| PartNumber | MB9AF121KWQN-G-JNE2 | MB9AF121KPMC-G-JNE2 | MB9AF121KPMC1-G-JNE2 |
| Description | ARM Microcontrollers - MCU 4K RAM/64K FLASH 40MHz Clock | ARM Microcontrollers - MCU 4K RAM/64K FLASH 40MHz Clock | ARM Microcontrollers - MCU MM MCU |
| Manufacturer | Cypress Semiconductor | Cypress Semiconductor | Cypress Semiconductor |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | QFN-48 | LQFP-48 | LQFP-52 |
| Series | MB9A120L | MB9A120L | MB9A120L |
| Core | ARM Cortex M3 | ARM Cortex M3 | ARM Cortex M3 |
| Data Bus Width | 32 bit | 32 bit | 32 bit |
| Maximum Clock Frequency | 40 MHz | 40 MHz | 40 MHz |
| Program Memory Size | 64 kB | 64 kB | 64 kB |
| Data RAM Size | 4 kB | 4 kB | 4 kB |
| ADC Resolution | 12 bit | 12 bit | 12 bit |
| Number of I/Os | 51 I/O | 51 I/O | 51 I/O |
| Operating Supply Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Tray | Tray | Tray |
| Product | MCU | MCU | MCU |
| Program Memory Type | Flash | Flash | Flash |
| Brand | Cypress Semiconductor | Cypress Semiconductor | Cypress Semiconductor |
| Data RAM Type | SRAM | SRAM | SRAM |
| Interface Type | UART , CSIO , I2C , LIN | UART , CSIO , I2C , LIN | UART , CSIO , I2C , LIN |
| Analog Supply Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| DAC Resolution | 10 bit | 10 bit | 10 bit |
| Moisture Sensitive | Yes | Yes | Yes |
| Number of Timers/Counters | 4 x 32 bit/8 x 16 bit, 2 x 16 bit/32 bit | 4 x 32 bit/8 x 16 bit, 2 x 16 bit/32 bit | 4 x 32 bit/8 x 16 bit, 2 x 16 bit/32 bit |
| Processor Series | MB9A120L | MB9A120L | MB9A120L |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 260 | 250 | 160 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage Min | 2.7 V | 2.7 V | 2.7 V |
| Watchdog Timers | Watchdog Timer | Watchdog Timer | Watchdog Timer |