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DATA SHEET
MSP430i204x, MSP430i203x, MSP430i202x Mixed-Signal Microcontrollers
1 Features
- Supply voltage range: 2.2 V to 3.6 V
- High-performance analog
- MSP430i204x: Four 24-bit sigma-delta analog-to-digital converters (ADCs) with
differential PGA inputs
- MSP430I203x: Three 24-bit sigma-delta analog-to-digital converters (ADCs) with
differential PGA inputs
- MSP430I202x: Two 24-bit sigma-delta analog-to-digital converters (ADCs) with differential
PGA inputs
- Ultra-low power consumption
- Active mode (AM):
All system clocks active
275 µA/MHz at 16.384-MHz, 3.0 V, flash program execution (typical)
- Standby mode (LPM3):
Watchdog timer active, full RAM
retention
210 µA at 3.0 V (typical)
- Off mode (LPM4):
Full RAM retention
70 µA at 3.0 V (typical)
- Shutdown mode (LPM4.5):
75 nA at 3.0 V (typical)
- Intelligent digital peripherals
- Two 16-bit timers with three capture/compare registers each
- Hardware multiplier supports 16-bit operations
- Enhanced universal serial communication interfaces (eUSCIs)
- eUSCI_A0
- Enhanced UART with automatic baud-rate detection
- IrDA encoder and decoder
- Synchronous SPI
- eUSCI_B0
- Flexible power management system
- Integrated LDO with 1.8-V regulated core supply voltage
- Supply voltage monitor with programmable level detection
- Brownout detector
- Built-in voltage reference
- Temperature sensor
- Clock system
- 16.384-MHz internal digitally controlled oscillator (DCO)
- DCO operation with internal or external resistor
- External digital clock source
- Development tools and software (also see Tools and Software)
- Wake up from standby mode in 1 µs
- 16-bit RISC architecture, up to 16.384-MHz system clock
- Serial onboard programming, no external programming voltage needed
- Available in 28-pin TSSOP (PW) and 32-pin VQFN (RHB) packages
- Device Comparison summarizes the available
family members
- Featured software and reference designs
2 Applications
- Metering
- Submetering
- Power monitoring and control
- Industrial sensors
- 1-phase AC and DC power
monitoring
- 2-phase electronic meters
- Smart plugs
- Smart power strips
- Medical – multiple-parameter
patient monitoring
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