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H8SX1663 Fiches technique(PDF) 178 Page - Renesas Technology Corp

No de pièce H8SX1663
Description  Renesas 32-Bit CISC Microcomputer H8SX Family / H8SX/1600 Series
PDF  1158 Pages
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Fabricant  RENESAS [Renesas Technology Corp]
Site Internet  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H8SX1663 Fiches technique(HTML) 178 Page - Renesas Technology Corp

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Section 5 Interrupt Controller
Rev.1.00 Jun. 07, 2006 Page 126 of 1102
REJ09B0294-0100
The priority level which is automatically assigned when the IPSETE bit is 1 differs according to
the interrupt control mode.
In interrupt control mode 0, the I bit in CCR of the CPU is reflected in bit CPUP2. Bits CPUP1
and CPUP0 are fixed 0. In interrupt control mode 2, the values of bits I2 to I0 in EXR of the CPU
are reflected in bits CPUP2 to CPUP0.
Table 5.7 shows the CPU priority control.
Table 5.7
CPU Priority Control
Control Status
Interrupt
Control
Mode
Interrupt
Priority
Interrupt
Mask Bit
IPSETE in
CPUPCR
CPUP2 to CPUP0
Updating of CPUP2
to CPUP0
0
Default
I = any
0
B'111 to B'000
Enabled
I = 0
1
B'000
Disabled
I = 1
B'100
2
IPR setting
I2 to I0
0
B'111 to B'000
Enabled
1
I2 to I0
Disabled



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