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H8S2245 датащи(PDF) 149 Page - Renesas Technology Corp

номер детали H8S2245
подробное описание детали  Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2200 Series
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производитель  RENESAS [Renesas Technology Corp]
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Section 5 Interrupt Controller
Rev.3.00 Mar. 26, 2007 Page 107 of 772
REJ09B0355-0300
5.2.2
Interrupt Control Registers A to C (ICRA to ICRC)
7
ICR7
0
R/W
6
ICR6
0
R/W
5
ICR5
0
R/W
4
ICR4
0
R/W
3
ICR3
0
R/W
0
ICR0
0
R/W
2
ICR2
0
R/W
1
ICR1
0
R/W
Bit
Initial value
R/W
:
:
:
The ICR registers are three 8-bit readable/writable registers that set the interrupt control level for
interrupts other than NMI.
The correspondence between ICR settings and interrupt sources is shown in table 5.3.
The ICR registers are initialized to H'00 by a reset and in hardware standby mode.
Bit n—Interrupt Control Level (ICRn):
Bit n
ICRn
Description
0
The corresponding interrupt requests have priority level 0 (low priority)
(Initial value)
1
The corresponding interrupt requests have priority level 1 (high priority)
Note:
n = 7 to 0
Table 5.3
Correspondence between Interrupt Sources and ICR Settings
Bits
Register 76
54
32
10
ICRA
IRQ0
IRQ1
IRQ2
IRQ3
IRQ4
IRQ5
IRQ6
IRQ7
DTC
Watchdog
timer
—
ICRB
—
A/D
converter
TPU
channel 0
TPU
channel 1
TPU
channel 2
——
—
ICRC
8-bit timer
channel 0
8-bit timer
channel 1
—
SCI
channel 0
SCI
channel 1
SCI
channel 2
——



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