R8A77850ANBGV Renesas Electronics America, R8A77850ANBGV Datasheet - Page 356
R8A77850ANBGV
Manufacturer Part Number
R8A77850ANBGV
Description
IC SUPERH MPU ROMLESS 436-BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7780r
Datasheet
1.R8A77850AADBGV.pdf
(1694 pages)
Specifications of R8A77850ANBGV
Core Processor
SH-4A
Core Size
32-Bit
Speed
600MHz
Connectivity
Audio Codec, MMC, Serial Sound, SCI, SIO, SPI, SSI
Peripherals
DMA, POR, WDT
Number Of I /o
108
Program Memory Type
ROMless
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
1 V ~ 1.2 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
436-BGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R8A77850ANBGV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 356 of 1694
- Download datasheet (9Mb)
10. Interrupt Controller (INTC)
10.4
There are four types of interrupt sources, NMI, IRQ, IRL, and on-chip module interrupts. Each
interrupt has a priority level (16 to 0). Level 16 is the highest and level 1 is the lowest. When the
level is set to 0, the interrupt is masked and interrupt requests are ignored.
10.4.1
The NMI interrupt has the highest priority of level 16. The interrupt is always accepted unless the
BL bit in SR of the CPU is set to 1. In sleep mode, the interrupt is accepted even if the BL bit is
set to 1.
According to a setting, the NMI interrupt can be accepted even if the BL bit is set to 1.
Input from the NMI pin is detected at the edge. The NMI edge select bit (NMIE) in ICR0 is used
to select from the rising or falling edge. After the NMIE bit in ICR0 is modified, the NMI
interrupt is not detected for up to six bus clock cycles.
When the INTMU bit in the CPUOPM is set to 1, the interrupt mask level (IMASK) in SR is
automatically set to level 15. When the INTMU bit in CPUOPM is cleared to 0, the IMASK value
in SR is not affected by accepting an NMI interrupt.
10.4.2
(1)
The IRQ interrupt is valid when 1 is written to the IRLM0 and IRLM1 bits in ICR0 and pins
IRQ/IRL7 to IRQ/IRL0 are used for independent interrupts. The rising edge, falling edge, low
level, and high level detections are enabled by setting the IRQnS1 and IRQnS0 bits (n = 0 to 7).
The priority of interrupts is set by INTPR1.
If an IRQ interrupt request is detected by the low level or high level detection, the pin state of IRQ
interrupt state should be retained until interrupt handling starts after interrupts are accepted.
When the INTMU bit in CPUOPM is set to 1, the interrupt mask level (IMASK) in SR is
automatically set to the level of the accepted interrupt. When the INTMU bit in CPUOPM is set to
0, the IMASK value in SR is not affected by accepting an IRQ interrupt.
Rev.1.00 Jan. 10, 2008 Page 324 of 1658
REJ09B0261-0100
Independence from ICR0.LVLMODE Setting
Interrupt Sources
NMI Interrupts
IRQ Interrupts
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