytes display/control RAM. By storing a full screen of data a nd control information, this device has a capability to carry out ‘screen– refresh’ without MCU supervision. Sin ce there is no spacing between characte rs, special graphics–oriented www.Dat aSheet4U.com characters can be generate d by combining two or more character bl ocks. Special functions such as charact er bordering or shadowing, multi–leve l windows, double height and double wid th, and programmable vertical length of character can also be incorporated. Furthermore, neither massive information updat.
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