파트넘버.co.kr UR5HC418-P 데이터시트 PDF


UR5HC418-P 반도체 회로 부품 판매점

AT / PS/2 - Compatible Keyboard Encoder



Semtech Corporation 로고
Semtech Corporation
UR5HC418-P 데이터시트, 핀배열, 회로
DeskCoderTM UR5HC418
AT / PS/2 - Compatible
Keyboard Encoder
HID & SYSTEM MANAGEMENT PRODUCTS, KEYCODERTM FAMILY
DESCRIPTION
The DeskCoderTM keyboard encoder
functions as a versatile, low-power
desktop keyboard encoder, while
providing two bi-directional
channels for communication with a
BIOS-compatible system as well as
any optional keyboard-compatible
devices, such as a 101/102/104
desktop keyboard, OCR, barcode
reader, etc.
The DeskCoderTM fully supports the
IBM standard keyboard communi-
cation protocol; each key press
generates one of the scan codes
designated in the IBM Technical
Reference Manuals. The keyboard
encoder handles the scanning,
debounce, and encoding of 128
keys organized on an 8 x 16 matrix.
In addition to the system’s keyboard
communication port, the UR5HC418
provides a fully functional keyboard
input port that can be used by a
standard 101/102/104 keyboard or
another 8042-compatible device,
such as an external numeric
keypad, an OCR, or a bar-code
reader. Input from both the matrix
and the external device is
multiplexed and presented to the
system as if it were coming from a
single source.
The DeskCoderTM is ideal for use in
low-power, low-cost and high-
reliability AT / PS/2 - compatible
keyboard designs.
Note: A version of the IC that
supports the PC/XT protocol is also
available. Contact Semtech for
more information.
FEATURES
• Interfaces contact switch matrix
keyboards to a BIOS-compatible
system
• Single IC desktop keyboard
encoder
• Provides interface for an external
keyboard/keypad or other 8042-
compatible devices
• AT / PS/2 - compatible
APPLICATIONS
• Desktop computers
• Instrumentation
• Industrial keyboards
PIN ASSIGNMENTS
• Implements all functions of a
101/102/104 keyboard
• Low-power HCMOS
microcontroller, suitable for 3-volt
battery-operated systems
• Available in DIP, PLCC and QFP
packages
• Custom versions available in small
or large quantities
• Point of sales terminals
• Public information kiosks
_RESET 1
40 VCC
_IRQ 2
39 OSCI
VX 3
38 OSCO
NL 4
37 EKC1
R6 5
36 R7
RP 6
35 SL
KD 7
34 R5
KC 8
33 R4
EKC 9
32 R3
EKD 10 DIP 31 R2
CL 11
30 R1
C0 12
29 R0
C1 13
28 C8
C2 14
27 C9
C3 15
26 C10
C4 16
25 C11
C5 17
24 C12
C6 18
23 C13
C7 19
22 C14
VSS/GND 20
21 C15
RP
KD
KC
EKC
EKD
CL
C0
C1
C2
C3
C4
6
7
12
17
18
R6
RP
KD
KC
EKC
EKD
CL
C0
C1
C2
C3
1
1
PLCC
23
QFP
40
39 R7
SL
R5
R4
R3
34 R2
R1
R0
C8
C9
29 C10
28
NL
R5
R4
R3
R2
R1
R0
C8
C9
C10
C11
DeskCoder and KeyCoder are trademarks of
Semtech Corporation. All other trademarks
belong to their respective companies.
Copyright ©1997-2001 Semtech Corporation
DOC5-418-DS-109
1
www.semtech.com


UR5HC418-P 데이터시트, 핀배열, 회로
FUNCTIONAL DIAGRAM
Data Buffer
ORDERING CODE
Package options
40-pin, Plastic DIP
44-pin, Plastic PLCC
44-pin, Plastic QFP
Pitch in mm’s
2.54
1.27
0.8
TA = -40°C to +85°C
UR5HC418-P
UR5HC418-FN
UR5HC418-FB
NL/CL/SL
3
Status LEDs
EKC1
Interrupt Control
KC PC
Communication
KD Channel
EKC
EKD
8042 Emulation
(External Keyboard)
Communication
Channel
Row Data Inputs
Column Select
Ouputs
Keyboard Encoder
16-Bit Timer
R0-R7
8
C0-C15
16
Mode Control
KT DRV
Copyright ©1997-2001 Semtech Corporation
DOC5-418-DS-109
2
www.semtech.com




PDF 파일 내의 페이지 : 총 14 페이지

제조업체: Semtech Corporation

( semtech )

UR5HC418-P data

데이터시트 다운로드
:

[ UR5HC418-P.PDF ]

[ UR5HC418-P 다른 제조사 검색 ]




국내 전력반도체 판매점


상호 : 아이지 인터내셔날

전화번호 : 051-319-2877

[ 홈페이지 ]

IGBT, TR 모듈, SCR, 다이오드모듈, 각종 전력 휴즈

( IYXS, Powerex, Toshiba, Fuji, Bussmann, Eaton )

전력반도체 문의 : 010-3582-2743



일반적인 전자부품 판매점


디바이스마트

IC114

엘레파츠

ICbanQ

Mouser Electronics

DigiKey Electronics

Element14


관련 데이터시트


UR5HC418-FB

AT / PS/2 - Compatible Keyboard Encoder - Semtech Corporation



UR5HC418-FN

AT / PS/2 - Compatible Keyboard Encoder - Semtech Corporation



UR5HC418-P

AT / PS/2 - Compatible Keyboard Encoder - Semtech Corporation