HD6417750SBP200 Renesas Electronics America, HD6417750SBP200 Datasheet - Page 931
HD6417750SBP200
Manufacturer Part Number
HD6417750SBP200
Description
IC SUPERH MPU ROMLESS 256BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7750r
Datasheet
1.D6417750RBP240DV.pdf
(1164 pages)
Specifications of HD6417750SBP200
Core Processor
SH-4
Core Size
32-Bit
Speed
200MHz
Connectivity
EBI/EMI, FIFO, SCI, SmartCard
Peripherals
DMA, POR, WDT
Number Of I /o
28
Program Memory Type
ROMless
Ram Size
24K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 2.07 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
256-BGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
HD6417750SBP200
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
- Current page: 931 of 1164
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19.4.2
When handling multiple interrupts, interrupt handling should include the following procedures:
1. Branch to a specific interrupt handler corresponding to a code set in the INTEVT register. The
2. Clear the interrupt source in the corresponding interrupt handler.
3. Save SPC and SSR to the stack.
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. Set the BL bit in SR to 1.
7. Restore SSR and SPC from memory.
8. 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. This enables the interrupt response time to be
shortened for urgent processing.
19.4.3
By setting the MAI bit to 1 in the ICR register, it is possible to mask interrupts while the NMI pin
is low, irrespective of the BL and IMASK bits in the SR register.
• In normal operation and sleep mode
• In standby mode
code in INTEVT can be used as a branch-offset for branching to the specific handler.
All interrupts are masked while the NMI pin is low. However, an NMI interrupt only is
generated by a transition at the NMI pin.
All interrupts are masked while the NMI pin is low, and an NMI interrupt is not generated by a
transition at the NMI pin. Therefore, standby cannot be cleared by an NMI interrupt while the
MAI bit is set to 1.
Multiple Interrupts
Interrupt Masking with MAI Bit
Rev.7.00 Oct. 10, 2008 Page 845 of 1074
Section 19 Interrupt Controller (INTC)
REJ09B0366-0700
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