12-Segment x 16-Digit or 16-Segment x12-Digit Display Controller/Driver
Description
FEDL7110-03 ¡ Semiconductor
FEDL7110-03 This version: Sep.
2000 MSC7110-01/7112-01 Previous version: Nov.
1997
¡ Semiconductor MSC7110-01/7112-01
GENERAL DESCRIPTION
12-Segment ¥ 16-Digit or 16-Segment ¥ 12-Digit Display Controller/Driver
The MSC7110-01/MSC7112-01 is a display controller to display the timer of video tape recorder, channel operation, and other infomaiton by a vaccum fluorescent display tube.
Display data is input by serial transfer from microcontroller.
FEATURES
• Provides the interface with a microcontroller by three signal lines.
: DATA IN, CLOCK, and LOAD • Driver output can directly be connected to a vaccum fluorescent display tube without a pull-down resistor.
• Display is turned on by dynamic drive mode.
• The number of display digits are programmable in the range of : 1 to 12 digits (MSC7112-01) 1 to 16 digits (MSC7110-01) • 12-segment driver output : 16 driver outputs (MSC7112-01) 12 driver outputs (MSC7110-01) • The LED drivers can turn on 5 outputs statically.
• RAM data can directly be displayed.
• The brightness adjustment is programmable and brightness can be adjusted every 1/15 step.
• Built-in power-on-reset circuit • The vacuum fluorescent display tube driver outputs high withstand voltage : VDD-VEE=45V (max).
• Logic supply voltage : VDD=5V ± 10% • Package options: 42-pin plastic SDIP (SDIP42-P-600-1.
778) : (Product name : MSC7112-01SS) 44-pin plastic QFP (QFP44-P-910-0.
80-2K) : (Product name : MSC7110-01GS-2K/MSC7112-01GS-2K)
1/18
¡ Semiconductor
BLOCK DIAGRAM
SCLK DATA IN LOAD I 18-bit S•R 18 POR bit 18 b 0-16 17 RAM 17 16W ¥ 17bits A0-A3 TEST MODE fW RAM PC L
RAM f R
LATCH
LATCH
SEG DRV SEG A (b0)
L 18-bit LATCH bit 0 LOAD 3 b15-17
(ROM) 17 PLA Address 32 ¥ 16bits 16 Q 12 ¥ 12
COMMAND DECODER 4
1
L PLA fR
OE DIGIT DRV
SEG L
(b11)
PLA PC1 CONTROL W/R 4 b0-3 4
TIMING GENERATOR
PC2 DECODER
ADDRESS SELECTOR
D1 LATCH 4 4 L
DIGIT LOAD BLANK
(0)
MSC7110-01
4 R•A•C R A=B R•A•C COUNT
D•R LATCH ADDRESS COMP
OSCI ...
Similar Datasheet
