參數(shù)資料
型號(hào): STV9937P
廠商: 意法半導(dǎo)體
英文描述: 120-MHz On-Screen Display for Monitors including PictureBooSTTM and 4 True Independent Window Displays
中文描述: 120 - MHz的屏幕的顯示器,其中包括PictureBooSTTM和4個(gè)真正的獨(dú)立的窗口顯示顯示
文件頁(yè)數(shù): 10/49頁(yè)
文件大小: 441K
代理商: STV9937P
Register Addressing
STV9937
10/49
The transmission formats are as follows:
1. Format A: S-FWR-FAC-D
2. Format B: S-FWR-FAC-D
3. Format C: S-FWR-FAC-D
FWR-FAC-D FWR-FAC-D
FAC-D FAC-D FAC-D...Stop
D
D D...Stop
FWR-FAC-D...Stop
Where:
S
= Slave address = BAh
FWR
= Format, Window and Row address
FAC
= Format, Attribute and Column address
D
= CTRL Control data (8 bits), CB Color codes (3 bits) or RC Character codes (9 bits).
In Format C, the order of automatic incrementation for data D is first the column value, then the row
value, and then the window value.
2.1.3
Format, Window and Row Address (FWR)
Bit 7 indicates the ‘Window & Row’ byte when set to 1.
W[2:0]
: Window Number
000: Control Data and Color Codes
001: Window 1
010: Window 2
011: Window 3
100: Window 4
R[3:0]
: Row Numbers from 0 to 15. Each window has a maximum number of 16 rows.
2.1.4
Format, Attribute and Column Address (FAC)
Bit 7 indicates the ‘Attribute & Column’ byte when set to 0.
F
: Format
0: Format A or B
1: Format C
A:
Transmission of character code or color code
0: Character Code
1: Color Code and Character Code MSB
When reading or writing control data and/or character codes, bit A must be set to 0. For color code
and character code MSB, bit A must be set to 1.
Table 2: Various Bytes coded in the I2C Transmission
Byte
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
FWR
1
W[2:0]
R[3:0]
FAC
0
F
A
C[4:0]
D
: Control Data (in window 0 only)
CTRL[7:0]
D
: Color Code and Character Code MSB
0
0
0
RC[8]
0
CB[2:0]
D
: Character Code LSBs
RC[7:0]
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