R8A77850AADBGV Renesas Electronics America, R8A77850AADBGV Datasheet - Page 373
R8A77850AADBGV
Manufacturer Part Number
R8A77850AADBGV
Description
IC SUPERH MCU 436-BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7780r
Datasheet
1.R8A77850AADBGV.pdf
(1694 pages)
Specifications of R8A77850AADBGV
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
-40°C ~ 85°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:
R8A77850AADBGV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Table 10.15 shows response time. The response time is from the interrupt exception handling to
the start of fetching the first instruction in exception handling routine. In this case, suppose that
the setting values of the following registers that enable or disable interrupt, INTMSK0,
INTMSK1, INTMSK2, INT2MSKR, and INT2GPIC, are changed from the interrupt disable state
to the interrupt enable state.
Table 10.15 Response Time after Changing the Value of Interrupt Enable/Disable Registers
Legend:
Icyc:
Scyc: Period of one SuperHyway clock cycle
Bcyc: Period of one bus clock cycle
Pcyc: Period of one peripheral clock cycle
S:
Note:
Item
Priority determination time*
Wait time until the CPU
finishes the current sequence
Interval from the start of
interrupt exception handling
(saving SR and PC) until a
SuperHyway bus request is
issued to fetch the first
instruction of the exception
handling routine
Response
time
Period of one CPU clock cycle
Number of instruction execution states
*
When INTMSKCLR0, INTMSKCLR1, INTMSKCLR2, and INT2MSKCLR are written to,
INTMSK0, INTMSK1, INTMSK2, and INTMSKR enable an interrupt by clearing the
mask bits in INTMSK0, INTMSK1, INTMSK2, and INTMSKR. The priority determination
times in table 10.15 are the values after the values of INTMSK0, INTMSK1, INTMSK2,
and INT2MSKR are changed.
Total
(Interrupt Disabled → Interrupt Enabled)
INTMSK1
1Pcyc
S-1 (≥ 0) × Icyc
11Icyc + 1Scyc
(S + 10) Icyc
+ 1Scyc
+ 1Pcyc
IRL
INTMSK2
8Bcyc +
2Pcyc
(S + 10) Icyc
+ 1Scyc
+ 8Bcyc
+ 2Pcyc
Number of States
IRQ
INTMSK0
1Pcyc
(S + 10) Icyc
+ 1Scyc
+ 1Pcyc
Rev.1.00 Jan. 10, 2008 Page 341 of 1658
Peripheral
Modules
INT2MSKR,
INT2GPIC
4Pcyc
(S + 10) Icyc
+ 1Scyc
+ 4Pcyc
10. Interrupt Controller (INTC)
Remarks
Registers that
enable/disable
interrupts
REJ09B0261-0100
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