| Part Number | UPD70F3237AM1GJ(A2)-V50-UEN-A | UPD70F3237BM1GJ(A2)-V50-UEN-A | 
|---|---|---|
| Manufacturer | Renesas Electronics America Inc | Renesas Electronics America Inc | 
| Category | Embedded - Microcontrollers | Embedded - Microcontrollers | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Core Processor | V850ES | V850ES | 
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core | 
| Speed | 20MHz | 20MHz | 
| Connectivity | CANbus, CSI, I²C, UART/USART | CANbus, CSI, I²C, UART/USART | 
| Peripherals | LVD, PWM, WDT | LVD, PWM, WDT | 
| Number of I/O | 128 | 128 | 
| Program Memory Size | 256KB (256K x 8) | 256KB (256K x 8) | 
| Program Memory Type | Flash | Flash | 
| EEPROM Size | - | - | 
| RAM Size | 12K x 8 | 12K x 8 | 
| Voltage - Supply (Vcc/Vdd) | 3.5V ~ 5.5V | 3.5V ~ 5.5V | 
| Data Converters | A/D 24x10b | A/D 24x10b | 
| Oscillator Type | Internal | Internal | 
| Operating Temperature | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 144-LQFP | 144-LQFP | 
| Supplier Device Package | 144-LFQFP (20x20) | 144-LFQFP (20x20) |