HD6417615 Hitachi Semiconductor, HD6417615 Datasheet - Page 160

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

142
(Including EtherC
UBC:
H-UDI: Hitachi user debug interface
DMAC: Direct memory access controller
FRT:
WDT:
REF:
SCIF:
TPU:
SIO:
E-DMAC
interrupt)
User break controller
Free-running timer
Watchdog timer
Refresh request within bus state controller
Serial communication interface with FIFO
16-bit timer pulse unit
Serial I/O
IR3–IR0
D7–D0
A3–A0
IVECF
DMAC
H-UDI
WDT
SCIF
UBC
REF
TPU
FRT
NMI
SIO
(Interrupt request)
(Interrupt request)
(Interrupt request)
(Interrupt request)
(Interrupt request)
(Interrupt request)
(Interrupt request)
(Interrupt request)
(Interrupt request)
(Interrupt request)
IRQCSR
ICR
VCRWDT, VCRA–VCRU
Figure 5.1 INTC Block Diagram
control
output
Input/
Module bus
VCRWDT
IPRA–IPRE
decision
Priority
IPR
logic
E-DMAC:
EtherC:
ICR:
IRQCSR:
IPRA–IPRE:
VCRWDT:
VCRA–VCRU: Vector number setting registers A–U
SR:
interface
Bus
number
Vector
parator
Com-
INTC
Ethernet controller direct memory
access controller
Ethernet controller
Interrupt control register
IRQ control/status register
Interrupt priority level setting
registers A–E
Vector number setting register WDT
Status register
Interrupt request
I3
number
Vector
I2
CPU
SR
I1
I0
DIVU
DMAC