HD64F2149 Datasheet, PDF (911/1035 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

ICRA—Interrupt Control Register A
ICRB—Interrupt Control Register B
ICRC—Interrupt Control Register C
Bit
Initial value
Read/Write
7
ICR7
0
R/W
6
ICR6
0
R/W
5
ICR5
0
R/W
H'FEE8
H'FEE9
H'FEEA
4
ICR4
0
R/W
3
ICR3
0
R/W
Interrupt Controller
Interrupt Controller
Interrupt Controller
2
ICR2
0
R/W
1
ICR1
0
R/W
0
ICR0
0
R/W
Interrupt control level
0 Corresponding interrupt source is control level 0 (non-priority)
1 Corresponding interrupt source is control level 1 (priority)
Correspondence between Interrupt Sources and ICR Settings
Register
ICRA
ICRB
ICRC
Bits
7
6
5
4
3
2
1
0
IRQ0
IRQ1
IRQ2
IRQ3
IRQ4
IRQ5
IRQ6
IRQ7
DTC
Watchdog Watchdog
timer 0 timer 1
A/D
Free-
—
—
8-bit timer 8-bit timer 8-bit timer HIF:XBS,
converter running
channel 0 channel 1 channels keyboard
timer
X, Y
buffer
controller
SCI
SCI
SCI
IIC
IIC
—
channel 0 channel 1 channel 2 channel 0 channel 1
HIF:LPC —
877