HD6417712BPV Renesas Electronics America, HD6417712BPV Datasheet - Page 304
HD6417712BPV
Manufacturer Part Number
HD6417712BPV
Description
MPU 1.5/3.3V 0K PB-FREE 256-BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH Ethernetr
Datasheet
1.HD6417712BPV.pdf
(980 pages)
Specifications of HD6417712BPV
Core Processor
SH-3 DSP
Core Size
32-Bit
Speed
200MHz
Connectivity
EBI/EMI, Ethernet, FIFO, SCI, SIO
Peripherals
DMA, POR, WDT
Number Of I /o
24
Program Memory Type
ROMless
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.4 V ~ 1.6 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
256-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:
HD6417712BPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 8 Interrupt Controller (INTC)
8.5
8.5.1
The sequence of interrupt operations is described below. Figure 8.3 is a flowchart of the
operations.
1. The interrupt request sources send interrupt request signals to the interrupt controller.
2. The interrupt controller selects the highest-priority interrupt from the interrupt requests sent,
3. The priority level of the interrupt selected by the interrupt controller is compared with the
4. Detection timing: The INTC operates, and notifies the CPU of interrupt requests, in
5. The interrupt source code is set in the interrupt event registers (INTEVT and INTEVT2).
6. The status register (SR) and program counter (PC) are saved to SSR and SPC, respectively.
7. The block bit (BL), mode bit (MD), and register bank bit (RB) in SR are set to 1.
8. The CPU jumps to the start address of the interrupt handler (the sum of the value set in the
Notes: 1. The interrupt mask bits (I3 to I0) in the status register (SR) are not changed by
Rev. 1.00 Dec. 27, 2005 Page 260 of 932
REJ09B0269-0100
following the priority levels set in the interrupt priority registers A to I (IPRA to IPRI). Lower
priority interrupts are held pending. If two of these interrupts have the same priority level or if
multiple interrupts occur within a single module, the interrupt with the highest priority is
selected, according to tables 8.2 and 8.3, Interrupt Exception Handling Sources and Priority.
interrupt mask bits (I3 to I0) in the status register (SR) of the CPU. If the request priority level
is higher than the level in bits I3 to I0, the interrupt controller accepts the interrupt and sends
an interrupt request signal to the CPU.
synchronization with the peripheral clock (Pφ). The CPU receives an interrupt at a break in
instructions.
vector base register (VBR) and H'00000600). This jump is not a delayed branch. The interrupt
handler may branch with INTEVT or INTEVT2 value as its offset in order to identify the
interrupt source. This enables it to branch to the handling routine for the individual interrupt
source.
2. The interrupt source flag should be cleared in the interrupt handler. To ensure that an
Operation
Interrupt Sequence
acceptance of an interrupt in this LSI.
interrupt request that should have been cleared is not inadvertently accepted again, read
the interrupt source flag after it has been cleared, and then clear the BL bit or execute
an RTE instruction.
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