KBD42W11 Ver la hoja de datos (PDF) - SMSC -> Microchip
Número de pieza
componentes Descripción
Lista de partido
KBD42W11 Datasheet PDF : 16 Pages
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APPLICATION CIRCUIT
Asynchronous
RESETB
SA2
IORB
IOWB
D0 - D7
2
X1
3
X2
4
1
39
9
6
5
8
10
RESET
T0
T1
A2
nCS
VDD
nRD
nWR
12
13
14
15
16
17
18
19
D0
D1
D2
D3
D4
D5
D6
D7
7
VSS
25
VDD
27
P10 28
P11 29
P12 30
P13 31
P14 32
P15 33
P16 34
P17
21
P20 22
P21 23
P22 24
P23 35
P24/OB 36
P25/nBF 37
P26/KCLK 38
P27/KDAT
11
NC
RCB
GATE A20
KEYBOARD CLOCK
KEYBOARD DATA
RAM SELECT JUMPER
MANUFACTURING MODE JUMPER
DISPLAY TYPE SWITCH
KEYBOARD INHIBIT SWITCH
KEYBOARD INTERRUPT
VDD
U?A
U?A
1
21
2
VCC KEYBOARD CLOCK
74ALS04
7407
U?B
3
4
KEYBOARD DATA
7407
13
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