參數(shù)資料
型號(hào): PPXY8300A6T1
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: Pressure Sensor
英文描述: DIFFERENTIAL, PEIZORESISTIVE PRESSURE SENSOR, RECTANGULAR, SURFACE MOUNT
封裝: SOIC-20
文件頁數(shù): 46/162頁
文件大?。?/td> 4316K
代理商: PPXY8300A6T1
MPXY8300 Series
Sensors
14
Freescale Semiconductor
If the internal asynchronous ADC10 clock is selected as the conversion clock, the ADC10 can continue operation during
stop4 mode. If a conversion is in progress when the MCU enters stop4 mode, it continues until completion. Conversions can
be initiated while the MCU is in stop4 mode by means of the hardware trigger or if continuous conversions are enabled.
Either a conversion complete or compare interrupt will wake the MCU from stop4 mode. The ADC10 can operate as
described above with the MCU in stop3 mode but the accuracy of the results are not guaranteed.
The ADC10 module is automatically disabled when the MCU enters either stop1 or stop2 mode. All ADC10 module registers
contain their reset values following exit from stop1 or stop2. Therefore the ADC10 module must be re-enabled and re-
configured following exit from stop1 or stop2.
LFR
When the MCU enters stop mode the detectors in the LFR will remain powered up depending on the states of the LFE0:1
and LFM0:1 bits and the periodic sampling. Refer to Section 12 for more details.
Bandgap Reference
The bandgap reference is disabled in all stop modes except stop4.
TPM1
When the MCU enters stop mode, the clock to the TPM1 module stops and the module halts operation. If the MCU is
configured to go into stop2 or stop1 mode, the TPM1 module will be reset upon wake-up from stop and must be re initialized.
SPI Master
When the MCU enters stop mode, the clocks to the SPI module stop; the module halts operation; and communication with
the RFX is ended. If the MCU is configured to go into stop2 or stop1 mode, the SPI module will be reset upon wake-up from
stop and must be re-initialized.
Voltage Regulator
The voltage regulator enters a low-power standby state when the MCU enters any of the stop modes except stop4
(LVDSE = 1 or ENBDM =1).
Temperature Sensor
The temperature sensor is disabled in all stop modes except stop4.
Temperature Restart
When the MCU enters a stop mode the temperature restart will remain powered up if the TRE bit is set. If the temperature
restart level is reached the MCU will restart from the reset vector.
3.5.8
RFX On-Chip Peripheral Modules in Stop Modes
When the MCU enters any stop mode the modules on the RFX may or may not power down depending on their respective control
bits.
RF Output
When the MCU enters stop mode the external crystal oscillator (XCO), bit rate generator, PLL, VCO, RF data buffer, data
encoder, and RF output stage will remain powered up if the SEND bit is set.
SPI Slave
When the MCU enters stop mode, the SPI slave module remains powered up but halts operation because the SPI master
on the MCU is inactive.
Charge Pump
When the MCU enters stop mode, the RFX charge pump will remain powered up if the CPUMP bit has been set and the
charge time has not elapsed and the VCAP voltage has not reached the maximum threshold, VCAPMAX.
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