參數(shù)資料
型號: 20-101-0303
廠商: Rabbit Semiconductor
文件頁數(shù): 54/126頁
文件大?。?/td> 0K
描述: SMARTSCREEN OP7100 W/TOUCHSCREEN
標準包裝: 1
顯示器類型: STN - 超扭轉(zhuǎn)向列,帶觸摸面板
可視范圍: 121.00mm L x 91.00mm W
背光: CCFL - 白
點象素: 320 x 240(QVGA)
接口: 串行
點間距: 0.36mm x 0.36mm
產(chǎn)品目錄頁面: 618 (CN2011-ZH PDF)
其它名稱: 20-101-0303-ND
20-101-303
20-101-303-ND
316-1175
OP7100
Hardware
33
J3
C104
C106
C101
C95
C96
R62
R61
C102
JP1
Y1
C4
C7
U4
R2
C51
J1
LCD
U1
R1
C12
R51R52
U6
U2
RT1
R33
C49
J2
C1
T1
Q3
DANGER! HIGH VOLTAGE
Q2
C8
C10
R56
R4
Trans-
former
RT2
JP7
JP6
C105
U30
JP10
JP9
JP8
C98
C100
C99
C97
C103
LCD
Control
JP1
Y1
C4
C5
C7
U4
R2
C51
C6
J1
LCD
U3
R1
C12
R51R52
U6
C3
U2
C2
U1
RT1
R33
C49
J2
C1
T1
Q3
DANGER! HIGH VOLTAGE
Q2
C10
R56
R4
Trans-
former
LCD
Control
CURRENT
OP7100
PRE-2006
OP7100
Other functions support the LCD module to adjust its contrast and to turn
the white CCFL backlight on and off. A variable resistor between two of
the LCD module’s terminals sets the contrast, which is set either by soft-
ware or manually, depending on the jumper setting on header JP2. Once a
contrast value is set, it will be maintained. A single programmed I/O bit is
used to turn the backlight on or off.
The controller chip used in OP7100’s sold before 2006 supported either
32K or 64K of SRAM. These OP7100s were designed using a dual-
footprint SRAM to accept either one 32K or two 32K SRAM. One 32K
part was standard.
OP7100 units sold after June, 2006, have a new LCD controller chip because
the previously used LCD controller chip is no longer available. The new LCD
controller chip has 32K of internal SRAM. Figure 3-9 shows the area of the
OP7100 that changed to accommodate the new LCD controller chip. The new
LCD controller is not 100% code-compatible with the old chip—the New
LCD Controller Chip section on p. 73 explains how to handle programs
developed for an OP7100 for the older LCD controller chip.
Figure 3-9. How to Identify Pre-2006 OP7100 Boards
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TPSW107M004R0100 CAP TANT 100UF 4V 20% 2312
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