Data Sheet 71M6531D/F-71M6532D/F
FDS 6531/6532 005
Priority
Assignment
Interrupt Enable
Individual Flags
Individual
Enable Bits
Logic and Polarity
Selection
Interrupt
Flags
Internal
Source
External
Source
No.
0
IEN0.0
(EX0)
IEN0.7
(EAL)
DIO status
changed
I T 0
DIO
D I O _ R n
T C O N . 1 ( I E 0 )
IP1.0/
IP0.0
IEN2.0
(ES1)
byte received
S 1 C O N . 0 ( R I 1 )
S 1 C O N . 1 ( T I 1 )
UART1
(optical)
> = 1
byte transmitted
IEN0.1
(ET0)
overflow occurred
T C O N . 5 ( T F 0 )
SPI_FLAG
Timer 0
IEN1.1
(EX2)
IP1.1/
IP0.1
SPI I/F
IEN_SPI
IRCON.1
(IEX2)
I 2 F R
> = 1
Write attempt, CE
busy
Flash
Write
Collision
IEN0.2
(EX1)
2
IE_FWCOL0
IE_FWCOL1
EX_FWCOL
D I O _ R n
CE code start,
flash write busy
IEN1.2
(EX3)
IP1.2/
IP0.2
DIO status
changed
1
3
DIO
T C O N . 3 ( I E 1 )
IRCON.2
(IEX3)
I 3 F R
CE completed code run and
has new status information
CE_BUSY
P
o
l
l
i
n
g
S
e
q
u
e
n
c
e
IEN0.3
(ET1)
overflow occurred
Timer 1
T C O N . 7 ( T F 1 )
IP1.3/
IP0.3
IEN1.3
(EX4)
IE_PLLRISE
IE_PLLFALL
PLL status
EX_PLL
IRCON.3
(IEX4)
4
PLL OK
> = 1
changed
IEN0.4
(ES0)
byte received
S 0 C O N . 0 ( R I 0 )
S 0 C O N . 0 ( T I 0 )
IE_EEX
UART0
> = 1
> = 1
byte transmitted
IP1.4/
IP0.4
IEN1.4
(EX5)
BUSY fell
IRCON.4
(IEX5)
EX_EEX
EEPROM
I2C
5
6
command
EX_SPI
IE_SPI
received
IP1.5/
IP0.5
IEN1.5
(EX6)
accumulation
EX_XFER
XFER_BUSY
IE_XFER
cycle completed
IRCON.5
(IEX6)
every second
IE_RTC
> = 1
EX_RTC
RTC_1S
NR_OVF
WDT near
overflow
IEN_NR_
WDOVF
WD_NROVF_FLAG
Flag=1 means
that an inter-
rupt has oc-
curred and
has not been
cleared
EX0
– EX6 are cleared
automatically when the
hardware vectors to the
interrupt handler
Interrupt
Vector
MPU-external
sources
MPU-internal
sources
2 / 2 /2 0 0 9
Figure 8: Interrupt Structure
36
© 2005-2009 TERIDIAN Semiconductor Corporation
v1.2
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
