Model Number |
STC11F08XE-35I-LQFP44 |
STC90C54RD+40I-LQFP44 |
Model Name |
STC Micro STC11F08XE-35I-LQFP44 |
STC Micro STC90C54RD+40I-LQFP44 |
Category |
Microcontroller Units (MCUs/MPUs/SOCs) |
Microcontroller Units (MCUs/MPUs/SOCs) |
Brand |
STC Micro |
STC Micro |
Description |
8KB 1.25KB FLASH 40 3.7V~5.5V 51Series 35MHz LQFP-44(10x10) Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
16KB 1.25KB FLASH 39 3.5V~5.5V 51Series 40MHz LQFP-44(10x10) 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 |
1.330 grams / 0.046914 oz |
Package / Case |
LQFP-44(10x10) |
LQFP-44(10x10) |
Package / Arrange |
Tray |
Tray |
Battery |
No |
No |
ECCN |
- |
- |
Infrared Data Association |
- |
- |
Low-Voltage Detect |
Yes |
- |
CCP Capture/Compare |
- |
- |
Program Storage Size |
8KB |
16KB |
Internal Comparator |
- |
- |
communication protocol |
- |
- |
Watchdog |
Yes |
Yes |
Real-Time Clock |
- |
- |
Universal Serial Bus |
- |
- |
RAM Size |
1.25KB |
1.25KB |
16Bit Timer |
2 |
3 |
8Bit Timer |
- |
- |
PWM (Bit) |
- |
- |
Internal Oscillator |
Yes |
- |
DAC (Bit) |
- |
- |
Program Memory Type |
FLASH |
FLASH |
ADC (Bit) |
- |
- |
GPIO Ports Number |
40 |
39 |
Operating Temperature Range |
-40℃~+85℃ |
-40℃~+85℃ |
Operating Voltage Range |
3.7V~5.5V |
3.5V~5.5V |
Peripheral/Function |
Low-VoltageDetect;WDT |
WDT |
CPU Core |
51Series |
51Series |
Secure Digital Input and Output |
- |
- |
Direct Memory Access |
- |
- |
I2C |
- |
- |
UART/USART |
1 |
1 |
32Bit Timer |
- |
- |
CPU Maximum Speed |
35MHz |
40MHz |
CAN |
- |
- |
SPI |
- |
- |
I2S |
- |
- |