U18680EJ1V0PM00_15 Datasheet, PDF (6/30 Pages) Renesas Technology Corp – 8-BIT SINGLE-CHIP MICROCONTROLLER

µPD78F9221CS, 78F9222CS
PIN CONFIGURATION (Top View)
• 20-pin plastic SDIP
P23/ANI3
1
P22/ANI2
2
P21/ANI1
3
P20/ANI0
4
AVREF
5
VSS
6
P121/X1
7
P122/X2
8
P123
9
VDD
10
20
P130
19
P45
18
P44/RxD6
17
P43/TxD6/INTP1
16
P42/TOH1
15
P41/INTP3
14
P40
13
P30/TI000/INTP0
12
P31/TI010/TO00/INTP2
11
RESET/P34
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).
ANI0 to ANI3:
AVREF:
INTP0 to INTP3:
P20 to P23:
P30, P31, P34:
P40 to P45:
P121 to P123:
P130:
Analog input
Analog reference voltage
External interrupt input
Port 2
Port 3
Port 4
Port 12
Port 13
RESET:
RxD6:
TI000, TI010:
TO00, TOH1:
TxD6:
VDD:
VSS:
X1, X2:
Reset
Receive data
Timer input
Timer output
Transmit data
Power supply
Ground
Crystal oscillator (X1 input clock)
4
Preliminary Product Information U18680EJ1V0PM00