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MC34708 датащи(PDF) 22 Page - Freescale Semiconductor, Inc |
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MC34708 датащи(HTML) 22 Page - Freescale Semiconductor, Inc |
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22 / 159 page ![]() Analog Integrated Circuit Device Data Freescale Semiconductor 22 MC34708 General Description 6.2 Block Diagram Figure 4. Functional Block Diagram 6.3 Functional Description The MC34708 Power Management Integrated Circuit (PMIC) represents a complete system power solution in a single package. Designed specifically for use with the Freescale i.MX50/53 families. The MC34708 integrates six multi-mode buck regulators and eight LDO regulators for direct supply of the processor core, memory and peripherals. The USB switch enables the use of a single, mini or micro USB connector for USB, UART and audio connections, switching the relevant signals to the connector depending on the type of device connected. In addition, the MC34708 also integrates a real time clock, coin cell charger, a 13-channel 10-bit ADC, 5 V USB Boost regulator, two PWM outputs, touch-screen interface, status LED drivers and four GPIOs. 10-BIT ADC CORE General Purpose Resistive Touch Screen Interface 32.768 kHz CRYSTAL OSCILLATOR Real Time Clock SRTC Support with Coin Cell Charger SIX BUCK REGULATORS Processor Core Split Power Domains DDR Memory I/O EIGHT LDO REGULATORS Peripherals 5 V BOOST REGULATOR USB On The Go Supply MINI/MICRO USB INTERFACE USB/UART/Audio Auto Accessory Detect BIAS & REFERENCES Trimmed Bandgap GENERAL PURPOSE I/O & PWM OUTPUTS Dual LED Indicator POWER CONTROL LOGIC State Machine CONTROL INTERFACE SPI/I 2C MC34708 |
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