M30622MA-XXXFP RENESAS [Renesas Technology Corp], M30622MA-XXXFP Datasheet - Page 512
M30622MA-XXXFP
Manufacturer Part Number
M30622MA-XXXFP
Description
16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.M30622MA-XXXFP.pdf
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Interrupt
Table 4.3.1. Time required for executing the interrupt sequence
Note 1: Add 2 cycles in the case of a DBC interrupt; add 1 cycle in the case either of an address coincidence
Note 2: Locate an interrupt vector address in an even address, if possible.
Figure 4.3.2. Time required for executing the interrupt sequence
Table 4.3.2. Relationship between interrupts without interrupt priority levels and IPL
Interrupt vector address
4.3.2 Variation of IPL when Interrupt Request is Accepted
Time (a) is dependent on the instruction under execution. Thirty cycles is the maximum required for the
DIVX instruction (without wait).
Time (b) is as shown in Table 4.3.1.
If an interrupt request is accepted, the interrupt priority level of the accepted interrupt is set in the IPL.
If an interrupt request, that does not have an interrupt priority level, is accepted, one of the values shown
in Table 4.3.2 is set in the IPL.
Watchdog timer, NMI
Reset
Other
Odd (Note 2)
Odd (Note 2)
BCLK
Address bus
Data bus
R
W
interrupt or of a single-step interrupt.
Interrupt sources without priority levels
Even
Even
_______
The indeterminate segment is dependent on the queue buffer.
If the queue buffer is ready to take an instruction, a read cycle occurs.
1
Address
Stack pointer (SP) value
0000
information
2
Interrupt
3
Even
Even
Odd
Odd
________
4
Indeterminate
Indeterminate
5
Indeterminate
6
7
16-Bit bus, without wait
8
18 cycles (Note 1)
19 cycles (Note 1)
19 cycles (Note 1)
20 cycles (Note 1)
SP-2
9
contents
SP-2
10
SP-4
11
contents
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Value set in the IPL
SP-4
12
Not changed
13
vec
contents
vec
7
0
8-Bit bus, without wait
14
20 cycles (Note 1)
20 cycles (Note 1)
20 cycles (Note 1)
20 cycles (Note 1)
vec+2
15
contents
Mitsubishi microcomputers
M16C / 62 Group
vec+2
16
17
PC
18
497
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