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MC141540P4

更新时间： 2024-11-05 01:22:15
品牌 Logo 应用领域
摩托罗拉 - MOTOROLA /
页数 文件大小 规格书
12页 190K
描述
Monitor on-Screen Display

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MC141540P4 数据手册

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Order this document  
by MC141540/D  
SEMICONDUCTOR TECHNICAL DATA  
CMOS  
P SUFFIX  
PLASTIC DIP  
CASE 648  
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.  
ORDERING INFORMATION  
MC141540P4 Plastic DIP  
Since 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.  
PIN ASSIGNMENT  
V
V
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
V
SS(A)  
SS  
VCO  
R
RP  
)
G
B
DD(A  
HFLB  
•
•
•
•
•
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)  
FBKG  
HTONE  
VFLB  
SS  
SDA(MOSI)  
SCL(SCK)  
V
DD  
•
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’  
REV 1  
2/97  
TN97031200  
Motorola, Inc. 1997  
1234567...12

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