HD6417615 Hitachi Semiconductor, HD6417615 Datasheet - Page 151

• Manufacturer Part Number: HD6417615
• Description: Hardware Manual
• Manufacturer: Hitachi Semiconductor

4.4
4.4.1
Table 4.7 shows the sources that initiate interrupt exception handling. These are divided into NMI,
user breaks, H-UDI, IRL, IRQ, and on-chip peripheral modules.
Table 4.7
Type
NMI
User break
H-UDI
IRL
IRQ
On-chip peripheral module
Each interrupt source is allocated a different vector number and vector table address offset. See
table 5.4, Interrupt Exception Vectors and Priority Order, in section 5, Interrupt Controller, for
more information.
Interrupts
Interrupt Sources
Types of Interrupt Sources
Request Source
NMI pin (external input)
User break controller
Hitachi user debug interface (H-UDI)
IRL1–IRL15 (external input)
IRQ0–IRQ3 (external input)
Direct memory access controller (DMAC)
Ethernet controller (EtherC) and Ethernet
controller direct memory access controller
(E-DMAC)
Free-running timer (FRT)
Watchdog timer (WDT)
Bus state controller (BSC)
Serial I/O (SIO)
Serial communication interface with FIFO
(SCIF)
16-bit timer pulse unit (TPU)
Number of Sources
1
1
1
15
4
2
1
3
1
1
4
4
13
133