Iar - Embedded Workbench For 8051

void uart_puts(const char* s) while(*s) uart_putchar(*s++);

if(TI) // optional: TI handled in polling mode iar embedded workbench for 8051

It is widely used in legacy and modern embedded systems (industrial control, IoT sensors, automotive, medical devices) requiring extreme code density and real-time performance. | Feature | Description | |---------|-------------| | Compiler | Optimizing C/C++ compiler with extensive 8051-specific extensions | | Linker | Flexible segment management for near/far/idata/xdata/code memory | | Debugger | C-spy with hardware support (JTAG, SDI, ROM-monitor) | | Memory Models | Small, Medium, Compact, Large, Huge | | Bank Switching | Support for up to 2 MB code banking | | Peripheral Support | SFR (Special Function Register) definitions for 1000+ devices | | RTOS Awareness | For embOS, FreeRTOS, TI-RTOS | | Code Size | Industry-leading density (often 15–30% smaller than Keil) | 3. Memory Model Selection (Critical for 8051) The 8051 has Harvard architecture with separate memory spaces. IAR supports five memory models: IAR supports five memory models: