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900844 Datasheet(PDF) 29 Page - Freescale Semiconductor, Inc |
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900844 Datasheet(HTML) 29 Page - Freescale Semiconductor, Inc |
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29 / 118 page  Analog Integrated Circuit Device Data Freescale Semiconductor 29 900844 FUNCTIONAL DESCRIPTION GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM Figure 5. 900844 Functional Block Diagram The component list for those items listed in this schematic can be found in the External Components BOM (23). General Purpose ADC Inputs Touch Screen Interface GNDADC 10 Bit ADC Thermal Protection Power Path Manager SC900844 TSREF Touch Screen Interface SPI Control VPWR Li-Cell Switch From Button Switchers RTC Calibration PLL SPIVCC SPICLK GNDSPI MISO MOSI Shift Register Control ADIN21 MUX GPO Control GPIO Control …… ADIN20 ADIN19 ADIN18 ADIN17 ADIN16 ADIN15 ADIN14 ADIN13 ADIN12 ADIN11 ADIN10 Voltage / Current Sensing /& Translation SPICSB SPI Interface SPI Registers Shift Register Shift Register A / D Control Trigger Handling CADREF RXINR GNDAUD1 GNDAUD2 GNDAUD3 GNDAUD4 32.768KHz Internal OSC 32.768KHz Crystal OSC GNDRTC XTALRTC XTAL1 XTAL2 CLK32K GNDCTRL ICTEST VIDEN0 VIDEN1 VID0 VID1 VID2 VID3 VID4 VID5 VID6 PWRGD RESETB VRCOMP PMICINT EXITSTBY THERMTRIPB PWRBTN Enables & Control Timers Li-Cell Charger Power Fail Detect CO15 L15 CIN15 PVINDDQ PGNDDDQ FBDDQ SWDDQ CODDQ LDDQ CINDDQ MNN V15 PVINCC VOUTFBCC HSCCGT LSCCGT SWFBCC VPWR CINCC COCC LCC MLSCC MHSCC VCC CSPCC PGNDCC VID[6:0] VIDEN[1:0] REFGNDSW GNDREFVCC CLDOREFP8 CLDOREFP9 Optional Components CCORE CCOREREF CCOREDIG RNTC GNDBAT CCOIN Startup Sequencer Trim V3A Reference Generation VCC 3600mA Buck VID Controller Output Driver VNN 1600mA Buck Output Driver PVINNN VOUTFBNN HSNNGT LSNNGT SWFBNN VPWR CINNN CONN LNN VNN CSPNN PGNDNN VDDQ 1500mA Buck Output Driver VPWR VDDQ V21 1000mA Buck PVIN21 PGND21 FB21 SW21 CO21 L21 CIN21 Output Driver VPWR V21 V15 1500mA Buck Output Driver PVIN15 PGND15 FB15 SW15 VPWR RNTCEV 900844 VPWR V3A Output pin Input pin Bi-directional pin Package Pin Legend SC900844 |
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