參數(shù)資料
型號(hào): K25C81-P
廠(chǎng)商: Semtech Corporation
英文描述: Versatile PC/XC/AT/PS/2 Compatible Keyboard Encoder
中文描述: 多功能PC/XC/AT/PS/2兼容鍵盤(pán)編碼器
文件頁(yè)數(shù): 2/12頁(yè)
文件大小: 124K
代理商: K25C81-P
FUNCTIONAL DIAGRAM
ORDERING CODE
Copyright Semtech, 1997-2001
DOC5-C81-DS-105
www.semtech.com
2
Pac kage options
40-pin, Plastic DIP
44-pin, Plastic PLCC
44-pin, Plastic QFP
Pitc h In mm’s
2.54 mm
1.27 mm
0.8 mm
TA = -40°C to +85°C
K25C81-XX-P
K25C81-XX-FN
K25C81-XX-FB
Data Buffer
Interrupt Control
PC
Communication
Channel
8042 Emulation
(Standard Keyboard)
Communication Channel
EKC1
KC
KD
EKC
EKD
K eyboard E nc oder
Mode Control
Row Data Inputs
Column Select Ouputs
R0-R7
RP
C0-C17
8
18
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