NJU6624A/B New Japan Radio Co., Ltd., NJU6624A/B Datasheet

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NJU6624A/B

Manufacturer Part Number
NJU6624A/B
Description
12-character 1-line Dot Matrix LCD Controller Driver With Smooth Scroll Function
Manufacturer
New Japan Radio Co., Ltd.
Datasheet
g g GENERAL DESCRIPTION
g g FEATURES
The NJU6624A/B is a Dot Matrix LCD controller driver for 12-character
The NJU6624A/B is a Dot Matrix LCD controller driver for 12-character
1-line with icon display in single chip.
1-line with icon display in single chip.
It contains bleeder resistance, general output port, keyscan circuit,
It contains bleeder resistance, general output port, keyscan circuit,
CR oscillator, microprocessor interface circuit, instruction decoder con-
CR oscillator, microprocessor interface circuit, instruction decoder con-
troller, character generator ROM/RAM, high voltage operation com-
troller, character generator ROM/RAM, high voltage operation com-
mon and segment drivers, and others.
mon and segment drivers, and others.
The character generator ROM consisting of 7,840 bits stores 224 kinds
The character generator ROM consisting of 7,840 bits stores 224 kinds
of character Font. Each 1,120 bits CG RAM and Icon display RAM
of character Font. Each 1,120 bits CG RAM and Icon display RAM
can store 32 kinds of special character displayed on the dot matrix
can store 32 kinds of special character displayed on the dot matrix
display area or 60 kinds of Icon on the Icon display area.
display area or 60 kinds of Icon on the Icon display area.
The 8-common (7 for character, 1 for icon) and 71-segment drivers
The 8-common (7 for character, 1 for icon) and 71-segment drivers
operate 12-character 1-line with 60 Icon LCD display and LED driver
operate 12-character 1-line with 60 Icon LCD display and LED driver
drives 4 LED which can use like as indicator.
drives 4 LED which can use like as indicator.
The 16th display contrast control function is incorporated. Therefore,
The 16th display contrast control function is incorporated. Therefore,
the contrast adjustment is operated easily by only simple power sup-
the contrast adjustment is operated easily by only simple power sup-
ply circuit on-chip.
ply circuit on-chip.
The complete CR oscillator requires no external components.
The complete CR oscillator requires no external components.
The serial interface which operates by 1MHz, communicates with ex-
The serial interface which operates by 1MHz, communicates with ex-
ternal MCU.
ternal MCU.
As an outstanding feature, NJU6624A/B realizes the horizontal smooth
As an outstanding feature, NJU6624A/B realizes the horizontal smooth
scroll of characters by combination of instructions.
scroll of characters by combination of instructions.
The combination of NJU6624A as the Master and NJU6624B as the
The combination of NJU6624A as the Master and NJU6624B as the
slave drive the 12-character and 2-line LCD panel or 24-character 1-
slave drive the 12-character and 2-line LCD panel or 24-character 1-
line in 1/8 duty.
line in 1/8 duty.
n n 12-character 1-line Dot Matrix LCD Controller Driver
n n Maximum 60 Icon Display
n n Serial Direct Interface with Microprocessor
n n Display Data RAM
n n Character Generator ROM
n n Character Generator RAM
n n Icon Display RAM
n n High Voltage LCD Driver
n n Duty and Bias Ratio
n n Master/Slave Function
n n Useful Instruction Set
n n 32Key Input (4x8 keyscan)
n n G General output port (4 ports)
n n Power On Initialization / Hardware Reset
n n Bleeder Resistance on-chip
n n Software contrast control(16 step)
n n Oscillation Circuit on-chip
n n Low Power Consumption
n n Operating Voltage --- 2.4 to 5.5 V
n n Package Outline
n n C-MOS Technology
GENERAL DESCRIPTION
FEATURES
12-character 1-line Dot Matrix LCD Controller Driver
Maximum 60 Icon Display
Serial Direct Interface with Microprocessor
Display Data RAM
Character Generator ROM
Character Generator RAM
Icon Display RAM
High Voltage LCD Driver
Duty and Bias Ratio
Master/Slave Function
Useful Instruction Set
32Key Input (4x8 keyscan)
Power On Initialization / Hardware Reset
Bleeder Resistance on-chip
Software contrast control(16 step)
Oscillation Circuit on-chip
Low Power Consumption
Operating Voltage --- 2.4 to 5.5 V
Package Outline
C-MOS Technology
eneral output port (4 ports)
CONTROLLER DRIVER with SMOOTH SCROLL FUNCTION
CONTROLLER DRIVER with SMOOTH SCROLL FUNCTION
12-CHARACTER 1-LINE DOT MATRIX LCD
12-CHARACTER 1-LINE DOT MATRIX LCD
--- QFP 100
--- QFP 100
- 14 x 8 bits
- 14 x 8 bits : Maximum 12-character 1-line Display
- 7,840 bits
- 7,840 bits : 224 Characters for 5 x 7 Dots
- 1,120 bits
- 1,120 bits : 32 Patterns( 5 x 7 Dots )
- Maximum 60 Icons
- Maximum 60 Icons
: 8-common / 71-segment
: 8-common / 71-segment
: 1/8 duty, 1/4 bias
: 1/8 duty, 1/4 bias
:NJU6624A : Master, NJU6624B : Slave
:NJU6624A : Master, NJU6624B : Slave
: Clear Display, Address Home, Display ON/OFF Cont., Display Blink,
: Clear Display, Address Home, Display ON/OFF Cont., Display Blink,
Address Shift, Character Shift, Dot shift, Keyscan ON/OFF Cont. e.t.c.
Address Shift, Character Shift, Dot shift, Keyscan ON/OFF Cont. e.t.c.
: Maximum 12-character 1-line Display
: 224 Characters for 5 x 7 Dots
: 32 Patterns( 5 x 7 Dots )
g g PACKAGE OUTLINE
PACKAGE OUTLINE
NJU6624A/B
NJU6624A/B
NJU6624A/BFG1
NJU6624A/BFG1
PRELIMINARY
PRELIMINARY
Mar.2000
Mar.2000
Ver.1
Ver.1

Related parts for NJU6624A/B

NJU6624A/B Summary of contents

Page 1

... GENERAL DESCRIPTION GENERAL DESCRIPTION The NJU6624A Dot Matrix LCD controller driver for 12-character The NJU6624A Dot Matrix LCD controller driver for 12-character 1-line with icon display in single chip. 1-line with icon display in single chip. It contains bleeder resistance, general output port, keyscan circuit, ...

Page 2

... stru ctio r( spla y Data RAM (DD RAM x8b its Character Icon Display Generator RAM RAM (MK RAM) (CG RAM) 12x5bits 5x7x32bits NJU6624A/B NJU6624A/B SEG58 SEG57 SEG56 SEG55 SEG54 SEG53 SEG52 SEG51 SEG50 SEG49 SEG48 SEG47 SEG46 SEG45 SEG44 SEG43 ...

Page 3

... LED driver drives LED as indicator on athers. Key request signal output terminal. Key scanning input terminals. LCD segment driving signal output / Key scanning output terminals. LCD segment driving signal output terminals LCD common driving signal output terminals Icon common driving signal output terminals NJU6624A/B NJU6624A/B 145KHz ). ...

Page 4

... The storage capacity 224 kinds dots character pattern(available address is (20) The correspondence between character code and standard character pattern of NJU6624A/B is shown in Table 2. The correspondence between character code and standard character pattern of NJU6624A/B is shown in Table 2. User-defined character patterns (Custom Font) are also available by mask option. ...

Page 5

... Table 2. CG ROM Character Pattern ( ROM version -02 ) Table 2. CG ROM Character Pattern ( ROM version -02 ) NJU6624A/B NJU6624A/B ...

Page 6

... NJU6624A/B NJU6624A/B -(1F) -(1F) should be written should be written Character Pattern (CG RAM Data Upper Lower bit ...

Page 7

... Display RAM (MK RAM) (1-6)Icon Display RAM (MK RAM) The NJU6624A/B can display maximum 60 Icons. The NJU6624A/B can display maximum 60 Icons. The Icon Display can be controlled by writing the Data in MK RAM corresponds to the Icon. The Icon Display can be controlled by writing the Data in MK RAM corresponds to the Icon. ...

Page 8

... Note) Display Note) Display The NJU6624A/B generate “SPACE” automatically on the segment terminals. Which are six times number of The NJU6624A/B generate “SPACE” automatically on the segment terminals. Which are six times number of lines, regardless the smooth scroll function. In busy of the smooth scroll operation, this “SPACE” scrolls also with lines, regardless the smooth scroll function. In busy of the smooth scroll operation, this “ ...

Page 9

... When the NJU6624A/B detect the key-in by the key scan circuit, it outputs “H” signal as the request signal from When the NJU6624A/B detect the key-in by the key scan circuit, it outputs “H” signal as the request signal from the “ ...

Page 10

... NJU6624 NJU6624A/B NJU6624A/B VLCD2 VLCD2 VSS VSS KH2 KH1 KH0 OFF D5 D4 ...

Page 11

... Note : In case of can not read out correct. Note : In case of can not read out correct. NJU6624 NJU6624 NJU6624A/B NJU6624A/B ON OFF OFF ...

Page 12

... By Hardware (2-2)Initialization By Hardware The NJU6624A/B incorporates RESET terminal to initialize the all system. When the "L" level input over 1.2ms to The NJU6624A/B incorporates RESET terminal to initialize the all system. When the "L" level input over 1.2ms to the RESET terminal, reset sequence is executed. In this time, busy signal output during 250us (fosc=145kHz) the RESET terminal, reset sequence is executed. In this time, busy signal output during 250us (fosc=145kHz) after RESET terminal goes to " ...

Page 13

... Though the NJU6624A/B generate the space for smooth scroll operation automatically, it does not generate a Though the NJU6624A/B generate the space for smooth scroll operation automatically, it does not generate a space at the right side position by 12th character ...

Page 14

... The NJU6624A/B incorporates two registers, an Instruction Register (IR) and a Data Register(DR). These two registers store control information temporarily to allow interface between NJU6624A/B and MPU or These two registers store control information temporarily to allow interface between NJU6624A/B and MPU or peripheral ICs operating different cycles. ...

Page 15

... Display is is set into the address counter. Display (I/D) and DB (I/D) and DB (S), as shown below. (S), as shown below NJU6624A/B NJU6624A ...

Page 16

... Alternating display (2)Blink display example (2)Blink display example Address to the right or left without writing or reading display data. to the right or left without writing or reading display data NJU6624A/B NJU6624A (D) and DB (D) and DB (B), as shown below ...

Page 17

... Initial status is ”L” shown below. as shown below NJU6624A/B NJU6624A Initial status is ”L” ...

Page 18

... Note3) Only character is shifted by Dot shift instruction D11 D10 shift. 1 1dot-shift to the left. 0 2dot-shift to the left. 1 3dot-shift to the left. 0 4dot-shift to the left. 1 5dot-shift to the left. 0 Don't Care. 1 NJU6624A/B NJU6624A SC2 SC1 SC0 ...

Page 19

... NJU6624A/B NJU6624A/B 2dot smooth scroll 2dot smooth scroll Number of Number of dot-shift dot-shift 2dot-shift 4dot-shift The number of dot- Display Shift shift is reset to " ...

Page 20

... Seems to execute Display Shift 2dot-shift 2dot-shift write character code write character code Write to RAM to the address (00)H. to the address (00)H. < LCD Display > < LCD Display > NJU6624A/B NJU6624A/B <DD RAM address> <DD RAM address> Setting address in (AC) Setting address in (AC) Scroll Scroll RAM RAM 1ch ...

Page 21

... NJU6624A/B NJU6624A ...

Page 22

... NJU6624A/B NJU6624A ...

Page 23

... MK RAM MK RAM : : (10) (10) - (1D) - (1D AC7 AC6 AC5 AC4 AC3 AC2 AC1 AC0 RAM address RAM address CG RAM CG RAM : : (00) (00) - (FE) - (FE NJU6624A/B NJU6624A AD4 AD3 AD2 AD1 AD0 DD/MK RAM. RAM ...

Page 24

... DD7 DD6 DD5 DD4 DD3 DD2 DD1 DD0 KL3 KL2 KL1 KL0 NJU6624A/B NJU6624A DM4 DM3 DM2 DM1 DM0 DC4 DC3 DC2 DC1 DC0 ...

Page 25

... If the power supply conditions for the correct operation of the internal reset circuits are not satisfied, the If the power supply conditions for the correct operation of the internal reset circuits are not satisfied, the NJU6624A/B must be initialized by the instruction. NJU6624A/B must be initialized by the instruction. ...

Page 26

...

Page 27

... The inputs data and latched at rising edge of shift clock (SCL) and the first 16-bit data are fetched into the NJU6624A/B at the rising edge of chip select (CS). The data over than 16 bits are ignored. If the input into the NJU6624A/B at the rising edge of chip select (CS). The data over than 16 bits are ignored. If the input data are less than 16 bits,they are ignored at the rising edge of " ...

Page 28

... Ta=25 C, Display, keyscanON VDD=5V, Ta= stand-by mode o VLCD1-VSS=8V,Ta=25 C E.V.R. value "1111" COM/SEG terminal VLCD1-VSS=8V,Ta= E.V.R. value "1111" VDD=5V,Ta= NJU6624A/B NJU6624A/B (Ta=25 (Ta= UNIT and V and due to the stabilized ...

Page 29

... SEG to SEG ) respectively, and measured when the current I ) respectively, and measured when the current load condition load condition. LCD1 LCD1 NJU6624A/B NJU6624A/B VLCD2 or V VLCD2 and ) and SS, SS VLCD2 VLCD2 or V ...

Page 30

... KDD t SRWD t CRWD t CH2 CYCE t SISU SIH Input data sequence Input data sequence KDD Output Output Input data sequence Input data sequence NJU6624A/B NJU6624A/B +8.0V, Ta=25 +8.0V, Ta= MIN. MAX. CONDITION 1 - 300 - 100 - 300 - fig.1 300 - 300 - 300 - - 300 - 300 fig.2 ...

Page 31

... MIN t - 0.1 rDD OFF tOFF tOFF 2.4V 2.4V 0.2V 0.2V tOFF > 1ms tOFF > 1ms = = = = SYMBOL CONDITION MIN rDD OFF tKP tKP tKS tKS NJU6624A/B NJU6624A/B TYP MAX UNIT - - (Ta= TYP MAX UNIT - 0.2V 0. =145kHz) =145kHz) OSC OSC TYP MAX UNIT 221 - us 27 VLCD2/2 ...

Page 32

... VSS VLCD VLCD V1 V1 SEG1 SEG1 VSS VSS VLCD VLCD V1 V1 SEG2 SEG2 VSS VSS ........... NJU6624A/B NJU6624A ......... Keyscan wave form is Keyscan wave form 1 2 ...

Page 33

... VDD VLCD1 VLCD1 VLCD2 VLCD2 VSS VSS NJU6624A/B NJU6624A/B COM1 COM1 COM7 COM7 LCD Panel LCD Panel (12-character (12-character 1-line+Icon) 1-line+Icon) SEG1 SEG1 SEG71 SEG71 ...

Page 34

... VLCD2 VLCD2 VSS VSS NJU6624A/B NJU6624A/B COM1 COM1 COM7 COM7 LCD Panel LCD Panel (12-character (12-character SEG1 SEG1 1-line+Icon) 1-line+Icon) SEG71 SEG71 COM1 COM1 COM7 ...

Page 35

MEMO [CAUTION] The specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. The application circuits in this databook are described only to show representative usages of the product and not ...

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