Energy Meter IC Family Software Instruction Manual

71M652X Software User’s Guide
Revision 1.7 TERIDIAN Proprietary 134 of 138
© Copyright 2005-2007 TERIDIAN Semiconductor Corporation
Figure 6-4: Interrupt Sources Diagram
IE0
External
Interrupt
Flags
RI1
TI1
Internal
Interrupt
Flags
Source
>=1
TF0
INT2
IE1
INT3
TF1
INT4
RI0
TI0
>=1
INT5
INT6
>=1
IRCON.1
I2FR
IRCON.2
I3FR
IRCON.3
IRCON.4
IRCON.5
IEN0.7
IEN0.0
IEN2.0
IEN0.1
IEN1.1
IEN0.2
IEN1.2
IEN0.3
IEN1.3
IEN0.4
IEN1.4
IEN1.5
IP1.0/
IP0.0
IP1.1/
IP0.1
IP1.2/
IP0.2
IP1.3/
IP0.3
IP1.4/
IP0.4
IP1.5/
IP0.5
Interrupt
Control
Register
Priority
Assignment
Interrupt
Vector
P
o
l
l
i
n
g
S
e
q
u
e
n
c
e
Interrupt
Enable
Logic and
Polarity
Selection
DIO
UART1
(optical)
Tim er 0
Compar-
ators
Compar-
ators
DIO
Tim er 1
CE_BUSY
UART0
EEPROM/
I2C
XFE R_B USY
RTC_1S