beautypg.com

Interrupt enable 1 register (ien1), Interrupt enable 2 register (ien2) – Maxim Integrated 71M6521BE Energy Meter IC Family Software User Manual

Page 129

background image

71M652X Software User’s Guide

Revision 1.7

TERIDIAN Proprietary

129 of 138

© Copyright 2005-2007 TERIDIAN Semiconductor Corporation

EAL WDT

ES0 ET1 EX1 ET0 EX0

Table 6-41: The IEN0 Register

Bit

Symbol

Function

IEN0.7

EAL

EAL=0 – disable all interrupts

IEN0.6

WDT

Not used for interrupt control

IEN0.5 -

IEN0.4

ES0

ES0=0 – disable UART 0 interrupt

IEN0.3

ET1

ET1=0 – disable timer 1 overflow interrupt

IEN0.2

EX1

EX1=0 – disable external interrupt 1

IEN0.1

ET0

ET0=0 – disable timer 0 overflow interrupt

IEN0.0

EX0

EX0=0 – disable external interrupt 0

Table 6-42: The IEN0 Bit Functions

Interrupt Enable 1 Register (IEN1)

MSB

LSB

SWDT EX6 EX5 EX4 EX3 EX2

Table 6-43: The IEN1 Register

Bit

Symbol

Function

IEN1.7 -

IEN1.6

SWDT

Not used for interrupt control

IEN1.5

EX6

EX6=0 – disable external interrupt 6

IEN1.4

EX5

EX5=0 – disable external interrupt 5

IEN1.3

EX4

EX4=0 – disable external interrupt 4

IEN1.2

EX3

EX3=0 – disable external interrupt 3

IEN1.1

EX2

EX2=0 – disable external interrupt 2

IEN1.0 -

Table 6-44: The IEN1 Bit Functions

Interrupt Enable 2 Register (IEN2)

MSB

LSB

- - - - - - -

ES1

Table 6-45: The IEN2 Register

Bit

Symbol

Function

IEN2.0

ES1

ES1=0 – disable UART 1 interrupt

Table 6-46: The IEN2 Bit Functions