m3819 Renesas Electronics Corporation., m3819 Datasheet - Page 172

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

2. APPLICATION
Fig. 2.9.7 Structure of Interrupt request register 2
Fig. 2.9.8 Structure of Interrupt control register 1
158
Interrupt control 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 control register 1 (ICON1) [Address:3E
Interrupt request reigster 2 (IREQ2) [Address:3D
INT
INT
Serial I/O 2 interrupt enable
Serial I/O 3 interrupt enable
Timer 1 interrupt enable bit
Timer 2 interrupt enable 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."
bit
bit
"0" is set by software, but not "1."
INT
Remote control/counter
overflow interrupt enable bit
Serial I/O 1 interrupt enable
Serial I/O automatic transfer
interrupt enable bit
INT
A-D conversion interrupt
request bit
FLD blanking interrupt
request bit
FLD digit interrupt request bit
bit
0
1
3
/ZCR interrupt enable bit
interrupt enable bit
2
4
interrupt request bit
interrupt enable bit
interrupt request bit
Name
3819 Group USER’S MANUAL
Name
2.9 Clock generating circuit
0 : Interrupt disabled
1 : Interrupt enabled
0 : Interrupt disabled
1 : Interrupt enabled
0 : Interrupt disabled
1 : Interrupt enabled
0 : Interrupt disabled
1 : Interrupt enabled
0 : Interrupt disabled
1 : Interrupt enabled
0 : Interrupt disabled
1 : Interrupt enabled
0 : Interrupt disabled
1 : Interrupt enabled
0 : Interrupt disabled
1 : Interrupt enabled
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R W
R W