r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 294

• Manufacturer Part Number: r8a77850anbg
• Description: Renesas 32-bit Risc Microcomputer Superh? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

10. Interrupt Controller (INTC)
Figure 10.1 shows a block diagram of the INTC.
Rev.1.00 Jan. 10, 2008 Page 264 of 1658
REJ09B0261-0100
Legend:
DMAC:
DU:
FLCTL:
GDTA:
HAC:
HSPI:
H-UDI:
ICR0, ICR1:
INTPRI:
INT2PRI0 to
INT2PRI9:
INT2GPIC:
Note: * Other peripheral modules that can output interrupts are TMU, SCIF, HAC, SIOF, HSPI, MMCIF, SSI, and FLCTL.
Other peripheral
IRQ/IRL7 to
IRQ/IRL0
IRQOUT
NMI
IRQ/IRL7 to
IRQ/IRL4 and
GPIO port
L4 to L1 are
multiplexed
On-chip
modules
modules*
DMAC
GPIO Port
H-UDI
GDTA
PCIC
WDT
DU
E5 to E0
H4 to H1
L7, L6
Direct Memory Access Controller
Display Unit
NAND Flash Memory Controller
Graphics Data Translation Accelerator
Audio Codec Interface
Serial Peripheral Interface
User Debugging Interface
Interrupt Control Registers 0, 1
Interrupt Priority Level Register
Interrupt Priority Registers 0 to 9
GPIO Interrupt Set Register
12
8
Interrupt request
Interrupt request
Interrupt request
Interrupt request
Interrupt request
Interrupt request
Interrupt request
Input control
GPIO interrupts
Figure 10.1 Block Diagram of INTC
NMI
IRQ
IRL
(levels 2 to 31)
determination
(levels 1 to 15)
determination
INT2PRI0 to
for on-chip
peripheral
for external
interrupts
MMCIF:
PCIC:
SCIF:
SIOF:
SR.IMASK:
SSI:
TMU:
USERIMASK.
UIMASK:
WDT:
INT2GPIC
INT2PRI9
interrupts
module
Priority
ICR0, 1
Priority
INTPRI
Multimedia Card Interface
PCI Controller
Serial Communication Interface with FIFO
Synchronous Serial I/O with FIFO
IMASK bit in Status Register
Serial Sound Interface
Timer Unit
UIMASK bit in User Interrupt Mask Level Register
Watch Dog Timer
USERIMASK.UIMASK
Bus interface
Bus interface
SR.IMASK
Interrupt
acceptance
CPU