| PartNumber | UPD78F9234MC-5A4-A | UPD78F9232MC-5A4-A |
| Description | 8-bit Microcontrollers - MCU 78K0S/KB1+,8KB Flash,256B RAM | 8-bit Microcontrollers - MCU 78K0S/KB1+,4KB Flash, 256B RAM |
| Manufacturer | Renesas Electronics | Renesas Electronics |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT |
| Package / Case | SSOP-30 | SSOP-30 |
| Core | 78K0S | 78K0S |
| Data Bus Width | 8 bit | 8 bit |
| Maximum Clock Frequency | 10 MHz | 10 MHz |
| Program Memory Size | 8 kB | 4 kB |
| Data RAM Size | 256 B | 256 B |
| Number of I/Os | 24 I/O | 24 I/O |
| Minimum Operating Temperature | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C |
| Packaging | Tray | Tray |
| Height | 1.2 mm | 1.2 mm |
| Length | 9.7 mm | 9.7 mm |
| Program Memory Type | Flash | Flash |
| Width | 6.1 mm | 6.1 mm |
| Brand | Renesas Electronics | Renesas Electronics |
| Interface Type | UART | UART |
| Moisture Sensitive | Yes | Yes |
| Number of Timers/Counters | 3 Timer | 3 Timer |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 210 | 210 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 5.5 V | 5.5 V |
| Supply Voltage Min | 2 V | 2 V |