M37280MF Datasheet, PDF (23/178 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER

PRELIMINARY _{NSootimcee: pTahriasmisennotitcalimfinitasl} ^{asrpeecsiufibcjaetciot nto. change.}
MITSUBISHI MICROCOMPUTERS
M37280MF–XXXSP, M37280MK–XXXSP
M37280EKSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
Interrupt Request Register 1
b7 b6 b5 b4 b3 b2 b1 b0
Interrupt request register 1 (IREQ1) [Address 00FC16]
B
Name
Functions
0 Timer 1 interrupt
0 : No interrupt request issued
request bit (TM1R) _{1 : Interrupt request issued}
1 ^{Timer 2 interrupt}
0 : No interrupt request issued
request bit (TM2R) _{1 : Interrupt request issued}
2 ^{Timer 3 interrupt}
0 : No interrupt request issued
request bit (TM3R) _{1 : Interrupt request issued}
3 ^{Timer 4 interrupt}
0 : No interrupt request issued
request bit (TM4R) 1 : Interrupt request issued
4 ^{OSD interrupt request 0 : No interrupt request issued}
bit (OSDR)
1 : Interrupt request issued
5 ^{VSYNC interrupt}
0 : No interrupt request issued
request bit (VSCR) 1 : Interrupt request issued
6 ^{A-D conversion • INT3}
0 : No interrupt request issued
interrupt request bit (ADR) 1 : Interrupt request issued
7 Nothing is assigned. This bit is a write disable bit.
When this bit is read out, the value is “0.”
V: “0” can be set by software, but “1” cannot be set.
After reset R W
0 RV
0 RV
0 RV
0 RV
0 RV
0 RV
0 RV
0 ^R—
Fig. 12.3.2 Interrupt Request Register 1
Interrupt Request Register 2
b7 b6 b5 b4 b3 b2 b1 b0
0
Interrupt request register 2 (IREQ2) [Address 00FD16]
B
Name
Functions
After reset R W
0 ^{INT1 interrupt}
request bit (IN1R)
0 : No interrupt request issued
1 : Interrupt request issued
0 R^V
1 ^{Data slicer interrupt 0 : No interrupt request issued}
request bit (DSR) _{1 : Interrupt request issued}
0 R^V
2 ^{Serial I/O interrupt 0 : No interrupt request issued}
request bit (SIOR) _{1 : Interrupt request issued}
0 R^V
3 ^{f(XIN)/4096 • SPRITE OSD 0 : No interrupt request issued}
interrupt request bit (CKR) 1 : Interrupt request issued
0 R^V
4 ^{INT2 interrupt}
0 : No interrupt request issued
request bit (IN2R) 1 : Interrupt request issued
0 R^V
5 Multi-master I²C-BUS ^{0 : No interrupt request issued}
interrupt request bit (IICR) 1 : Interrupt request issued
0 R^V
6 ^{Timer 5 • 6 interrupt 0 : No interrupt request issued}
request bit (TM56R) _{1 : Interrupt request issued}
0 R^V
7 ^{Fix this bit to “0.”}
0 RW
V: “0” can be set by software, but “1” cannot be set.
Fig. 12.3.3 Interrupt Request Register 2
Rev. 1.0
23