U18680EJ1V0PM00_15 Datasheet, PDF (7/30 Pages) Renesas Technology Corp – 8-BIT SINGLE-CHIP MICROCONTROLLER

BLOCK DIAGRAM
µ PD78F9221CS, 78F9222CS
TO00/TI010/P31
TI000/P30
16-bit timer/event
counter 00
8-bit timer 80
TOH1/P42
8-bit timer H1
Low-speed
internal oscillator
Watchdog timer
RxD6/P44
TxD6/P43
ANI0/P20 to
ANI3/P23
4
AVREF
Serial interface
UART6
A/D converter
INTP0/P30
INTP1/P43
INTP2/P31
INTP3/P41
Interrupt control
78K0S
CPU
core
Flash
memory
Internal
high-speed
RAM
VDD VSS^Note
Port 2
Port 3
Port 4
4 P20 to P23
2 P30, P31
P34
6 P40 to P45
Port 12
3 P121 to P123
Port 13
P130
Power on clear/
low voltage
indicator
Reset control
POC/LVI
control
System control
High-speed
internal oscillator
RESET/P34
X1/P121
X2/P122
Note In the µ PD78F9221CS, 78F9222CS, VSS functions alternately as the ground potential of the A/D converter.
Be sure to connect VSS to a stabilized GND (= 0 V).
Preliminary Product Information U18680EJ1V0PM00
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