MCZ33972AEKR2 Freescale Semiconductor, MCZ33972AEKR2 Datasheet

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... SP0 SP1 VBAT SP7 SG0 SG1 SG12 SG13 Freescale Semiconductor, Inc. reserves the right to change the detail specifications, as may be required, to permit improvements in the design of its products. © Freescale Semiconductor, Inc., 2009. All rights reserved. EW SUFFIX (Pb-FREE Max PWR MC33972DWB/R2 MC33972EW/R2 MCZ33972EW/R2 MCZ33972AEW/ μ ...

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... DEVICE VARIATIONS Table 1. Device Variations Device 33972 33972A 33972 2 DEVICE VARIATIONS Switch Input Voltage Range - - Reference Location Analog Integrated Circuit Device Data Freescale Semiconductor ...

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... SG6 SG7 SG8 SG9 SG10 V V PWR PWR SG11 16.0 2 SG12 SG13 4.0 V Ref Figure 2. 33972 Simplified Internal Block Diagram Analog Integrated Circuit Device Data Freescale Semiconductor INTERNAL BLOCK DIAGRAM 5 PWR SP0 – SPI Comparator SP7 To + – SPI Comparator 5.0V SG0 ...

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... SO 32 VDD 31 AMUX 30 INT 29 SP7 28 SP6 27 SP5 26 SP4 25 SG7 24 SG8 23 SG9 22 SG10 21 SG11 20 SG12 19 SG13 DWB Suffix 17 WAKE page 10. Definition Analog Integrated Circuit Device Data Freescale Semiconductor ...

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... Temperature and Moisture Sensitivity Levels (MSL www.freescale.com, search by part number [e.g. remove prefixes/suffixes and enter the core ID to view all orderable parts. (i.e. MC33xxxD enter 33xxx), and review parametrics. Analog Integrated Circuit Device Data Freescale Semiconductor ELECTRICAL CHARACTERISTICS MAXIMUM RATINGS Symbol ...

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... V mA – 0.25 0.5 μA – 1.8 2.0 2.2 mA 1.8 2.0 2 – 2.0 4.0 μA -2.0 1.4 2.0 mV -10 2 – -0.1 – – DD 3.70 4.0 4 -14 – 38 -14 – 40 ° 155 – 185 C ° 5 Analog Integrated Circuit Device Data Freescale Semiconductor ...

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... Maximum Voltage Applied to WAKE Through External Pull-up Notes 11. Upper and lower logic threshold voltage levels apply to SI, 12. This parameter is guaranteed by design but is not production tested. Analog Integrated Circuit Device Data Freescale Semiconductor ≤ 5.25 V, 8.0 V ≤ V ≤ -40°C ≤ PWR Symbol V INLOGIC I ...

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... Analog Integrated Circuit Device Data Freescale Semiconductor ...

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... INT Latch switch status CS on falling edge of CS SGn 1 SGn Bit in SPI Word Switch Status Command Analog Integrated Circuit Device Data Freescale Semiconductor TIMING DIAGRAMS t SI(HOLD) MSB IN t VALID MSB OUT Figure 4. SPI Timing Characteristics Wake-up From Interrupt Timer Expire Sleep Mode ...

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... switch contact change has occurred while CS was LOW multiple 33972 device system with WAKE HIGH and (Sleep Mode), the falling edge of INT will place all DD 33972s in Normal mode. CS pin transitions to a logic LOW CS CS Analog Integrated Circuit Device Data Freescale Semiconductor ...

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... GROUND (GND) The GND pin provides ground for the IC as well as ground for inputs programmed as switch-to-battery inputs. Analog Integrated Circuit Device Data Freescale Semiconductor PROGRAMMABLE SWITCHES (SP0 : SP7) The 33972 device has 8 switch inputs capable of being programmed to read switch-to-ground or switch-to-battery contacts. The input is compared with a 4.0 V reference. ...

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... V reference. Voltages greater than 4.0 V are considered open. Voltages less than 4.0 V are considered closed. Note: Each of these inputs may be used to supply current to sensors external to a module. Switch Programmable Inputs SP0 - SP7 Switch–to-Ground Inputs SG0 - SG13 SW-GND Inputs Analog Integrated Circuit Device Data Freescale Semiconductor ...

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... Multiple ICs may be SPI-configured in parallel or serial. Figures 9 and 10 show the configurations. When using the serial configuration, 48-clock cycles are required to transfer data in / out of the ICs. Analog Integrated Circuit Device Data Freescale Semiconductor OPERATIONAL MODES MC68HCXX Microcontroller Figure 8 Shift Register Parallel Ports ) pin. ...

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... INT if a switch has closed during SPI CS LOW). This prevents switch states from CS (Table 6). To set an SPn input (Table 17, page 19). Battery/Ground Select sp7 sp6 sp5 sp4 sp3 sp2 sp1 sp0 (Table 7). Programming the Analog Integrated Circuit Device Data Freescale Semiconductor at 0 ...

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... Table 9. Wetting Current Timer Enable Command Wetting Current Timer Commands Analog Integrated Circuit Device Data Freescale Semiconductor Command Bits sg13 sg12 sg11 sg10 sg9 sg8 Switch Contact Voltage Figure 11. Contact Wetting and Sustain Current Command Bits ...

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... The MCU may change or update the analog select register via software at any time in Normal mode. Not used sp7 sp6 sp5 sp4 sp3 sp2 sp1 sp0 (Table 11). The analog section of this datasheet beginning on Current Select Analog Channel Select 2 Analog Integrated Circuit Device Data Freescale Semiconductor ...

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... No other SPI pins should transition during Table 13. Calibration Command Calibration Command Analog Integrated Circuit Device Data Freescale Semiconductor Bits 43210 Analog Channel Select 00000 No Input Selected 00001 SG0 00010 SG1 00011 SG2 00100 SG3 00101 SG4 00110 SG5 00111 SG6 ...

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... SG2 SG1 int int int scan scan timer timer timer timer timer SG8 SG7 SG6 SG5 SG4 SG3 SG2 SG1 Analog Integrated Circuit Device Data Freescale Semiconductor LSBI 0 X SP0 SP0 SG0 SP0 SG0 0 SP0 SG0 SP0 SG0 X scan timer X SG0 ...

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... Table 18. Sleep Command Sleep Command Analog Integrated Circuit Device Data Freescale Semiconductor Input Voltage on Programmed Input Pin Switch to Ground SPn < 4.0V Switch to Ground SPn > 4.0V Switch to Battery SPn < 4.0V Switch to Battery SPn > 4.0V N/A SGn < 4.0V N/A SGn > 4.0V SP3 SP2 ...

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... The thermal flag bit in the SPI word will be cleared on rising edge of CS provided the die temperature has cooled below the thermal limit. When die temperature has cooled below thermal limit, the device will resume previously programmed settings. Analog Integrated Circuit Device Data Freescale Semiconductor ...

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... SG13 X 2.5 kΩ 2.5 kΩ Figure 13. Sensor Power Supply Analog Integrated Circuit Device Data Freescale Semiconductor TYPICAL APPLICATIONS INTRODUCTION METALLIC / ELASTOMERIC SWITCH Metallic switch contacts often develop higher contact resistance over time owing to contact corrosion. The corrosion is induced by humidity, salt, and other elements that exist in the environment ...

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... 2.0mA x 2.0kΩ ADC = x 255 2.0mA x 2.39kΩ ADC = 213 counts 1.99mA x 2.0kΩ ADC = x 255 2.05mA x 2.39kΩ ADC = 207 counts ADC = 207 counts x 1.03 ADC = 213 counts 2 Figure 15, page 23, shows an application Analog Integrated Circuit Device Data Freescale Semiconductor ...

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... SO data bit. The analog command may be used to monitor the drain voltage in the MOSFET ON state. By sourcing 2 Analog Integrated Circuit Device Data Freescale Semiconductor current to the 1.5 kΩ resistor, the analog voltage on the SGn pin will be approximately: SG0 2 ...

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... PWR capability, and greater interfacing flexibility. Analog Integrated Circuit Device Data pin, an internal reset may PWR Table 15, page 18. Therefore output and wake-up input output is LOW, WAKE WAKE pin pin has a WAKE supply (see Figure 17, PWR WAKE Freescale Semiconductor ...

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... Figure 16. Power Supply Active in Sleep Mode V BAT 33972 V BAT V SP0 SP1 V WAKE BAT SP7 SG0 SG1 SCLK AMUX SG12 SG13 Figure 17. Power Supply Shutdown in Sleep Mode Analog Integrated Circuit Device Data Freescale Semiconductor Power Supply V PWR PWR INT GND Power Supply Enable V PWR PWR V ...

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... PACKAGING PACKAGE DIMENSIONS For the most current package revision, visit www.freescale.com and perform a keyword search using the 98A listed below. 33972 26 PACKAGING PACKAGE DIMENSIONS DWB SUFFIX EW SUFFIX (Pb-FREE) 32-LEAD SOIC WIDE BODY 98ARH99137A ISSUE B Analog Integrated Circuit Device Data Freescale Semiconductor ...

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... Analog Integrated Circuit Device Data Freescale Semiconductor PACKAGE DIMENSIONS (CONTINUED) DWB SUFFIX EW SUFFIX (Pb-FREE) 32-LEAD SOIC WIDE BODY 98ARH99137A ISSUE B PACKAGING PACKAGE DIMENSIONS (CONTINUED) 33972 27 ...

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... PACKAGING PACKAGE DIMENSIONS (CONTINUED) 33972 28 EK SUFFIX (Pb-FREE) 32-LEAD SOIC WIDE BODY EXPOSED PAD 98ASA10556D ISSUE D Analog Integrated Circuit Device Data Freescale Semiconductor ...

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... Analog Integrated Circuit Device Data Freescale Semiconductor EK SUFFIX (Pb-FREE) 32-LEAD SOIC WIDE BODY EXPOSED PAD 98ASA10556D ISSUE D PACKAGING PACKAGE DIMENSIONS (CONTINUED) 33972 29 ...

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... PACKAGING PACKAGE DIMENSIONS (CONTINUED) 33972 30 EK SUFFIX (Pb-FREE) 32-LEAD SOIC WIDE BODY EXPOSED PAD 98ASA10556D ISSUE D Analog Integrated Circuit Device Data Freescale Semiconductor ...

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... Updated data sheet status from Advance Information to Technical Data 10/2009 16 • Updated to the current Freescale form and style Analog Integrated Circuit Device Data Freescale Semiconductor REVISION HISTORY StatiC Electrical Characteristics on page 6 5. Added note with instructions to obtain this information (6) CHIP SELECT (CS) on page 10 Analog Sensor Inputs (Ratiometric) “ ...

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... Freescale Semiconductor was negligent regarding the design or manufacture of the part. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc ...