m3819 Renesas Electronics Corporation., m3819 Datasheet - Page 89

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

2. APPLICATION
Fig. 2.2.7 Structure of Interrupt request register 1
Fig. 2.2.8 Structure of Interrupt request register 2
Interrupt request register 1
Interrupt request register 2
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 request register 1 (IREQ1) [Address:3C
Interrupt request reigster 2 (IREQ2) [Address:3D
INT
INT
Serial I/O 2 interrupt request
Serial I/O 3 interrupt request
Timer 1 interrupt request bit
Timer 2 interrupt request bit
Timer 3 interrupt request bit
Timer 4 interrupt request bit
Timer 5 interrupt request bit
Timer 6 interrupt request bit
INT
Nothing is allocated for this bit. This is a write disabled bit.
When this bit is read out, the value is "0."
"0" is set by software, but not "1."
"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
INT
A-D conversion interrupt
request bit
FLD blanking interrupt
request bit
FLD digit interrupt request bit
bit
0
1
3
/ZCR interrupt request bit
interrupt request bit
2
4
interrupt request bit
interrupt request bit
interrupt request bit
3819 Group USER’S MANUAL
Name
Name
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
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
Function
Function
16
16
]
]
MITSUBISHI MICROCOMPUTER
3819 Group
At reset
At reset
2.2 Timer
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R W
R W
75