M37221M4H/M6H/M8H/MAH–XXXSP/FP M37221EASP/FP
Interrupt Request Register 1
b7b6 b5b4b3 b2b1b0
Interrupt request register 1 (IREQ1) [Address 00FC16
]
B
0
Name
Functions
After reset R W
Timer 1 interrupt
request bit (TM1R)
0
0
0
0
0
0
0
0
R
R
R
0 : No interrupt request issued
1 : Interrupt request issued
■
■
■
Timer 2 interrupt
request bit (TM2R)
0 : No interrupt request issued
1 : Interrupt request issued
1
2
3
4
Timer 3 interrupt
request bit (TM3R)
0 : No interrupt request issued
1 : Interrupt request issued
R ■
Timer 4 interrupt
request bit (TM4R)
0 : No interrupt request issued
1 : Interrupt request issued
0 : No interrupt request issued
1 : Interrupt request issued
■
■
■
■
OSD interrupt request
bit (CRTR)
R
R
R
R
V
SYNC interrupt
request bit (VSCR)
Multi-master I2C-BUS interface
interrupt request bit (IICR)
0 : No interrupt request issued
1 : Interrupt request issued
5
6
7
0 : No interrupt request issued
1 : Interrupt request issued
0 : No interrupt request issued
1 : Interrupt request issued
INT3 external interrupt
request bit (IT3R)
■: “0” can be set by software, but “1” cannot be set.
Fig. 8.3.2 Interrupt Request Register 1
Interrupt Request Register 2
b7 b6b5b4b3 b2b1b0
0
Interrupt request register 2 (IREQ2) [Address 00FD16
]
B
0
Name
Functions
R W
After reset
0
INT1 external interrupt
request bit (IT1R)
0 : No interrupt request issued
1 : Interrupt request issued
R
R
R
R
R
R
■
1
2
0 : No interrupt request issued
1 : Interrupt request issued
0
INT2 external interrupt
request bit (IT2R)
■
Serial I/O interrupt
request bit (S1R)
■
0
0
0
0
0 : No interrupt request issued
1 : Interrupt request issued
—
3
4
Nothing is assigned. This bit is a write disable bit.
When this bit is read out, the value is “0.”
f(XIN)/4096 interrupt
■
0 : No interrupt request issued
1 : Interrupt request issued
request bit (MSR)
—
5, 6
Nothing is assigned. These bits are write disable bits.
When these bits are read out, the values are “0.”
Fix this bit to “0.”
7
0
R W
■: “0” can be set by software, but “1” cannot be set.
Fig. 8.3.3 Interrupt Request Register 2
Rev.1.00 Oct 01, 2002 page 21 of 110
REJ03B0134-0100Z
RENESAS [ RENESAS TECHNOLOGY CORP ]
