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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: 4/28頁
文件大小: 281K
代理商: W33D0001
W33D0001 SERIES
- 4 -
Pin Description, continued
SYMBOL
PIN
I/O
FUNCTION
COM1
COM4
56
59
O
LCD panel common pins.
(1/3 bias, 1/4 duty)
SEG1
SEG32
60
64,
2
28
O
LCD panel segment pins.
(1/3 bias, 1/4 duty)
RDATA
44
O
Serial data output pin. It is H-Z when not active.
Power source: V
DD1
RCLK
42
I
Synchronous read clock input pin.
Power source: V
DD1
WDATA
45
I
Serial data/address input pin.
Power source: V
DD1
WCLK
41
I
Synchronous write clock input pin. Power source: V
DD1
MS
43
I
Mode select input pin with floating status.
Normal mode is active high or low by mask option. MS pin is high
as normal mode through all the SPEC. Power source: V
DD1
(Refer to functional description for more details)
12 / 24
47
I
12-hour (high) or 24-hour (low) clock select pin with floating
status.
Power source: V
DD1
WFG
48
O
Waveform generator output pin.
When
RST
= 0, 1 Hz or 1024 Hz (selected by mask option) will
output from this pin.
When
RST
= 1, the control bits (248, 249, 250) will output the
square-wave from this pin. Power source: V
DD1
.
TIM
39
I
Timer start/stop control pin with floating status.
MODE
30
I
Clock mode-adjust pin with internal pull-low resistor.
SET
31
I
Clock digit-adjust pin with internal pull-low resistor.
ATS
49
I
Auto Timer Select pin with floating status.
ATS = 1, Auto timer disable.
ATS = 0, Auto timer enable.
(Refer to functional description for more details)
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