M37702E6BFS Renesas Electronics America, M37702E6BFS Datasheet - Page 77
M37702E6BFS
Manufacturer Part Number
M37702E6BFS
Description
EPROM MCU/8BIT CMOS EMULATION CH
Manufacturer
Renesas Electronics America
Datasheet
1.M37702E6BFS.pdf
(524 pages)
Specifications of M37702E6BFS
Accessory Type
Emulator EPROM MCU
For Use With/related Products
7702
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
M37702E6BFS
Manufacturer:
MITSUBISHI/三菱
Quantity:
20 000
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4.6 Interrupt priority level detection time
After sampling had started, an interrupt priority level detection time has elapses before an interrupt request
is accepted. The interrupt priority level detection time can be selected by software. Figure 4.6.1 shows the
interrupt priority level detection time.
As the interrupt priority level detection time, normally select “2 cycles of internal clock .”
Fig. 4.6.1 Interrupt priority level detection time
(1) Interrupt priority detection time select bits
(2) Interrupt priority level detection time
b7
Interrupt priority level
Note: Pulse exists when “2 cycles of
b6
0
detection time
b5
b4
Op code fetch cycle
Sampling pulse
b3
(a) 7 cycles
(b) 4 cycles
(c) 2 cycles
b2
b5, b4
b1
7702/7703 Group User’s Manual
b0
0 0
0 1
1 0
1 1
” is selected.
Processor mode bits
Wait bit
Fix to “0.”
Processor mode register (Address 5E
Software reset bit
Clock
7 cycles of
4 cycles of
Do not select
2 cycles of
Interrupt priority detection time select bits
1
4.6 Interrupt priority level detection time
output select bit
[(a) shown below]
[(b) shown below]
[(c) shown below]
(Note)
INTERRUPTS
16
)
4–13
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