参数资料
型号: LC74736PT
元件分类: 画面叠加
英文描述: ON-SCREEN DISPLAY IC, PQFP100
封装: 14 X 14 MM, TQFP-100
文件页数: 101/106页
文件大小: 405K
代理商: LC74736PT
LC74736PT
No.A0569-94/106
1.4 Character RAM write
(1) Write start address specification
Use COMMAND700 to specify the character RAM write start address.
FAD1to FAD0: Character RAM address P-No specification
QVGA: 0 to 3, hexadecimal, (4 characters)
WVGA: 1 character only 0 to 3 (hexadecimal) P1 to P4
FVA3 to FVA0: Character RAM V dot address specificatrion 0 to F (hexadecimal)
FRN1 to FRN0: ROM No. specification 0 to 3 (hexadecimal)
No.1 to No.4
D15 to
D0
0 0 0 0
0 0 0 1
0 0 1 0
V dot
Address
1 1 1 0
1 1 1 1
(2) Data write
Continuous write mode differs depending on the write mode specification. (RM3)
1. Normal (RM3 = 0: initial state) *Continuous mode not used*
---COM701-1 701-2-1 701-2-2 command wait state ---
2. Write continuous (RM3 = 1) mode
COM701-1 701-2-1 701-2-2
*: In mode 2, the IC remains locked in continuous write mode until the CS pin is set high.
The write address is automatically incremented.
The write address is retained unless the IC is reset or a new write address is issued.
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