UPD78002A Ver la hoja de datos (PDF) - NEC => Renesas Technology
Número de pieza
componentes Descripción
Fabricante
UPD78002A Datasheet PDF : 62 Pages
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2. BLOCK DIAGRAM
µPD78001B(A), 78002B(A)
TO1/P31
TI1/P33
TO2/P32
TI2/P34
8-bit TIMER/
EVENT COUNTER 1
8-bit TIMER/
EVENT COUNTER 2
WATCHDOG TIMER
SI0/SB0/P25
SO0/SB1/P26
SCK0/P27
INTP0/P00 –
INTP3/P03
BUZ/P36
PCL/P35
WATCH TIMER
SERIAL
INTERFACE 0
INTERRUPT
CONTROL
BUZZER OUTPUT
CLOCK OUTPUT
CONTROL
78K/0
CPU CORE
ROM
RAM
VDD VSS
IC0-
IC3
PORT0
PORT1
PORT2
PORT3
PORT4
PORT5
PORT6
EXTERNAL
ACCESS
SYSTEM
CONTROL
P00
P01-P03
P04
P10-P17
P20-P27
P30-P37
P40-P47
P50-P57
P60-P67
AD0/P40-
AD7/P47
A8/P50-
A15/P57
RD/P64
WR/P65
WAIT/P66
ASTB/P67
RESET
X1
X2
XT1/P04
XT2
Remark Internal ROM & RAM capacity varies depending on the product.
9
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