SH7785 Datasheet, PDF (297/1692 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

10. Interrupt Controller (INTC)
10.1.2 Interrupt Sources
Table 10.1 shows an example of the interrupt types. The INTC supports both external interrupts
and on-chip peripheral module interrupts.
External interrupts refer to the interrupts input through the external NMI, IRL, and IRQ pins.
The IRQ and IRL interrupts are assigned to the same pins in the SH7785. The pin functions are
selected to suit the system configuration.
Ether level-sense, or the rising or falling edge, can be selected for the detection of IRQ input.
Table 10.1 Interrupt Types
Source
External NMI
interrupts _IRL
Number of
Sources
(Max.)
Priority
INTEVT
1
16
H'1C0
2
Inverse of values on the H'200
input pins (because the
signals are active low)
Input level
H'B00
H'220
H: high level
H'B20
L: low level
(see table 10.11)
H'240
H'B40
H'260
H'B60
H'280
H'B80
H'2A0
H'BA0
H'2C0
H'BC0
H'2E0
H'BE0
H'300
H'C00
Remarks
IRL[3:0] = LLLL (H'0)
IRL[7:4] = LLLL (H'0)
IRL[3:0] = LLLH (H'1)
IRL[7:4] = LLLH (H'1)
IRL[3:0] = LLHL (H'2)
IRL[7:4] = LLHL (H'2)
IRL[3:0] = LLHH (H'3)
IRL[7:4] = LLHH (H'3)
IRL[3:0] = LHLL (H'4)
IRL[7:4] = LHLL (H'4)
IRL[3:0] = LHLH (H'5)
IRL[7:4] = LHLH (H'5)
IRL[3:0] = LHHL (H'6)
IRL[7:4] = LHHL (H'6)
IRL[3:0] = LHHH (H'7)
IRL[7:4] = LHHH (H'7)
IRL[3:0] = HLLL (H'8)
IRL[7:4] = HLLL (H'8)
High
Low
Rev.1.00 Jan. 10, 2008 Page 267 of 1658
REJ09B0261-0100