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The following page content corresponds to the products marketed in Japan.
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Product Spec

Basic Information
Product Status Mass Production
Family R8C
Series R8C/1x
Group R8C/1A

Program memory 4 KB Flash memory
RAM 0.375 KB

CPU (Bit, Clock, DMA, External Bus etc)
CPU R8C (16-bit)
Max. Frequency 20 MHz
On-chip Oscillator Freq. 8 MHz, Low Speed Oscillator 125 kHz
Power-On Reset YES
Low Voltage Detection YES
External Interrupt Pins 7
I/O Ports 13

8-bit Timers 2 ch
16-bit Timers 1 ch
Watchdog Timers 1 ch
PWM Output 1

A/D Converters 10-bit x 4 ch

CSIs 2 ch
UARTs 2 ch
I2Cs 1 ch

Operating Conditions
Operating Voltage 2.7 to 5.5 V
Operating Temperature -20 to 85 ℃ (Ambient Temperature)

Order Information

Orderable Part No. Date of PLP
Production Status Packing Terminal material
EU RoHS RoHS-pdf
R5F211A1SP#U0 Long Life Support Info  Jan. 2024 Mass Production Tube Sn-Cu Compliant English
R5F211A1SP#W4 Long Life Support Info  Jan. 2024 Mass Production Tape & Reel Sn-Cu Compliant English
  Long Life Support Info : Product participating in the Product Longevity Program. More information on the Product Longevity Program


Pins 20
Pin pitch 0.65 mm
Package Type LSSOP
Body Size 4.4x6.5 mm2
Package drawing plsp0020jb_a
Mount pad drawing fig0004e
Mounting height 1.45 mm
Mass 0.1 g
Renesas code PLSP0020JB-A (old: 20P2F-A)
JEITA code P-LSSOP20-4.4x6.5-0.65

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