參數(shù)資料
型號(hào)： MTV230M64
廠商： Electronic Theatre Controls, Inc.
英文描述： 8051 Embedded Micro Controller with Flash OSD and ISP
中文描述： 8051嵌入式閃存OSD和ISP的微控制器
文件頁(yè)數(shù)： 23/31頁(yè)
文件大?。?/td> 404K
代理商： MTV230M64
MTV230M64
Page 23 of 31
A1-A0 = (0, 0)
→
Next 9-bit data will be written into ADDRESS byte.
= (0, 1)
→
Next 9-bit data will be written into ATTRIBUTE byte.
OSDCA
(w) : This is the column address of the display RAM that next 9-bit data should be written into.
OSDDT0
(w) : The MSB (bit 8) = 0, 8 LSB (bit 7 ~ bit 0) = OSDDT0. The 9-bit data will be written into current
(OSDRA, OSDCA) address of the display RAM. It will also trigger the post increment operation of
OSDRA and OSDCA.
OSDDT1
(w) : The MSB (bit 8) = 1, 8 LSB (bit 7 ~ bit 0) = OSDDT1. The 9-bit data will be written into current
(OSDRA, OSDCA) address of the display RAM. It will also trigger the post increment operation of
OSDRA and OSDCA.
W1ROW
,
W1COL
(w) : Window 1 control registers.
Row (column) start (end) address : These registers are used to specify the window 1 size. It should be
noted that when the start address is greater than end address, the
corresponding window display will be disabled.
WEN : Enable the relative background window 1 display.
WINT : Specify the color intensity of the background window 1. Setting this bit to “0” means low
intensity.
WSHD : Enable shadowing on the window 1.
R, G, B : Specify the color of the relative background window 1.
W2ROW
,
W2COL
(w) : Window 2 control registers.
Row (column) start (end) address : These registers are used to specify the window 2 size.
WEN : Enable the relative background window 2 display.
WINT : Specify the color intensity of the background window 2. Setting this bit to “0” means low
intensity.
WSHD : Enable shadowing on the window 2.
R, G, B : Specify the color of the relative background window 2.
W3ROW
,
W3COL
(w) : Window 3 control registers.
Row (column) start (end) address : These registers are used to specify the window 3 size.
WEN : Enable the relative background window 3 display.
WINT : Specify the color intensity of the background window 3. Setting this bit to “0” means low
intensity.
WSHD : Enable shadowing on the window 3.
R, G, B : Specify the color of the relative background window 3.
W4ROW
,
W4COL
(w) : Window 4 control registers.
Row (column) start (end) address : These registers are used to specify the window 4 size.
WEN : Enable the relative background window 4 display.
WINT : Specify the color intensity of the background window 4. Setting this bit to “0” means low
intensity.
WSHD : Enable shadowing on the window 4.
R, G, B : Specify the color of the relative background window 4.
VERTD
(w) :
Specify the starting position for vertical display. The total steps are 256, and the increment of
each step is 4 horizontal display lines. The starting position is calculated as (VERTD*4 + 1)
horizontal display lines. The initial value is 4 after power up.
HORD
(w) :
Specify the starting position for horizontal display. The total steps are 256, and the increment of
each step is 6 dots. The starting position is calculated as (HORD*6 + 49) horizontal display dots.
The initial value is 15 after power up.
CH
(w) :
Define the character vertical height, the height is programmable from 18 to 71 lines. The
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