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U18680EJ1V0PM00_15 Datasheet, PDF (5/30 Pages) Renesas Technology Corp – 8-BIT SINGLE-CHIP MICROCONTROLLER
µ PD78F9221CS, 78F9222CS
OVERVIEW OF FUNCTIONS
Item
µPD78F9221CS
µPD78F9222CS
Internal
memory
Flash memory
High-speed RAM
2 KB
128 bytes
4 KB
256 bytes
Memory space
64 KB
X1 input clock (oscillation frequency) Crystal/ceramic/external clock input:
10 MHz (VDD = 2.0 to 5.5 V)
Internal
oscillation
clock
High speed (oscillation
frequency)
Low speed (for TMH1
and WDT)
Internal oscillation: 8 MHz (TYP.)
Internal oscillation: 240 kHz (TYP.)
General-purpose registers
8 bits × 8 registers
Instruction execution time
0.2 µs/0.4 µs/0.8 µs/1.6 µs/3.2 µs (X1 input clock: fX = 10 MHz)
I/O port
Total:
CMOS I/O:
CMOS input:
CMOS output:
17 pins
15 pins
1 pin
1 pin
Timer
• 16-bit timer/event counter:
• 8-bit timer (timer H1):
• 8-bit timer (timer 80):
• Watchdog timer:
1 channel
1 channel
1 channel
1 channel
Timer output
2 pins (PWM: 1 pin)
A/D converter
10-bit resolution × 4 channels
Serial interface
LIN-bus-supporting UART mode: 1 channel
Vectored
External
interrupt sources Internal
Reset
Supply voltage
4
9
• Reset by RESET pin
• Internal reset by watchdog timer
• Internal reset by power-on clear
• Internal reset by low-voltage detector
VDD = 2.0 to 5.5 VNote
Operating temperature range
TA = −40 to +85°C
Package
20-pin plastic SDIP
Note Use this product in a voltage range of 2.2 to 5.5 V because the detection voltage (VPOC) of the power-on- clear
(POC) circuit is 2.1 V ±0.1 V.
Preliminary Product Information U18680EJ1V0PM00
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