External Interrupts - Fujitsu MB91460 SERIES FR60 User Manual

External interrupts 8 - 15

Detect level setting
LB8, LA8
LB9, LA9
LB10, LA10
LB11, LA11
LB12, LA12
LB13, LA13
LB14, LA14
LB15, LA15
0
0 1
Detect at
1 0 Detect at the rising edge
1 1 Detect at the falling edge
INT8/RX0/P23.0
INT9/RX1/P23.2
Pins
INT10/RX2/P23.4
INT11/RX3/P23.6
INT12/RX4/P22.0
INT13/RX5/P22.2
INT14/SDA0/P22.4
INT15/SDA1/P22.6
1
0
RX0 PFR23: bit0
P23.0
RX1 PFR23: bit2
P23.2
RX2 PFR23: bit4
P23.4
RX3 PFR23: bit6
P23.6
RX4 PFR22: bit0
P22.0
RX5 PFR22: bit2
P22.2
SDA0
PFR22: bit4 P22.4
SDA1
PFR22: bit6 P22.6
0
General-purpose port
Peripheral
1
Figure 3-2 Configuration Diagram
ELVR1 : bit 1-0,
ELVR1 : bit 3-2,
ELVR1 : bit 5-4,
ELVR1 : bit 7-6,
ELVR1 : bit 9-8,
ELVR1 : bit 11-10,
ELVR1 : bit 13-12,
ELVR1 : bit 15-14
External interrupt request flag
Detect at "L" level
ER0, EIRR1: bit n0
"H" level
ER1, EIRR1: bit n1
ER2, EIRR1: bit n2
ER3, EIRR1: bit n3
ER4, EIRR1: bit n4
ER5, EIRR1: bit n5
ER6, EIRR1: bit n6
ER7 EIRR1: bit n7
Edge detection circuit
0 No interrupt requests
1
Interrupt request present
(Inputs of other peripheral
WRITE 0: Flag clear
function macros)
Read of the port
(Outputs of other peripheral function macros)
From the port data register
External
interrupt
DDR23: bit0
DDR23: bit2
8
DDR23: bit4
9
DDR23: bit6
10
DDR22: bit0
11
DDR22: bit2
12
DDR22: bit4
13
DDR22: bit6
Input only 14
0
15
1 Enable output
Figure 3-3 Register List
External interrupt request enable flag
EN0, ENIR1 : bit 0
EN1, ENIR1 : bit 1
EN2, ENIR1 : bit 2
EN3, ENIR1 : bit 3
EN4, ENIR1 : bit 4
EN5, ENIR1 : bit 5
EN6, ENIR1 : bit 6
EN7 ENIR1 : bit 7
0 Disable interrupts
1 Enable interrupts
Interrupt request
(#24, #25, #26, #27
#28, #29, #30, #31)
External interrupt External
Enable external
Interrupt
request level interrupt
interrupt
number
request bit
setting bit requests
LB8, LA8 ER8 EN8 #24
LB9, LA9 ER9 EN9 #25
LB10, LA10 ER10 EN10 #26
LB11, LA11 ER11 EN11 #27
LB12, LA12 ER12 EN12 #28
LB13, LA13 ER13 EN13 #29
LB14, LA14 ER14 EN14 #30
LB15, LA15 ER15 EN15 #31
Chapter 25 External Interrupt
3.Configuration
Port
The data
Pins
direction bit
function
INT8
P23.0 RX0
P23.2 INT9
RX1
P23.4 RX2 INT10
P23.6 RX3 INT11
RX4 INT12
P22.0
P22.2 INT13
RX5
P22.4 INT14
SDA0
P22.6 SDA1 INT15
323