D6417709SF167BV Renesas Electronics America, D6417709SF167BV Datasheet - Page 191
D6417709SF167BV
Manufacturer Part Number
D6417709SF167BV
Description
IC SUPER H MPU ROMLESS 208LQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7700r
Datasheet
1.D6417709SBP167BV.pdf
(809 pages)
Specifications of D6417709SF167BV
Core Processor
SH-3
Core Size
32-Bit
Speed
167MHz
Connectivity
EBI/EMI, FIFO, IrDA, SCI, SmartCard
Peripherals
DMA, POR, WDT
Number Of I /o
96
Program Memory Type
ROMless
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.75 V ~ 2.05 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
208-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
D6417709SF167BV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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6.4.2
When handling multiple interrupts, an interrupt handler should include the following procedures:
1. Branch to a specific interrupt handler corresponding to a code set in INTEVT and INTEVT2.
2. Clear the cause of the interrupt in each specific handler.
3. Save SSR and SPC to memory.
4. Clear the BL bit in SR, and set the accepted interrupt level in the interrupt mask bits in SR.
5. Handle the interrupt.
6. Execute the RTE instruction.
When these procedures are followed in order, an interrupt of higher priority than the one being
handled can be accepted after clearing BL in step 4. Figure 6.3 shows a sample interrupt operation
flowchart.
6.5
The time from generation of an interrupt request until interrupt exception handling is performed
and fetching of the first instruction of the exception handler is started (the interrupt response time)
is shown in table 6.8. Figure 6.4 shows an example of pipeline operation when an IRL interrupt is
accepted. When SR.BL is 1, interrupt exception handling is masked, and is kept waiting until
completion of an instruction that clears BL to 0.
The code in INTEVT and INTEVT2 can be used as a branch-offset for branching to the
specific handler.
Multiple Interrupts
Interrupt Response Time
Rev. 5.00, 09/03, page 145 of 760
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