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UPD3301-1 の電気的特性と機能

UPD3301-1のメーカーはNECです、この部品の機能は「Programmable CRT Controller」です。


製品の詳細 ( Datasheet PDF )

部品番号 UPD3301-1
部品説明 Programmable CRT Controller
メーカ NEC
ロゴ NEC ロゴ 




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UPD3301-1 Datasheet, UPD3301-1 PDF,ピン配置, 機能
NEe
NEe Microcomputers, Inc.
",PD3301-1
",PD3301-2
~m~[~~~~illmW
PROGRAMMABLE CRT CONTROLLER
DESC RIPT ION
The IlPD3301 is an LSI chip designed for use in CRT controllers. It contains a synchronous signal
generator. row buffer. and attribute memory. This CRT controller is capable of handling not only
black and white CRT. but also color CRT. The IlPD3301 provides control signals which simplify
the design of the external circuitry needed in the systems. Thus, this device is a versatile controller
that relieves the main CPU (and users) of many of the control burdens associated with imple-
menting a CRT interface.
There are 8 separate commands which the IlPD3301 will execute. Some of these commands require
multiple bytes to fully specify the operation which the processor wishes the CRT controller to
perform. The following commands ore available:
• RESET
• SET INTERRUPT MASK
• RESET INTERRUPT
• STOP DISPLAY
• READ LIGHT PEN
• RESET COUNTERS
• START DISPLAY
• LOAD CURSOR POSITION
FEATU RES
Programmable Screen and Character Format Capabilities;
-. Characters per Row (up to 80 characters/row)
- Lines per Character (up to 32 lines/character}
- Rows per Frame (up to 64 rows/frame)
- Horizontal Retrace Time
- Vertical Retrace Time
- Blinking Time
- DMA Control Mode
- Cursor Control Mode
• Three Independent Visual Field Attribute Modes such as;
- Transparent Attribute Color Mode
- Transparent Attribute Black and White Mode
- Non·Transparent Attribute Black and White Mode
• 12 Independent Field Attribute Functions such as;
- Vertical Line
- Blue
- Blinking
- Over-Line
- Red
- General Purpose
- Reverse Video
- Under-Line
- Green
- Secret
- High-Light
- General Purpose Color
• Light Pen Detection
• Maximum 256 Different Characters Control Capability
• Fully Bus Compatible with 8080
• 3 MHz Single Clock Input
• Single Power Supply. +5V N-MOS Technology
• Available in 40 pin Plastic and Ceramic Dual-In-Line Packages
PIN CONFIGURATION
VRTC
RVV
CSR
L PEN
INT
ORO
DACK
AO
RD
WR
CS
DBO
DB1
DB2
DB3
DB4
DBS
DBS
oB7
GND
1
2
3
4
S
6
7
8
9
/lPD
3301
VCC (+5V)
SLO
LCO
LC1
LC2
LC3
VSP
SL12
GPA
31 HLGT
CC7
CCs
CCs
CC4
CC3
CC2
CC1
CCo
CCLK
HRTC
VRTC
RVV
CSR
L PEN
INT
ORO
DACK
An
RD
WR
CS
DBO-7
HRTC
CCLK
CCO-7
HLGT
GPA
SL12
VSP
LCO_3
SLO
PIN NAMES
Vertical Retrace
Reverse Video
Cursor
Light Pen
Interrupt
DMA Request
DMA Acknowledge
Address Bus 0
Read
Write
Chip Select
Data Bus 0 II> 7
Horizontal Retrace
Character Clock
Character Copes 0 to 7
High-light
General Purpose Attribute
Slit Line 12
Video Suppression
Line Counter 0 to 3
Slit Line 0
II

1 Page





UPD3301-1 pdf, ピン配列
jLPD3301
FUNCTIONAL
DESCRIPTION (CONT.)
Line Counter
Counts the events of Rasters/Line, up to the number indicated by Lines/Character.
Raster Timing and Video Control
• Outputs the HRTe based on the Character Counter during the time indicated by Horizontal
Retrace Time.
• Outputs the VATe based on Row Counter which counts up the contents, row by row, during
the time indicated by Vertical Retrace Time.
• Outputs HLGT, RVV, VSP, SLO, SL12, GPA based on attribute codes transferred from the
Buffer Output Controller.
• Outputs the CSA based on the Blinking Time etc. at the position indicated by Cursor Address.
Light Pen Register
ABSOLUTE MAXIMUM
RATINGS*
Memorizes a row address and column address when the L PEN signal is input. By using READ
LIGHT PEN instruction, the CPU can read the contents.
Operating Temperature.
Storage Temperature.
All Output Voltages
All Input Voltages
Supply Voltage VCC .
.0°c to +70°C
-65' C to +125° C
· -0.5 to +7 Volts
· -0.5 to +7 Volts
· -0.5 to +7 Volts
COMMENT: Stress above those listed under "Absolute Maximum Ratings" may cause permanent
damage to the device. This is a stress rating only and functional operation of the device at these or
any other conditions above those indicated in the operational sections of this specification is not
implied. Exposure to absolute maximum rating conditions for extended periods may affect device
reliability .
'Ta = 25'C
DC CHARACTE RISTICS
Ta = o°c to +70°C; VCC = +5V ± 5%
PARAMETER
Input Low Voltage
Input High Voltage
Output Low Voltage
Output High Voltage
SYMBOL
VIL
VIH
VOL
VOH
Low Level Input Leakage
High Level I nput Leakage
Low Level Output Leakage
High Level Output Leakage
Power Supply Current
IlL
IIH
IOL
IOH
ICC
LIMITS
MIN TYP MAX
UNIT
TEST
CONDITIONS
-0.5
0.8 V
2.2 VCC + 0.5 V
0.45
V IOL - 1.6 rnA
2.4 VCC
V DBO-7:IOH - -150 !lA,
All Others: -80 !lA
-10 ilA VIN =O.v
+10 !lA VIN ~ VCC
-10 ilA VOUT = OV
+10 ilA VOUT - VCC
90 mA
CAPACITANCE
PARAMETER
I nput Capacitance
Output Capacitance
LIMITS
SYMBOL
MIN MAX
CIN
COUT
10
20
UNIT TEST CONDITIONS
fc; 1 MHz,
pF All Pins Except Pin
pF Under Test Tied to
AC Ground
469


3Pages


UPD3301-1 電子部品, 半導体
JLPD3301
The data is transferred from the external memory which contains the information about characters
and attributes to the Row Buffer under the control of ).IPD8257 DMA Controller. The data read
from the Row Buffer are Video Control Outputs and ROM Address Signal Outputs toward External
Character Generator. The ,uPD3301 also outputs horizontal and vertical retrace signals.
SYSTEM CON FIGU RAT ION
MEMORY
SYSTEM BUS
r-
R
G
~
IB
r-- VIDEO
COLO~
....
HI-SPEED
VIDEO INTERFACE
r - H. DRIVE
r - V. DRIVE
n
VRTC
RVV
r - BRIGHTNESS
L PEN
C CLK
CSR
CHARACTER
GENERATOR
H_ ~lLCO-3 CCO-7
AO CS....
HRTC
HLGT
GPA
SL12
VSP
SLO
,.
RD WR
INT
......
... DBO-7
).IPD3301
CRTC
DRQ
DACK
MEMR MEMW
.~ A5 - A15 HLDR
ts HLDA RESET cjJ2
A
).IPD8257
DMA CONTROLLER
DBO_7 AO-3
IIOR IIOW
100-
472

6 Page



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共有リンク

Link :


部品番号部品説明メーカ
UPD3301-1

Programmable CRT Controller

NEC
NEC
UPD3301-2

Programmable CRT Controller

NEC
NEC


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