| Model Number |
| PIC16F1938-I/ML |
PIC18F452-I/L |
| Model Name |
| Microchip Tech PIC16F1938-I/ML |
Microchip Tech PIC18F452-I/L |
| Category |
| Microcontroller Units (MCUs/MPUs/SOCs) |
Microcontroller Units (MCUs/MPUs/SOCs) |
| Brand |
| Microchip Tech |
Microchip Tech |
| Description |
| 28KB 1.8V~5.5V PIC 32MHz FLASH 25 QFN-28-EP(6x6) Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
32KB 4.2V~5.5V PIC 40MHz 34 PLCC-44(16.6x16.6) Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
| RoHS |
| Lead free / RoHS Compliant |
Lead free / RoHS Compliant |
| Unit |
| Piece |
Piece |
| Weight: |
| 0.521 grams / 0.018378 oz |
4.626 grams / 0.163178 oz |
| Package / Case |
| QFN-28-EP(6x6) |
PLCC-44(16.6x16.6) |
| Package / Arrange |
| Tube-packed |
Tube-packed |
| Battery |
| No |
No |
| ECCN |
| 3A991A2 |
3A991A2 |
| Infrared Data Association |
| - |
N/A |
| Low-Voltage Detect |
| Yes |
Yes |
| CCP Capture/Compare |
| - |
N/A |
| LCD Module |
| Yes |
N/A |
| Program Storage Size |
| 28KB |
32KB |
| Internal Comparator |
| - |
N/A |
| communication protocol |
| - |
N/A |
| Operating Temperature Range |
| -40℃~+85℃ |
-40℃~+85℃ |
| Operating Voltage Range |
| 1.8V~5.5V |
4.2V~5.5V |
| Watchdog |
| Yes |
Yes |
| CPU Core |
| PIC |
PIC |
| Peripheral/Function |
| LCD/LED Driver;PWM |
N/A |
| Real-Time Clock |
| - |
N/A |
| Secure Digital Input and Output |
| - |
N/A |
| Universal Serial Bus |
| - |
N/A |
| Direct Memory Access |
| - |
N/A |
| EEPROM |
| 256Byte |
N/A |
| PWM (Bit) |
| - |
N/A |
| Internal Oscillator |
| Yes |
N/A |
| CPU Maximum Speed |
| 32MHz |
40MHz |
| DAC (Bit) |
| - |
N/A |
| Program Memory Type |
| FLASH |
N/A |
| ADC (Bit) |
| 10bit |
10bit |
| GPIO Ports Number |
| 25 |
34 |
