Ultra-Low Power @ 3.6 V
- 110 µA/MHz, Low-Power Active, DC-DC enabled
- 110 nA sleep current with data retention; POR monitor enabled
- 400 nA sleep current with smaRTClock (internal LFO)
- 700 nA sleep current with smaRTClock (external XTAL)
- 2 µs wake-up from any sleep mode
12-Bit; 16 ch. Analog to Digital Converter
- Up to 75 ksps, 12-bit mode or 300 ksps 10-bit mode
- External pin or internal VREF (no external capacitor required)
- On-chip PGA allows measuring voltages up to twice the reference
voltage
- Autonomous burst mode with 16-bit automatic averaging accumulator
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Two Low Current Comparators
- Programmable hysteresis and response time
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Internal 6-Bit Current Reference
- Up to ±500 µA; source and sink capability
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Integrated LCD Controller
- Supports up to 128 segments (32x4)
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Metering-Specific Peripherals
- DC-DC buck converter allows dynamic voltage scaling for maximum
efficiency (250 mW output)
- Sleep-mode pulse accumulator with programmable switch de-bounce
and pull-up control interfaces directly to metering sensor
- Data Packet Processing Engine (DPPE) includes hardware AES, DMA,
CRC, and encoding blocks for acceleration of wire less protocols
- Manchester and Three-out-of-Six encoder hardware for power
efficient implementation of the wireless M-bus specification
High-Speed Enhanced 8051 µC Core
- Pipe-lined instruction architecture executes 70% of instructions
in 1 or 2 system clocks
Memory
- Up to 128 kB Flash; In-system programmable; Full read/write/
erase functionality over the entire supply range
- Up to 8 kB data retention RAM
Digital Peripherals
- Up to 57 port I/O; All 5 V tolerant with programmable drive
strength
- Hardware enhanced UART, 2 SPI and I2C serial ports available
concurrently
- Four general-purpose 16-bit counter/timers
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Clock Sources
- Precision internal oscillators: 24.5 MHz with ±2% accuracy
supports UART operation; spread-spectrum mode for reduced EMI
- Low power internal oscillator: 20 MHz
- External oscillator: Crystal, RC, C, CMOS clock
- SmaRTClock oscillator: 32.768 kHz crystal or 16.4 kHz internal
LFO with three independent alarms
On-Chip Debug
- On-chip debug circuitry facilitates full speed, non-intrusive in
system debug (no emulator required)
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Package Options
- 76-pin DQFN (6x6 mm), RoHS compliant
- 40-pin QFN (6x6 mm), RoHS compliant
- 80-pin QFP (12x12 mm), RoHS compliant
Development Kit: C8051F960DK
Supply Voltage: 1.8 to 3.8 V
Temperature Range: –40 to +85 °C
