71M6521BE Datasheet, PDF (7/97 Pages) Teridian Semiconductor Corporation – Energy Meter IC

71M6521BE
Energy Meter IC
DATA SHEET
JANUARY 2008
Table 46: Interrupt Enable and Flag Bits .....................................................................................................................33
Table 47: Priority Level Groups....................................................................................................................................34
Table 48: The IP0 Register34
Table 49: The IP1 Register: .........................................................................................................................................34
Table 50: Priority Levels ..........................................................................................................................................35
Table 51: Interrupt Polling Sequence ...........................................................................................................................35
Table 52: Interrupt Vectors ..........................................................................................................................................35
Table 53: Data/Direction Registers and Internal Resources for DIO Pin Groups .........................................................39
Table 54: DIO_DIR Control Bit .....................................................................................................................................40
Table 55: Selectable Controls using the DIO_DIR Bits ................................................................................................41
Table 56: EECTRL Status Bits .....................................................................................................................................42
Table 57: EECTRL bits for 3-wire interface .................................................................................................................43
Table 58: TMUX[4:0] Selections...................................................................................................................................46
Table 59: Available Circuit Functions (“—“ means “not active).....................................................................................51
Table 60: LCD and DIO Pin Assignment by LCD_NUM ...............................................................................................62
V1.0
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