78M6631 Data Sheet
DS_6631_056
4
Rev 1
Figures
Figure 1: 78M6631 IC Functional Block Diagram ..................................................................................... 6
Figure 2: AFE Block Diagram ................................................................................................................... 8
Figure 3: Functions Defined by V1 ......................................................................................................... 11
Figure 4: SPI Slave Port: Typical Read and Write Operations ................................................................ 13
Figure 5: SPI Slave Port Timing ............................................................................................................. 22
Figure 6: Pinout for QFN-56 Package .................................................................................................... 23
Figure 7: PCB Land Pattern for QFN-56 Package .................................................................................. 25
Figure 8: I/O Equivalent Circuits............................................................................................................. 28
Tables
Table 1: SPI Command Description ....................................................................................................... 13
Table 2: Absolute Maximum Ratings ...................................................................................................... 15
Table 3: Recommended External Components ...................................................................................... 16
Table 4: Recommended Operating Conditions ....................................................................................... 16
Table 5: Input Logic Levels .................................................................................................................... 17
Table 6: Output Logic Levels ................................................................................................................. 17
Table 7: Power-Fault Comparator Performance Specifications ............................................................... 17
Table 8: Power Supply Monitor Performance Specifications (BME= 1).................................................... 18
Table 9: Supply Current Performance Specifications .............................................................................. 18
Table 10: Crystal Oscillator Performance Specifications ......................................................................... 18
Table 11: Temperature Sensor Performance Specifications ................................................................... 19
Table 12: VREF Performance Specifications .......................................................................................... 19
Table 13: ADC Converter Performance Specifications ........................................................................... 20
Table 14: Flash Memory Timing Specifications ...................................................................................... 21
Table 15: EEPROM Interface Timing ..................................................................................................... 21
Table 16: RESET Timing ....................................................................................................................... 21
Table 17: SPI Slave Port Timing ............................................................................................................ 22
Table 19: Power and Ground Pins ......................................................................................................... 26
Table 20: Analog Pins............................................................................................................................ 26
Table 21: Digital Pins ............................................................................................................................. 27
Table 22: Ordering Information .............................................................................................................. 29
