m37905 Renesas Electronics Corporation., m37905 Datasheet - Page 87

• Manufacturer Part Number: m37905
• Description: Mitsubishi 16-bit Single-chip Microcomputer 7700 Family / 7900 Series
• Manufacturer: Renesas Electronics Corporation.

INTERRUPTS
6.3 Interrupt control
Fig. 6.3.2 Structure of interrupt control register
6-6
A-D conversion, UART0 and 1 transmit, UART0 and 1 receive, timers
A0 to A4, timers B0 to B2 interrupt control registers (Addresses 70
to 7C
UART2 transmit, UART2 receive interrupt control registers (Addresses
F1
Timers A5 to A9 interrupt control registers (Addresses F5
INT
INT
INT
Notes 1: The interrupt request bits of INT
Notes 1: The A-D conversion interrupt request bit is undefined after reset.
7 to 4
7, 6
16
Bit
Bit
0
3
5
0
1
2
3
4
5
0
1
2
3
, F2
, INT
, INT
, INT
16
2: When writing to this bit, use the MOVM (MOVMB) or STA (STAB, STAD) instruction.
2: When writing to this bit, use the MOVM (MOVMB) or STA (STAB, STAD) instruction.
)
16
1
4
6
Interrupt priority level select bits
Interrupt request bit (Note 1)
Polarity select bit
Level sense/Edge sense select
bit
Nothing is assigned.
)
Interrupt priority level select bits
Interrupt request bit
Nothing is assigned.
, INT
, INT
interrupt control registers (Addresses 6E
2
7
interrupt control registers (Addresses 7D
interrupt control registers (Addresses FD
Bit name
Bit name
0
to INT
7905 Group User’s Manual Rev.1.0
7
b2 b1 b0
0 : No interrupt requested
1 : Interrupt requested
0 : The interrupt request bit is set to “1” at “H” level
1 : The interrupt request bit is set to “1” at “L” level
0 0 0 : Level 0 (Interrupt disabled)
0 0 1 : Level 1
0 1 0 : Level 2
0 1 1 : Level 3
1 0 0 : Level 4
1 0 1 : Level 5
1 1 0 : Level 6
1 1 1 : Level 7
0 : Edge sense
1 : Level sense
0 : No interrupt requested
1 : Interrupt requested
b2 b1 b0
0 0 0 : Level 0 (Interrupt disabled)
0 0 1 : Level 1
0 1 0 : Level 2
0 1 1 : Level 3
1 0 0 : Level 4
1 0 1 : Level 5
1 1 0 : Level 6
1 1 1 : Level 7
interrupts are invalid when the level sense is selected.
when level sense is selected; this bit is set to “1”
at falling edge when edge sense is selected.
when level sense is selected; this bit is set to “1”
at rising edge when edge sense is selected.
16
, 6F
16
16
16
16
)
, 7E
, FE
to F9
Function
Function
16
16
, 7F
, FF
16
)
16
16
16
)
)
b7 b6 b5 b4 b3 b2 b1 b0
b7 b6 b5 b4 b3 b2 b1 b0
Undefined
At reset
Undefined
(Note 1)
At reset
0
0
0
0
0
0
0
0
0
0
(Note 2)
(Note 2)
R/W
R/W
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
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