| Part Number | M37540E8FP | M37640E8FP |
|---|---|---|
| Manufacturer | Renesas Electronics America Inc | Renesas Electronics America Inc |
| Category | Embedded - Microcontrollers | Embedded - Microcontrollers |
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| Product Status | Obsolete | Active |
| Core Processor | 740 | - |
| Core Size | 8-Bit | 8-Bit |
| Speed | 8MHz | 24MHz |
| Connectivity | SIO, UART/USART | SIO, SPI, UART, USB |
| Peripherals | WDT | DMA |
| Number of I/O | 29 | 66 |
| Program Memory Size | 32KB (32K x 8) | 32KB (32K x 8) |
| Program Memory Type | OTP | OTP |
| EEPROM Size | - | - |
| RAM Size | 768 x 8 | 1K x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.2V ~ 5.5V | 4.15V ~ 5.25V |
| Data Converters | A/D 8x10b | - |
| Oscillator Type | Internal | Internal |
| Operating Temperature | -20°C ~ 85°C | -20°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 36-SOP (0.330", 8.40mm Width) | 80-BQFP |
| Supplier Device Package | 36-SSOP | 80-QFP (14x20) |