Hrtotalreg (0X0A00 0400); Hrvisibreg (0X0A00 0402) - NEC VR4181 mPD30181 User Manual

21.4.1 HRTOTALREG (0x0A00 0400)

Bit 15
Name Reserved
R/W R
Reset 0
Bit 7
Name Htot7
R/W R/W
Reset 0
Bit Name
15 to 8 Reserved
7 to 0 Htot(7:0)

21.4.2 HRVISIBREG (0x0A00 0402)

Bit 15
Name Reserved
R/W R
Reset 0
Bit 7
Name Reserved
R/W R
Reset 0
Bit Name
15 to 6 Reserved
5 to 0 Hact(5:0)
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CHAPTER 21 LCD CONTROLLER
14 13
Reserved Reserved Reserved
R R
0 0
6 5
Htot6 Htot5
R/W R/W
0 0
0 is returned when read
Number of horizontal total columns. Set this register to a value one half of the
horizontal total.
Horizontal total = horizontal visible width + horizontal blank
14 13
Reserved Reserved Reserved
R R
0 0
6 5
Reserved Hact5
R R/W
0 0
0 is returned when read
Number of horizontal visible pixels. Set this register to a value one eighth of the
horizontal visible pixels.
User's Manual U14272EJ3V0UM
12 11
Reserved Reserved
R R
0 0
4 3
Htot4 Htot3 Htot2
R/W R/W
0 0
Function
12 11
Reserved Reserved
R R
0 0
4 3
Hact4 Hact3 Hact2
R/W R/W
0 0
Function
10 9
Reserved Reserved
R R
0 0
2 1
Htot1 Htot0
R/W R/W R/W
0 0
10 9
Reserved Reserved
R R
0 0
2 1
Hact1 Hact0
R/W R/W R/W
0 0
8
R
0
0
0
8
R
0
0
0