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參數資料
| 型號： | W33D0001 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 英文描述： | 128-Dot LCD Driver With Timer And Clock Functions(具有定時和時鐘功能的128點液晶顯示器驅動器) |
| 中文描述： | 128點液晶定時器和時鐘函數驅動器（具有定時和時鐘功能的128點液晶顯示器驅動器） |
| 文件頁數： | 6/28頁 |
| 文件大小： | 281K |
| 代理商： | W33D0001 |
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W33D0001 SERIES
- 6 -
FUNCTIONAL DESCRIPTION
1. Operating Mode
The W33D0001 provides three operating modes: Normal mode, Clock mode, and Timer mode.
Only the normal mode and clock mode can be programmed by the
μ
P. The address data
corresponding to the mode is shown in Figure 1.
In Figure 1 the address 0
127 range works as a working-loop. This means that the programmed
address located in the 0-127 range will return to zero when the 127 address location is exceeded. The
128
255 range has the same function as the 0
127 range.
Data in the 0
127 range are known as normal mode data. Data in the 192
227 range are known as
clock mode data, and data in the 248
255 are known as function control bits.
The following description shows the control functions, including the 8 control bits (248
255), the
transceiver function controlled by a
μ
P in normal mode (0
127), and clock mode (192
227).
1.1 The Function Control Bits
BIT
FUNCTION
0
127
These addresses are for normal mode data display. This section functions as a
working-loop. When you program data over address 127, the data will automatically
start from the 0 address again.
128
191,
228
247
192
227
248
Reserved section area.
Clock data area.
Waveform Disable bit
0: Disable the waveform output from the WFG pin and keep the output to high.
(Default value)
1: Enable the waveform output from the WFG pin.
249, 250
Determine which waveform will be generated on the WFG pin.
The waveform can be determined by the following table:
249
250
Divid Time
1S (default)
1/2
1/16
1/256
0
0
1
1
0
1
0
1
LCD panel ON/OFF control bit.
(This bit will not affect the normal data in the chip, it just affects the LCD panel)
0: LCD panel light on. (Default value)
1: LCD panel light off.
251
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