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參數(shù)資料
| 型號(hào)： | W741L260 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4-BIT MICROCONTROLLER |
| 中文描述： | 4-BIT, MROM, 1 MHz, MICROCONTROLLER, PQFP80 |
| 封裝： | QFP-80 |
| 文件頁數(shù)： | 27/90頁 |
| 文件大小： | 480K |
| 代理商： | W741L260 |
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W741L260
Publication Release Date: March 1998
- 27 -
Revision A2
Continued
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LCDR1C
SEG31
SEG28
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SEG31
-
SEG30
-
SEG29
-
SEG28
-
LCDR1F
LCDR1D
The relationship between the LCD drive mode and the maximum number of drivable LCD segments
is shown below.
LCD DRIVE MODE
MAX. NUMBER OF DRIVABLE
LCD SEGMENT
32 (COM1)
64 (COM1
COM2)
96 (COM1
COM3)
96 (COM1
COM3)
128 (COM1
COM4)
CONNECTION AT
POWER INPUT
Connect V
DD3,
V
DD2
to
V
DD1
Connect V
DD3
to V
DD2
Connect V
DD3
to V
DD2
-
-
Static
1/2 Bias 1/2 Duty
1/2 Bias 1/3 Duty
1/3 Bias 1/3 Duty
1/3 Bias 1/4 Duty
LCD Output Mode Type Flag (LCDM)
The LCD output mode type flag is organized as an 8-bit binary register (LCDM.0 to LCDM.7). These
bits are used to control the LCD output pins architecture. When LCD output pins are set to DC output
mode by option codes, the architecture of these output pins (segment 0 to segment 31) can be
selected as CMOS or NMOS type. It is controlled by the MOV LCDM, #I instruction. The bit
descriptions are as follows:
w
1
2
3
LCDM
4
w
w
5
0
w
w
w
w
w
7
6
Note: W means write only.
LCDM.0 = 0 SEG0 to SEG3 work as CMOS output type.
= 1 SEG0 to SEG3 work as NMOS output type.
LCDM.1 = 0 SEG4 to SEG7 work as CMOS output type.
= 1 SEG4 to SEG7 work as NMOS output type.
LCDM.2 = 0 SEG8 to SEG11 work as CMOS output type.
= 1 SEG8 to SEG11 work as NMOS output type.
LCDM.3 = 0 SEG12 to SEG15 work as CMOS output type.
= 1 SEG12 to SEG15 work as NMOS output type.
LCDM.4 = 0 SEG16 to SEG19 work as CMOS output type.
= 1 SEG16 to SEG19 work as NMOS output type.
LCDM.5 = 0 SEG20 to SEG23 work as CMOS output type.
= 1 SEG20 to SEG23 work as NMOS output type.
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| W742C810 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:4-BIT MICROCONTROLLER |
| W742C811 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:4-BIT MICROCONTROLLER |
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