參數(shù)資料
型號： KBD42W11
廠商： SMSC Corporation
英文描述： Keyboard controller is programmed to support
中文描述： 鍵盤控制器編程，以支持
文件頁數(shù)： 2/16頁
文件大?。?/td> 99K
代理商： KBD42W11
2
TABLE OF CONTENTS
FEATURES....................................................................................................................................... 1
GENERAL DESCRIPTION ................................................................................................................ 1
PIN CONFIGURATION...................................................................................................................... 3
PIN DESCRIPTION ........................................................................................................................... 4
BLOCK DIAGRAM............................................................................................................................ 5
AC TIMING........................................................................................................................................ 6
TIMING WAVEFORMS...................................................................................................................... 7
W
RITE
C
YCLE
T
IMING
........................................................................................................................ 7
R
EAD
C
YCLE
T
IMING
.......................................................................................................................... 7
S
END
D
ATA TO
K/B........................................................................................................................... 8
R
ECEIVE
D
ATA FROM
K/B................................................................................................................... 8
XIN/XOUT C
LOCK
........................................................................................................................... 8
ABSOLUTE MAXIMUM RATINGS..................................................................................................... 9
ELECTRICAL CHARACTERISTICS & CAPACITANCE..................................................................... 9
STATUS REGISTER ....................................................................................................................... 10
OUTPUT BUFFER........................................................................................................................... 10
INPUT BUFFER .............................................................................................................................. 10
I/O PORTS...................................................................................................................................... 10
COMMANDS (I/O ADDRESS HEX 64)............................................................................................. 12
APPLICATION CIRCUIT ................................................................................................................. 13
A
SYNCHRONOUS
............................................................................................................................. 13
S
YNCHRONOUS
............................................................................................................................... 14
PACKAGE DIMENSIONS................................................................................................................ 15
80 Arkay Drive
Hauppauge, NY 11788
(516) 435-6000
FAX (516) 273-3123
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