71M6521FE-IMSLASHF datasheet(7/101 Pages) TERIDIAN

7 / 101 page

71M6521DE/71M6521FE

Energy Meter IC

DATASHEET

JANUARY 2008

v1.0

Page: 7 of 101

Table 46: Interrupt Enable and Flag Bits.....................................................................................................................33

Table 48: Priority Level Groups....................................................................................................................................34

Table 49: The IP0 Register ..........................................................................................................................................34

Table 50: The IP1 Register: .........................................................................................................................................34

Table 51: Priority Levels...............................................................................................................................................34

Table 52: Interrupt Polling Sequence ...........................................................................................................................35

Table 53: Interrupt Vectors...........................................................................................................................................35

Table 54: Data/Direction Registers and Internal Resources for DIO Pin Groups .........................................................40

Table 55: DIO_DIR Control Bit .....................................................................................................................................40

Table 56: Selectable Controls using the DIO_DIR Bits ................................................................................................41

Table 57: EECTRL Status Bits.....................................................................................................................................42

Table 58: EECTRL bits for 3-wire interface .................................................................................................................43

Table 59: TMUX[4:0] Selections...................................................................................................................................46

Table 60: Available Circuit Functions (“—“ means “not active).....................................................................................50

Table 61: Frequency over Temperature.......................................................................................................................61

Table 62: LCD and DIO Pin Assignment by LCD_NUM for the QFN-68 Package .......................................................64

Table 63: LCD and DIO Pin Assignment by LCD_NUM for the LQFP-64 Package......................................................65

71M6521FE-IM/F 数据表(PDF) 7 Page - Teridian Semiconductor Corporation

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