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| C8051F351 50 MIPS, 8 kB Flash, 24-Bit ADC, 28-Pin Mixed-Signal MCU Analog Peripherals 24-Bit ADC High-Speed 8051 C Core - - 0.0015% nonlinearity Programmable throughput up to 1 ksps 8 external inputs; programmable as single-ended or differential Programmable amplifier gain: 128, 64, 32, 16, 8, 4, 2, 1 Data-dependent windowed interrupt generator Built-in temperature sensor (3 C) Pipelined instruction architecture; executes 70% of instructions in 1 or 2 system clocks Up to 50 MIPS throughput with 50 MHz clock Expanded interrupt handler 768 bytes data RAM 8 kB Flash; in-system programmable in 512 byte sectors (512 bytes are reserved) 17 port I/O; all 5 V tolerant Hardware SMBusTM (I2CTM compatible), SPITM, and UART serial ports available concurrently 16-bit programmable counter array with three capture/compare modules, WDT 4 general-purpose 16-bit counter/timers Realtime clock mode using PCA or timer and external clock source Internal oscillator: 24.5 MHz, 2% accuracy supports UART operation External oscillator: Crystal, RC, C, or clock (1 or 2 pin modes) 2x clock multiplier to achieve 50 MHz internal clock Can switch between clock sources on-the-fly 28-pin QFN (lead-free package) C8051F351-GM Memory Two 8-Bit Current DACs Comparator 16 Programmable hysteresis values and response time Configurable to generate interrupts or reset Low current (0.4 A) Digital Peripherals Internal Voltage Reference VDD Monitor/Brown-out Detector On-Chip Debug - On-chip debug circuitry facilitates full speed, non-intrusive in-system debug (no emulator required) Provides breakpoints, single stepping, watchpoints Inspect/modify memory, registers, and stack Superior performance to emulation systems using ICE-chips, target pods, and sockets Typical operating current: 17 mA at 50 MHz 16 A at 32 kHz Typical stop mode current: <0.1 A Clock Sources Supply Voltage: 2.7 to 3.6 V Package Ordering Part Numbers Temperature Range: -40 to +85 C VDD GND AV+ AGND RST/C2CK Digital Power Analog Power C2D Debug HW Reset BrownOut 8 0 5 1 8 kB FLASH 256 Byte SRAM 512 Byte XRAM Port 0 Latch UART Timer 0, 1, 2, 3 3-Chnl PCA/ WDT SMBus SPI Bus X B A R P 0 D r v P0.0 P0.1 P0.2/XTAL1 P0.3/XTAL2 P0.4/TX P0.5/RX P0.6/CNVSTR P0.7 + - POR External Oscillator Circuit 24.5 MHz 2% Internal Oscillator XTAL1 XTAL2 System Clock Clock Multiplier C o SFR Bus r e CP0 CP0A CP0+ CP0- VREF+ VREFVREF AIN4-7 Port 1 Latch P 1 AIN0 AIN1 AIN2 AIN3 AIN4 AIN5 AIN6 AIN7 A M U X Buffer + + Offset DAC PGA 24-bit ADC0 8-bit IDAC0 8-bit IDAC1 D r v P1.0/AIN4 P1.1/AIN5 P1.2/AIN6 P1.3/AIN7 P1.4/CP0A P1.5/CP0 P1.6/IDAC0 P1.7/IDAC1 Temp Sensor C2D Port 2 Latch P2.0/C2D Precision Mixed Signal Copyright (c) 2005 by Silicon Laboratories 5.5.2005 C8051F351 50 MIPS, 8 kB Flash, 24-Bit ADC, 28-Pin Mixed-Signal MCU Selected Electrical Specifications (TA = -40 to +85 C, VDD = AV+ = 3.0 V, VREF = 2.5 V External, PGA Gain = 1x, MDCLK = 2.4567 MHz, Decimation Ratio = 1920 unless otherwise specified) PARAMETER CONDITIONS MIN 2.7 TYP MAX 3.6 UNITS V mA mA A A MHz bits ppm FS ppm % dB dB GLOBAL CHARACTERISTICS Supply Voltage Supply Current Clock = 50 MHz (CPU active) Clock = 1 MHz Clock = 32 kHz; VDD Monitor Enabled Supply Current Oscillator not running; VDD Monitor (shutdown) Disabled Clock Frequency Range 24-BIT A/D CONVERTER Resolution (no missing codes) Integral Nonlinearity Single-ended Mode Differential Mode Offset Error Gain Error Common Mode Rejection Ratio (CMRR) Power Supply Rejection, DC Power Supply Current 8-BIT CURRENT-MODE D/A CONVERTERS Resolution Integral Nonlinearity Differential Nonlinearity Guaranteed Monotonic 17 0.5 16 0.1 DC 24 15 5 0.002 110 80 230 8 0.5 0.5 50 A bits LSB LSB 1 Package Information Bottom View L 7 C8051F350DK Development Kit MM TYP 0.90 0.02 0.65 0.25 0.23 5.00 3.15 5.00 3.15 0.5 0.55 28 7 7 0.435 0.435 0.18 0.18 10 12 13 11 14 8 9 15 D2 D2 2 E2 R 16 17 18 19 20 DETAIL 1 28 27 26 25 24 23 22 21 6xe E 6 5 4 e b 2 1 E2 2 3 6xe D A A1 A2 A3 b D D2 E E2 e L N ND NE R AA BB CC DD MIN 0.80 0 0 0.18 2.90 2.90 0.45 MAX 1.00 0.05 1.00 0.30 3.35 3.35 0.65 0.09 Side View A2 A DETAIL 1 AA BB A3 A1 e Precision Mixed Signal Copyright (c) 2005 by Silicon Laboratories DD CC 5.5.2005 Silicon Laboratories and Silicon Labs are trademarks of Silicon Laboratories Inc. Other products or brandnames mentioned herein are trademarks or registered trademarks of their respective holders |
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