| Model Number |
| STC89C58RD+40I-LQFP44 |
STC15W408AS-35I-SOP20 |
| Model Name |
| STC Micro STC89C58RD+40I-LQFP44 |
STC Micro STC15W408AS-35I-SOP20 |
| Category |
| Microcontroller Units (MCUs/MPUs/SOCs) |
Microcontroller Units (MCUs/MPUs/SOCs) |
| Brand |
| STC Micro |
STC Micro |
| Description |
| 32KB 1.25KB FLASH 39 3.5V~5.5V 51Series LQFP-44(10x10) Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
8KB 512Byte FLASH 18 2.5V~5.5V 51Series SOIC-20-300mil Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
| RoHS |
| Lead free / RoHS Compliant |
Lead free / RoHS Compliant |
| Unit |
| Piece |
Piece |
| Weight: |
| 1.330 grams / 0.046914 oz |
0.916 grams / 0.032311 oz |
| Package / Case |
| LQFP-44(10x10) |
SOIC-20-300mil |
| Package / Arrange |
| Tray |
Tube-packed |
| Battery |
| No |
No |
| ECCN |
| - |
- |
| Infrared Data Association |
| - |
- |
| Low-Voltage Detect |
| - |
Yes |
| CCP Capture/Compare |
| - |
Yes |
| Program Storage Size |
| 32KB |
8KB |
| Internal Comparator |
| - |
Yes |
| communication protocol |
| - |
- |
| Watchdog |
| Yes |
Yes |
| Real-Time Clock |
| - |
- |
| Universal Serial Bus |
| - |
- |
| RAM Size |
| 1.25KB |
512Byte |
| 16Bit Timer |
| 3 |
2 |
| 8Bit Timer |
| - |
- |
| PWM (Bit) |
| - |
- |
| Internal Oscillator |
| - |
Yes |
| DAC (Bit) |
| - |
- |
| Program Memory Type |
| FLASH |
FLASH |
| ADC (Bit) |
| - |
10bit |
| GPIO Ports Number |
| 39 |
18 |
| Operating Temperature Range |
| -40℃~+85℃ |
-40℃~+85℃ |
| Operating Voltage Range |
| 3.5V~5.5V |
2.5V~5.5V |
| Peripheral/Function |
| WDT |
Low-VoltageDetect;CCP capture/compare;WDT |
| CPU Core |
| 51Series |
51Series |
| Secure Digital Input and Output |
| - |
- |
| Direct Memory Access |
| - |
- |
| I2C |
| - |
- |
| UART/USART |
| 1 |
1 |
| 32Bit Timer |
| - |
- |
| CPU Maximum Speed |
| - |
- |
| CAN |
| - |
- |
| SPI |
| - |
1 |
| I2S |
| - |
- |
