
7532/7536 Group User’s Manual
APPLICATION
2-71
2.5 A-D converter
Fig. 2.5.5 Structure of Interrupt edge selection register
Fig. 2.5.6 Structure of Interrupt request register 1
Interrupt edge selection register
b7 b6 b5 b4 b3 b2 b1 b0
B
0
Function
At reset
R W
0
1
2
3
4
5
6
7
Name
0
0
0
0
0
0
Interrupt edge selection register (INTEDGE) [Address : 3A
16
]
Nothing is allocated for these bits. These are write disabled bits.
When these bits are read out, the values are “0”.
INT
0
interrupt edge
selection bit (
Note 1
)
INT
1
interrupt edge
selection bit (
Note 2
)
0 : Falling edge active
1 : Rising edge active
0 : Falling edge active
1 : Rising edge active
Serial I/O1 or INT
1
interrupt
selection bit
Timer X or key-on wake up
interrupt selection bit
Timer 2 or serial I/O2 interrupt
selection bit
CNTR
0
or AD converter
interrupt selection bit
0 : Serial I/O1
1 : INT
1
0 : Timer X
1 : Key-on wake up
0 : Timer 2
1 : Serial I/O2
0 : CNTR
0
1 : AD converter
Notes 1:
7532 Group, 32-pin version: Not used.
This is a write disabled bit. When this bit is read out, the value is “0”.
2:
7532 Group, 36-pin and 32-pin version: Not used.
This is a write disabled bit. When this bit is read out, the value is “0”.
0
CNTR
0
or AD converter
interrupt request bit
Nothing is allocated for this bit. This is a write disabled bit.
When this bit is read out, the value is “0”.
8
:
These bits can be cleared to “0” by program, but cannot be set.
Notes 1:
7532 Group, 36-pin version and 32-pin version: INT
1
interrupt does not exist.
2:
7532 Group, 32-pin version: INT
0
interrupt does not exist.
This is a write disabled bit. When this bit is read out, the value is “0”.
Interrupt request register 1
b7 b6 b5 b4 b3 b2 b1 b0
B
0
Function
At reset
R W
0
1
2
3
4
5
6
7
Name
0
0
0
0
0
0
0
Interrupt request register 1 (IREQ1) [Address : 3C
16
]
UART receive/USBIN token
interrupt request bit
UART transmit/USBSETUP/
OUT token/Reset/Suspend/
Resume/INT
1
interrupt
request bit (
Note 1
)
0 : No interrupt request issued
1 : Interrupt request issued
0 : No interrupt request issued
1 : Interrupt request issued
Timer 2 or serial I/O2 interrupt
request bit
INT
0
interrupt request bit
(
Note 2
)
Timer X or key-on wake up
interrupt request bit
0 : No interrupt request issued
1 : Interrupt request issued
0 : No interrupt request issued
1 : Interrupt request issued
0 : No interrupt request issued
1 : Interrupt request issued
0 : No interrupt request issued
1 : Interrupt request issued
0 : No interrupt request issued
1 : Interrupt request issued
Timer 1 interrupt request bit
8
8
8
8
8
8
8