Block Diagram - NEC 78K0S/KB1+ User Manual

1.5 Block Diagram

TO00/TI010/P31
16-bit timer/
event counter 00
TI000/P30
8-bit timer 80
TOH1/P42 8-bit timer H1
Low-speed
internal oscillator
Watchdog timer
RxD6/P44
Serial interface
TxD6/P43
ANI0/P20 to
4
ANI3/P23
A/D converter
AV
REF
AV
SS
INTP0/P30
INTP1/P43
Interrupt control
INTP2/P31
INTP3/P41
18
CHAPTER 1 OVERVIEW
78K0S
CPU
core
UART6
Internal
high-speed
RAM
Multiplier
User's Manual U17446EJ3V1UD
Flash
memory
V V
DD SS
4
Port 0 P00 to P03
4
Port 2 P20 to P23
4
P30 to P33
Port 3
P34
Port 4
8 P40 to P47
Port 12 4 P120 to P123
Port 13 P130
Power-on-clear/
low-voltage
POC/LVI control
indicator
Reset control
RESET/P34
System control
X1/P121
X2/P122
High-speed
internal oscillator