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Description
KBD43W13 View Datasheet(PDF) - SMSC -> Microchip
Part Name
Description
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KBD43W13
Keyboard and PS/2 Mouse Controller
SMSC -> Microchip
KBD43W13 Datasheet PDF : 22 Pages
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BLOCK DIAGRAM
T0
T1
x1
x2
nWR
nRD
nCS
A2
nRESET
RECEIVE
CONTROL
HARDWIRE
CONTROL &
SELECT
LOGIC
SCAN
CODE
ROM
TRANSMIT
CONTRROL
TRANSMIT
REGISTER
STATUS
REGISTER
D0~D7
DATA
BUFFER
REGISTER
R64
STATUS
BUFFER
REGISTER
W60
W64
INPUT
BUFFER
REGISTER
R60
OUTPUT
BUFFER
REGISTER
INPUT &
OUTPUT
PORT
INTERFACE
OUTPUT
PORT
INTERFACE
P10
P11
P12
P13
P14 (RAM)
P15 (JUMP)
P16 (DISP)
P17 (KINH)
P20 (nRC)
P21 (nGA20)
P22 (NC/MDAT)
P23 (NC/MCLK)
P24 (KINT)
P25 (IEMP/MINT)
P26 (KCLK)
P27 (KDAT)
6
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