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3 x 4 keypad to 7 segment

Catalog Datasheet MFG & Type PDF Document Tags
Abstract: external interrupts pins (P2.8 - 11) (Figure 1.). Figure 1. Multiplexing matrixed keypad with four 7-segment displays 4 x 7-segment displays STR71x P1.0 P1.1 P1.2 P1.3 P1.4 P1.5 P1.6 P1.7 P1.8 P1 , this application note is to demonstrate the use of a 4x4 matrix keypad multiplexed with a four 7-segment , .8 - 11) are used to drive and select the 7-segment displays through sink transistors. The same lines , pressed key to the desired 7 segment display. 2.2 XTI CONFIGURATION The XTI block (External interrupts ... STMicroelectronics
Original
datasheet

7 pages,
38.23 Kb

4x4 display 4x4 keypad 11 pin 7 segment LED keypad 4x4 c code "7 Segment Display" 4x4 KEYPAD 8 pin "7 Segment Displays" datasheet for 4x4 keypad matrix keypad KEYPAD 4 X 4 4x4 matrix keypad c keypad 4x4 7 segment display AN1799 3 x 4 keypad to 7 segment AN1799 keypad 4x4 pin configuration AN1799 keypad 4x4 AN1799 keypad 4x4 pin layout AN1799 10 pin 4x4 matrix keypad AN1799 keypad 4x4 8 pin AN1799 datasheet keypad 4x4 AN1799 4x4 matrix keypad AN1799 AN1799 AN1799 TEXT
datasheet frame
Abstract: 11). Figure 1. Multiplexing matrixed keypad with four 7-segment displays 4 x 7-segment displays P1.0 P1.1 P1.2 P1.3 P1.4 P1.5 P1.6 P1.7 a b c d e f g DP LED Module 0.33K , application note is to show how to scan the 4x4 matrix keypad multiplexed with a four 7-segment display. The , 4 5 8 0 6 B 0.12K 9 F C D 0.12K P2.9 P2.10 P2.11 7 E 4x4 KEYPAD , Push-Pull to send the value of the pressed key to the desired 7 segment display. 2.2 XTI CONFIGURATION ... STMicroelectronics
Original
datasheet

7 pages,
75.21 Kb

keypad 4x4 keypad 4x4 8 pin keypad scanning 4 x 7-segment LED display module keypad 4x4 pin configuration keypad 4x4 c code scan codes for 4x4 keypad transistors 547C keypad 4x4 scanning 4x4 keypad scanning keypad 4x4 pin layout datasheet keypad 4x4 AN1799 4x4 matrix keypad scanning code in C AN1799 4x4 matrix keypad c AN1799 4x4 matrix keypad AN1799 3 x 4 keypad to 7 segment AN1799 4x4 matrix keypad and microcontroller AN1799 keypad 4x4 7 segment display AN1799 AN1799 AN1799 TEXT
datasheet frame
Abstract: are shown in Figure 4. 7 1231B 1231B­AVR­05/02 Figure 4. Keypad Layout and Function 1 2 3 , mapping Seven segment decoding - 8 I/O pins PORT B 4 x 4 keypad connections and LED segment , 4 x 4 matrix keypad, output to a multiplexed ;* four digit LED display and two ON/OFF outputs to , CLEAR LD2OFF ;5 ms pulse ;flag byte for keypad command keys ;7 6 5 4 3 2 1 0 , /keypad col 3 .equ col4 =3 ;LED d segment/keypad col 4 .equ row1 =4 ;LED e segment ... Atmel
Original
datasheet

26 pages,
146.39 Kb

4x4 keypad scanning AT90S1200 atmel 7 segment display driver BC479 circuit diagram of LED display 4X4 KEY PAD keypad 4x4 pin layout keypad 4x4 c code KEYPAD 4 X 4 circuit KEYPAD 4 X 4 features half hour delay circuit keypad 4x4 7 segment display AVR242 HI-REL UPS HR AVR242 datasheet keypad 4x4 AVR242 4x4 matrix keypad and microcontroller AVR242 4x4 keypad to bcd AVR242 4x4 keypad c code avr AVR242 AVR242 AVR242 KEYPAD 4 X 4 TEXT
datasheet frame
Abstract: Seven segment decoding - 8 I/O pins PORT B 4 x 4 keypad connections and LED segment drive(dual , for dual functions. ;* With input via a 4 x 4 matrix keypad, output to a multiplexed ;* four digit , ;flag byte for keypad command keys ; 7 ; 5ms ; tick 6 5 4 3 2 1 0 , col4 =3 ;LED d segment/keypad col 4 .equ row1 =4 ;LED e segment/keypad row 1 .equ , AVR242 AVR242: 8-bit Microcontroller Multiplexing LED Drive and a 4 x 4 Keypad Features · 16 Key ... Atmel
Original
datasheet

22 pages,
83.75 Kb

Piezo sounder 4x4 keypad scanning 4x4 matrix keypad and microcontroller 4x4 matrix keypad scanning code in C AT90S1200 BC479 keypad scanning 1231A1 AVR242 keypad 4x4 7 segment display 4x4 keypad c code avr 4x4 keypad to bcd TEXT
datasheet frame
Abstract: dedicated to the key entry mode ; BIT # 7|6|5|4|3|2|1|0| ;-|-|-|-|-|-|-|-| ; X|X|X|X|X|X|X , dedicated to the alarm ; BIT # 7|6|5|4|3|2|1|0| ;-|-|-|-|-|-|-|-| ; X|X|X|X|X|X|X|Y| - , ) x x 1 2 3 4 5 6 7 8 9 10 11 12 ALARM AM LTC3710G LTC3710G* PM 24 23 , Keypad Sampling FIGURE 6 - INTERFACE TO PIC16C54/56 PIC16C54/56 LEDMOD 9 ALARM 10 11 12 1 AM 2 3 4 , 7 8 9 10 11 12 13 3 4 x 220 10K OSC2 NPN 4.7K 10K 10K 10K Vcc 1 3 ... Microchip Technology
Original
datasheet

25 pages,
167.62 Kb

PIC16C5X 4 digit 7 segment led display 0A95 0A4B 4x4 matrix keypad and diagram 06B7 4x4 keypad matrix operation 4x4 matrix keypad block diagram 4x4 matrix keypad scanning code in C 7 segment display 4x4 keyboard 4x4 matrix keypad and microcontroller 4X4 HEX KEY PAD with microcontroller AN529 4x4 hex keypad with microcontroller AN529 4x4 keypad AN529 4x4 matrix keypad and diagram simple AN529 led display alarm clock ma 1042 AN529 keypad 4x4 7 segment display AN529 hex keypad AN529 4x4 hex keypad AN529 4X4 HEX KEY PAD AN529 AN529 AN529 TEXT
datasheet frame
Abstract: (Port B) and stored into the X register. In our configuration, we have to add 4 pull-up resistors on , 4 KEYPAD The keypad used is a 4x4 matrixed keypad. Rows are connected to pins configured as inputs , 0x07 0x07 1 2 3 F PC0 4 5 6 E PC1 7 8 9 D PC2 A 0 , X,#48 ; Size of the table stored in X. ; 3 x 16 coded values. begin 7/10 SOFTWARE LD , . Please, refer to the Data Book to configure pins properly. 2.2 MISCELLANEOUS REGISTER Bits 7 and 6 have ... STMicroelectronics
Original
datasheet

10 pages,
45.83 Kb

ST72251 4x100K Application Note AN980 motorola keypad *x keypad 4x4 keypad 4x4 8 pin keypad 4x4 pin configuration Motorola AN980 ST72 datasheet keypad 4x4 4x4 standard keypad 10 pin 4x4 matrix keypad 3 x 4 keypad to 7 segment 4x4 matrix keypad and microcontroller AN980 Motorola keypad 4x4 assembly code TEXT
datasheet frame
Abstract: (Port B) and stored into the X register. In our configuration, we have to add 4 pull-up resistors on , 4 KEYPAD The keypad used is a 4x4 matrixed keypad. Rows are connected to pins configured as inputs , 0x07 0x07 1 2 3 F PC0 4 5 6 E PC1 7 8 9 D PC2 A 0 , X,#48 ; Size of the table stored in X. ; 3 x 16 coded values. begin 7/10 SOFTWARE LD , . Please, refer to the Data Book to configure pins properly. 2.2 MISCELLANEOUS REGISTER Bits 7 and 6 have ... STMicroelectronics
Original
datasheet

10 pages,
54.41 Kb

ST72251 ST72 keypad 4x4 pin configuration keypad 4x4 AN980 motorola 4x4 matrix keypad and microcontroller 3 x 4 keypad to 7 segment Motorola AN980 keypad 4x4 assembly code TEXT
datasheet frame
Abstract: (Port B) and stored into the X register. In our configuration, we have to add 4 pull-up resistors on , 4 KEYPAD The keypad used is a 4x4 matrixed keypad. Rows are connected to pins configured as inputs , 0x07 0x07 1 2 3 F PC0 4 5 6 E PC1 7 8 9 D PC2 A 0 , X,#48 ; Size of the table stored in X. ; 3 x 16 coded values. begin 7/10 SOFTWARE LD , . Please, refer to the Data Book to configure pins properly. 2.2 MISCELLANEOUS REGISTER Bits 7 and 6 have ... STMicroelectronics
Original
datasheet

10 pages,
56.04 Kb

ST72251 AN980 4x4 matrix keypad for 4x4 keyboard keypad *x 4x4 keypad 8 pin configuration 4x100K Motorola AN980 so do keyboard 4x4 ST72 AN980 motorola 3 x 4 MATRIX keypad datasheet keypad 4x4 datasheet keypad 4x4 assembly code keypad 4x4 8 pin keypad 4x4 4x4 matrix keypad and microcontroller 3 x 4 keypad to 7 segment keypad 4x4 assembly code TEXT
datasheet frame
Abstract: (Port B) and stored into the X register. In our configuration, we have to add 4 pull-up resistors on , 4 KEYPAD The keypad used is a 4x4 matrixed keypad. Rows are connected to pins configured as inputs , 0x07 0x07 1 2 3 F PC0 4 5 6 E PC1 7 8 9 D PC2 A 0 , X,#48 ; Size of the table stored in X. ; 3 x 16 coded values. begin 7/10 SOFTWARE LD , . Please, refer to the Data Book to configure pins properly. 2.2 MISCELLANEOUS REGISTER Bits 7 and 6 have ... STMicroelectronics
Original
datasheet

10 pages,
60.18 Kb

ST72251 ST72 keypad 4x4 pin configuration AN980 motorola keypad 4x4 8 pin Application Note AN980 motorola AN980 datasheet keypad 4x4 assembly code keypad 4x4 datasheet keypad 4x4 Motorola AN980 keypad 4x4 assembly code 4x4 matrix keypad and microcontroller 3 x 4 keypad to 7 segment TEXT
datasheet frame
Abstract: Conserves Pins for LCD Segment Drivers A typical digital interface to a 4 x 4 keypad uses 8 digital I/O , add a 4 x 4 keypad to the PIC microcontroller without sacrificing any of its LCD segment driver pins , 4 x 4 Keypad Interface that Conserves Pins for LCD Segment Drivers , Introduction. 1 TIP #1: TIP #2: TIP #3: TIP #4: TIP #5: TIP #6: TIP #7 , This Segment Matrix table shows that Microchip's 80-pin LCD devices can drive up to 4 commons and 48 ... Microchip Technology
Original
datasheet

40 pages,
641.82 Kb

LED backlight schematic laptop laptop lcd display interface PIC16C92X PIC16F913 PIC16F914 PIC16F91X PIC18F DS00587 PIC18F sleep mode example DS00220 application notes CS5460 laptop LCD SCHEMATIC schematic 20 pin lcd laptop 14 PIC18F8XXX schematic 30 pin lcd laptop DS91084 cs5460 adc code example PIC18f interfacing with graphical lcd schematic 20 pin lcd laptop TEXT
datasheet frame

Archived Files

Abstract Saved from Date Saved File Size Type Download
program). 3/10 KEYPAD 4 KEYPAD The keypad used is a 4x4 matrixed keypad. Rows are connected to pins 0x07 0x07 1 2 3 F 4 5 6 E 7 8 9 D A 0 B C PC0 PC1 PC2 PC3 PA0 PA1 PA2 PA3 KEYPAD 4/10 The keypad code into the X register. In our configuration, we have to add 4 pull-up re- sistors on Port A (from PA0 to A,PADR OR A,#$0F ; Outputs forced to 1 (initial value). AND A,({keypad+1},X) LD ; if key found -> OK. DEC X DEC X DEC X ; 3 times to have next value
/datasheets/files/stmicroelectronics/stonline/books/ascii/docs/6052-v2.htm
STMicroelectronics 14/06/1999 13.45 Kb HTM 6052-v2.htm
pressed key) and comes back to its previous state (HALT state in the main program). 3/10 KEYPAD 4 KEYPAD value 1 0x0E 0x0E 7 0x0B 0x0E 2 0x0E 0x0D 8 0x0B 0x0D 3 0x0E 0x0B 9 0x0B 0x0B F 0x0E 0x07 D 0x0B 0x07 4 5 6 E 7 8 9 D A 0 B C PC0 PC1 PC2 PC3 PA0 PA1 PA2 PA3 KEYPAD 4/10 The keypad code is in the file A,PADR OR A,#$0F ; Outputs forced to 1 (initial value). AND A,({keypad+1},X) LD ; if key found -> OK. DEC X DEC X DEC X ; 3 times to have next value
/datasheets/files/stmicroelectronics/stonline/books/ascii/docs/6052-v1.htm
STMicroelectronics 20/10/2000 15.7 Kb HTM 6052-v1.htm
pressed key) and comes back to its previous state (HALT state in the main program). 3/10 KEYPAD 4 KEYPAD value 1 0x0E 0x0E 7 0x0B 0x0E 2 0x0E 0x0D 8 0x0B 0x0D 3 0x0E 0x0B 9 0x0B 0x0B F 0x0E 0x07 D 0x0B 0x07 4 5 6 E 7 8 9 D A 0 B C PC0 PC1 PC2 PC3 PA0 PA1 PA2 PA3 KEYPAD 4/10 The keypad code is in the file A,PADR OR A,#$0F ; Outputs forced to 1 (initial value). AND A,({keypad+1},X) LD ; if key found -> OK. DEC X DEC X DEC X ; 3 times to have next value
/datasheets/files/stmicroelectronics/stonline/books/ascii/docs/6052-v3.htm
STMicroelectronics 16/01/2001 15.59 Kb HTM 6052-v3.htm
program). 3/10 KEYPAD 4 KEYPAD The keypad used is a 4x4 matrixed keypad. Rows are connected to pins 0x07 0x07 1 2 3 F 4 5 6 E 7 8 9 D A 0 B C PC0 PC1 PC2 PC3 PA0 PA1 PA2 PA3 KEYPAD 4/10 The keypad code into the X register. In our configuration, we have to add 4 pull-up re- sistors on Port A (from PA0 to A,PADR OR A,#$0F ; Outputs forced to 1 (initial value). AND A,({keypad+1},X) LD ; if key found -> OK. DEC X DEC X DEC X ; 3 times to have next value
/datasheets/files/stmicroelectronics/stonline/books/ascii/docs/6052.htm
STMicroelectronics 02/04/1999 13.49 Kb HTM 6052.htm
pressed key) and comes back to its previous state (HALT state in the main program). 3/10 KEYPAD 4 KEYPAD value 1 0x0E 0x0E 7 0x0B 0x0E 2 0x0E 0x0D 8 0x0B 0x0D 3 0x0E 0x0B 9 0x0B 0x0B F 0x0E 0x07 D 0x0B 0x07 4 5 6 E 7 8 9 D A 0 B C PC0 PC1 PC2 PC3 PA0 PA1 PA2 PA3 KEYPAD 4/10 The keypad code is in the file A,PADR OR A,#$0F ; Outputs forced to 1 (initial value). AND A,({keypad+1},X) LD ; if key found -> OK. DEC X DEC X DEC X ; 3 times to have next value
/datasheets/files/stmicroelectronics/stonline/books/ascii/an/6052.htm
STMicroelectronics 17/09/1999 15.35 Kb HTM 6052.htm
back to its previous state (HALT state in the main program). 3/10 KEYPAD 4 KEYPAD The keypad used into the X register. In our configuration, we have to add 4 pull-up re- sistors on Port A (from PA0 to 0x0E 7 0x0B 0x0E 2 0x0E 0x0D 8 0x0B 0x0D 3 0x0E 0x0B 9 0x0B 0x0B F 0x0E 0x07 D 0x0B 0x07 4 0x0D 5 6 E 7 8 9 D A 0 B C PC0 PC1 PC2 PC3 PA0 PA1 PA2 PA3 KEYPAD 4/10 The keypad LD A,PADR OR A,#$0F ; Outputs forced to 1 (initial value). AND A,({keypad+1},X
/datasheets/files/stmicroelectronics/stonline/books/ascii/docs/6052-v4.htm
STMicroelectronics 25/05/2000 15.31 Kb HTM 6052-v4.htm
row 2 .equ row3 =6 ;LED g segment/keypad row 3 .equ row4 =7 ;LED decimal point/keypad row 4 ;Port D functions. ;* With input via a 4 x 4 matrix keypad, output to a multiplexed ;* four digit LED display and two .def flags =r28 ;flag byte for keypad command keys ; 7 6 5 4 3 2 1 0 ;*'key' values returned by 'keyscan'* ;VALUE 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ;KEY 1 2 3 F 4 5 6 E 7 8 9 D A 0 B C NONE
/datasheets/files/atmel/atmel/software/avr242.asm
Atmel 30/01/2000 17.37 Kb ASM avr242.asm
segment/keypad row 3 .equ row4 =7 ;LED decimal point/keypad row 4 ;Port D pins .equ A1 =0 ;common dual functions. ;* With input via a 4 x 4 matrix keypad, output to a multiplexed ;* four digit LED /keypad col 2 .equ col3 =2 ;LED c segment/keypad col 3 .equ col4 =3 ;LED d segment/keypad col 4 .equ * ;VALUE 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ;KEY 1 2 3 F 4 5 6 E 7 8 9 D A 0 B C NONE ;FUNC 1 2 3 LD1ON 4 5 6 LD1OFF 7 8 9 LD2ON SET 0
/datasheets/files/atmel/atmel/software/avr242-v1.asm
Atmel 14/04/1999 17.9 Kb ASM avr242-v1.asm
No abstract text available
/download/9787625-845118ZC/an980-v1.zip ()
STMicroelectronics 20/07/1998 5.44 Kb ZIP an980-v1.zip
* .eseg ;EEPROM segment .org 0 .db ;*Source code space ;Port B pins .equ ROW1 =3 ;keypad input rows .equ ROW2 =2 .equ ROW3 =1 .equ ROW4 =0 .equ COL1 =7 ;keypad output columns .equ COL2 =6 .equ COL3 =5 .equ COL4 =4 ;Port D pins .equ GREEN =0 ;green LED Devices ;* ;* Support E-mail: avr@atmel.com ;* ;* DESCRIPTION ;* This Application note scans a 4 x 4 keypad and uses sleep mode ;* causing the AVR to wake up on keypress. The design uses a minimum of
/datasheets/files/atmel/atmel/software/avr240.asm
Atmel 30/01/2000 4.9 Kb ASM avr240.asm