71M6531F-IM/F Maxim Integrated Products, 71M6531F-IM/F Datasheet - Page 6

• Manufacturer Part Number: 71M6531F-IM/F
• Description: IC ENERGY METER 256KB 68-QFN
• Manufacturer: Maxim Integrated Products

Specifications of 71M6531F-IM/F

• Mounting Style: SMD/SMT
• Package / Case: QFN-68
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Data Sheet 71M6531D/F-71M6532D/F
FDS 6531/6532 005
Tables
Table 1: Inputs Selected in Regular and Alternate Multiplexer Cycles ....................................................... 11
Table 2: ADC Resolution ............................................................................................................................. 12
Table 3: ADC RAM Locations ..................................................................................................................... 12
Table 4: XRAM Locations for ADC Results ................................................................................................ 15
Table 5: Meter Equations ............................................................................................................................ 16
Table 6: CKMPU Clock Frequencies .......................................................................................................... 19
Table 7: Memory Map ................................................................................................................................. 20
Table 8: Internal Data Memory Map ........................................................................................................... 21
Table 9: Special Function Register Map ..................................................................................................... 21
Table 10: Generic 80515 SFRs - Location and Reset Values .................................................................... 22
Table 11: PSW Bit Functions (SFR 0xD0) ..................................................................................................... 23
Table 12: Port Registers ............................................................................................................................. 24
Table 13: Stretch Memory Cycle Width ...................................................................................................... 24
Table 14: 71M6531D/F and 71M6532D/F Specific SFRs ........................................................................... 24
Table 15: Baud Rate Generation ................................................................................................................ 26
Table 16: UART Modes ............................................................................................................................... 26
Table 17: The S0CON (UART0) Register (SFR 0x98) ................................................................................. 27
Table 18: The S1CON (UART1) register (SFR 0x9B) .................................................................................. 27
Table 19: PCON Register Bit Description (SFR 0x87) ................................................................................ 28
Table 20: Timers/Counters Mode Description ............................................................................................ 28
Table 21: Allowed Timer/Counter Mode Combinations .............................................................................. 29
Table 22: TMOD Register Bit Description (SFR 0x89) ................................................................................ 29
Table 23: The TCON Register Bit Functions (SFR 0x88) ............................................................................ 29
Table 24: The IEN0 Bit Functions (SFR 0xA8) ............................................................................................ 30
Table 25: The IEN1 Bit Functions (SFR 0xB8) ............................................................................................ 31
Table 26: The IEN2 Bit Functions (SFR 0x9A) ............................................................................................ 31
Table 27: TCON Bit Functions (SFR 0x88) ................................................................................................. 31
Table 28: The T2CON Bit Functions (SFR 0xC8) ........................................................................................ 31
Table 29: The IRCON Bit Functions (SFR 0xC0) ........................................................................................ 31
Table 30: External MPU Interrupts .............................................................................................................. 32
Table 31: Interrupt Enable and Flag Bits .................................................................................................... 32
Table 32: Interrupt Priority Level Groups .................................................................................................... 33
Table 33: Interrupt Priority Levels ............................................................................................................... 33
Table 34: Interrupt Priority Registers (IP0 and IP1) .................................................................................... 34
Table 35: Interrupt Polling Sequence .......................................................................................................... 34
Table 36: Interrupt Vectors .......................................................................................................................... 34
Table 37: Clock System Summary .............................................................................................................. 36
Table 38: Bank Switching with FL_BANK[2:0] ............................................................................................ 40
Table 39: Data/Direction Registers and Internal Resources for DIO 1-15 (71M6531D/F) ......................... 42
Table 40: Data/Direction Registers and Internal Resources for DIO 17-29 (71M6531D/F) ....................... 42
Table 41: Data/Direction Registers and Internal Resources for DIO 43-46 (71M6531D/F) ....................... 42
Table 42: Data/Direction Registers and Internal Resources for DIO 1-15 (71M6532D/F) ......................... 43
Table 43: Data/Direction Registers and Internal Resources for DIO 16-30 (71M6532D/F) ....................... 43
Table 44: Data/Direction Registers and Internal Resources for DIO 40-51 (71M6532D/F) ....................... 44
Table 45: DIO_DIR Control Bit .................................................................................................................... 44
Table 46: Selectable Control using DIO_DIR Bits ......................................................................................... 44
Table 47: EECTRL Bits for 2-pin Interface ................................................................................................... 47
Table 48: EECTRL Bits for the 3-Wire Interface .......................................................................................... 48
Table 49: SPI Command Description .......................................................................................................... 50
Table 50: I/O RAM Registers Accessible via SPI ....................................................................................... 50
Table 51: TMUX[4:0] Selections ................................................................................................................. 53
Table 52: Available Circuit Functions .......................................................................................................... 57
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