M0564
6.18.2 Features .......................................................................................................................103
6.19 USCI – UART Mode................................................................................................. 104
6.19.1 Overview ......................................................................................................................104
6.19.2 Features .......................................................................................................................104
6.20 USCI - SPI Mode...................................................................................................... 105
6.20.1 Overview ......................................................................................................................105
6.20.2 Features .......................................................................................................................105
6.21 USCI - I2C Mode....................................................................................................... 107
6.21.1 Overview ......................................................................................................................107
6.21.2 Features .......................................................................................................................107
6.22 UART Interface Controller (UART) .......................................................................... 108
6.22.1 Overview ......................................................................................................................108
6.22.2 Features .......................................................................................................................108
6.23 Watchdog Timer (WDT) ........................................................................................... 109
6.23.1 Overview ......................................................................................................................109
6.23.2 Features .......................................................................................................................109
6.24 Window Watchdog Timer (WWDT).......................................................................... 110
6.24.1 Overview ......................................................................................................................110
6.24.2 Features .......................................................................................................................110
7
8
APPLICATION CIRCUIT................................................................................ 111
ELECTRICAL CHARACTERISTICS.............................................................. 112
8.1
8.2
8.3
Absolute Maximum Ratings ..................................................................................... 112
DC Electrical Characteristics ................................................................................... 113
AC Electrical Characteristics.................................................................................... 121
8.3.1 External 4~24 MHz High Speed Crystal (HXT) Input Clock..........................................121
8.3.2 External 4~24 MHz High Speed Crystal (HXT) Oscillator.............................................121
8.3.3 External 32.768 kHz Low Speed Crystal (LXT) Input Clock .........................................122
8.3.4 External 32.768 kHz Low Speed Crystal (LXT) Input Clock .........................................123
8.3.5 Internal 48 MHz High Speed RC Oscillator (HIRC48) ..................................................124
8.3.6 Internal 22.1184 MHz High Speed RC Oscillator (HIRC) .............................................124
8.3.7 Internal 10 kHz Low Speed RC Oscillator (LIRC).........................................................124
Analog Characteristics ............................................................................................. 126
8.4
8.4.1 LDO..............................................................................................................................126
8.4.2 Temperature Sensor.....................................................................................................126
8.4.3 Internal Voltage Reference (Int_VREF) ..........................................................................126
8.4.4 Power-on Reset............................................................................................................127
8.4.5 Low-Voltage Reset.......................................................................................................127
8.4.6 Brown-out Detector.......................................................................................................127
8.4.7 12-bit ADC....................................................................................................................128
8.4.8 Analog Comparator ......................................................................................................130
Flash DC Electrical Characteris ............................................................................... 131
8.5
8.6
8.7
I2C Dynamic Characteristics.................................................................................... 132
SPI Dynamic Characteristics ................................................................................... 133
8.7.1 Dynamic Characteristics of Data Input and Output Pin.................................................133
Aug. 20, 2018
Page 4 of 139
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