UPD30181 Datasheet, PDF (419/444 Pages) NEC – 64-/32-Bit Microprocessor

CHAPTER 21 LCD CONTROLLER
21.4.10 LCDINRQREG (0x0A00 0412)
Bit
Name
R/W
Reset
15
Reserved
R
0
14
Reserved
R
0
13
Reserved
R
0
12
Reserved
R
0
11
Reserved
R
0
10
Reserved
R
0
9
Reserved
R
0
8
Reserved
R
0
Bit
Name
R/W
Reset
7
Reserved
6
Reserved
5
Reserved
4
Reserved
3
Reserved
R
R
R
R
R
0
0
0
0
0
2
VIReq
R/W
0
1
FIFOOV
ERR
R/W
0
0
Reserved
R
0
Bit
15 to 3
2
Name
Reserved
VIReq
1
FIFOOVERR
0
Reserved
Function
0 is returned when read
Vertical retrace interrupt request
0 : No request (outside vertical blank)
1 : Requested (vertical blank)
FIFO overrun interrupt request
0 : No request
1 : Requested
0 is returned when read
User’s Manual U14272EJ3V0UM
419