16-bit CISC microcontroller featuring a 20 MHz R8C core and 16KB Flash program memory. This surface-mount device offers 1KB RAM, 13 programmable I/Os, and 3 timers. It operates from 3.3V to 5V with a maximum supply voltage of 5.5V. Packaged in a 20-pin LSSOP with a 0.65mm pin pitch, it includes 4 ADC channels and a UART interface.
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Renesas R5F21154SP#UO technical specifications.
| Basic Package Type | Lead-Frame SMT |
| Package Family Name | SOP |
| Package/Case | LSSOP |
| Package Description | Low Profile Shrink Small Outline Package |
| Pin Count | 20 |
| PCB | 20 |
| Package Length (mm) | 6.5 |
| Package Width (mm) | 4.4 |
| Package Height (mm) | 1.15 |
| Seated Plane Height (mm) | 1.45(Max) |
| Pin Pitch (mm) | 0.65 |
| Package Material | Plastic |
| Mounting | Surface Mount |
| Family Name | R8C |
| Data Bus Width | 16bit |
| Instruction Set Architecture | CISC |
| Maximum Clock Rate | 20MHz |
| Maximum CPU Frequency | 20MHz |
| Device Core | R8C |
| Program Memory Type | Flash |
| Program Memory Size | 16KB |
| RAM Size | 1KB |
| Number of Programmable I/Os | 13 |
| Programmability | Yes |
| Number of Timers | 3 |
| Interface Type | UART |
| CAN | 0 |
| I2C | 0 |
| SPI | 0 |
| Ethernet | 0 |
| UART | 1 |
| USART | 0 |
| USB | 0 |
| I2S | 0 |
| Max Operating Supply Voltage | 5.5V |
| Min Operating Temperature | -20°C |
| Max Operating Temperature | 85°C |
| ADC Channels | 4 |
| Number of ADCs | Single |
| Cage Code | SAN34 |
| EU RoHS | Yes |
| HTS Code | 8542310001 |
| Schedule B | 8542310000 |
| Automotive | No |
| AEC Qualified | No |
| PPAP | No |
| Radiation Hardening | No |
| RoHS Versions | 2002/95/EC |
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