m3819 Renesas Electronics Corporation., m3819 Datasheet - Page 154

• Manufacturer Part Number: m3819
• Description: Mitsubishi 8-bit Single-chip Microcomputer 740 Family / 38000 Series
• Manufacturer: Renesas Electronics Corporation.

2. APPLICATION
Fig. 2.6.3 Structure of Interrupt edge selection register
Fig. 2.6.4 Structure of Interrupt request register 1
140
Interrupt edge selection register
Interrupt request register 1
b7 b6 b5 b4 b3 b2 b1 b0
b7 b6 b5 b4 b3 b2 b1 b0
b
0
1
2
3
4
5
6
7
B
0
1
2
3
4
5
6
7
Interrupt edge selecton reigster (INTEDGE) [Address:3A
Interrupt request reigster 1 (IREQ1) [Address:3C
INT
bit
INT
selection bit
INT
bit
INT
bit
INT
bit
INT
switch bit
CNTR
bit
CNTR
bit
INT
INT
Serial I/O 2 interrupt request
Serial I/O 3 interrupt request
Timer 1 interrupt request bit
Timer 2 interrupt request bit
"0" is set by software, but not "1."
bit
bit
INT
Remote control/counter
overflow interrupt request bit
Serial I/O 1 interrupt request
Serial I/O automatic transfer
interrupt request bit
bit
0
1
2
3
4
4
0
1
/ZCR interrupt edge
/A-D conversion interrupt
/ZCR interrupt request bit
interrupt edge selection
interrupt edge selection
interrupt edge selection
interrupt edge selection
interrupt request bit
2
0
1
interrupt request bit
pin active edge switch
pin active edge switch
Name
2.6 Interrupt interval determination function
3819 Group USER’S MANUAL
Name
0 : Falling edge active
1 : Rising edge active
0 : Falling edge active
1 : Rising edge active
0 : Falling edge active
1 : Rising edge active
0 : Falling edge active
1 : Rising edge active
0 : Falling edge active
1 : Rising edge active
0 : INT
1 : A-D conversion interrupt
0 : Falling edge active
1 : Rising edge active
0 : Falling edge active
1 : Rising edge active
0 : No interrupt request
1 : Interrupt request
0 : No interrupt request
1 : Interrupt request
0 : No interrupt request
1 : Interrupt request
0 : No interrupt request
1 : Interrupt request
0 : No interrupt request
1 : Interrupt request
0 : No interrupt request
1 : Interrupt request
0 : No interrupt request
1 : Interrupt request
0 : No interrupt request
1 : Interrupt request
4
interrupt
Function
Function
16
]
16
MITSUBISHI MICROCOMPUTER
]
3819 Group
At reset
At reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R W
R W