Replacement: None. We are no longer carrying this item. This page is for reference only.

Development/prototype board for MSP430F1121 A microcontrollers with power supply circuit, crystal oscillator circuit, JTAG port, LEDs, Buttons, Buzzer, RS232 interface.

MSP430F1121A with 4K Bytes Program Flash, 256 Bytes data Flash, 256 Bytes RAM * JTAG connector * RS232 connector * RS232 interface circuit with Tx, Rx signals * Dallas touch button port * Frequency input * Two red LEDs * Two user buttons * RESET button * Buzzer * 3.6V li-ion battery holder on back * 32.768 kHz oscillator crystal * TEST pin pull-down * RST/NMI pin pull-up * Power supply filtering capacitor * Extension headers for each uC pin

**Software: **

• msp430-1121stk.asm test software for RS232 Tx/Rx, button scan, LED, buzzer, Dallas iButton check present
• DCO calibration subroutine, useful when you need to know at what frequency MSP430 is running
• Real Time Clock subroutine - software implementation
• I2C EEPROM subroutines - 24xx eeprom subroutines
• Uart subrotine - software implementation of serial communication 9600,1,8,N

• MCU:
• 80x50 mm (3.15x1.96")

• msp430-1121stk-b1.pdf
• How do I assemble the 1121stk test asm file? by Eric Engler
• Schematic
• MSP JTAG connector