Block Diagram - NEC 78014Y Series User Manual

8-bit single-chip microcontrollers
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2.7 Block Diagram

TO0/P30
TI0/INTP0/P00
TO1/P31
TI1/P33
TO2/P32
TI2/P34
SI0/SB0/SDA0/P25
SO0/SB1/SDA1/P26
SCK0/SCL/P27
SI1/P20
SO1/P21
SCK1/P22
STB/P23
BUSY/P24
ANI0/P10 to
ANI7/P17
www.DataSheet4U.com
AV
AV
AV
INTP0/P00 to
INTP3/P03
BUZ/P36
PCL/P35
Remarks 1. The internal ROM and RAM capacities depend on the product.
2. Pin connection in parentheses is intended for the µ PD78P014Y.
58
CHAPTER 2 OUTLINE ( µ PD78014Y Subseries)
16-bit TIMER/
EVENT COUNTER
8-bit TIMER/
EVENT COUNTER 1
8-bit TIMER/
EVENT COUNTER 2
WATCHDOG
TIMER
WATCH TIMER
SERIAL
INTERFACE 0
SERIAL
INTERFACE 1
A/D
DD
CONVERTER
SS
REF
INTERRUPT
CONTROL
BUZZER OUTPUT
CLOCK OUTPUT
CONTROL
78K/0
ROM
CPU CORE
RAM
V
V
IC
DD
SS
(V
)
PP
P00
PORT0
P01 to P03
P04
PORT1
P10 to P17
PORT2
P20 to P27
PORT3
P30 to P37
PORT4
P40 to P47
PORT5
P50 to P57
PORT6
P60 to P67
AD0/P40 to
AD7/P47
A8/P50 to
A15/P57
EXTERNAL
ACCESS
RD/P64
WR/P65
WAIT/P66
ASTB/P67
RESET
X1
SYSTEM
X2
CONTROL
XT1/P04
XT2

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