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參數(shù)資料
| 型號： | MSC7170-01 |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | 5x7 Dot Character x 16-Digit x 2-Line Display Controller/Driver with Keyscan Function |
| 中文描述： | 5x7點字符× 16位× 2行顯示控制器/驅(qū)動器與鍵盤掃描功能 |
| 文件頁數(shù)： | 4/27頁 |
| 文件大?。?/td> | 253K |
| 代理商： | MSC7170-01 |
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Semiconductor
MSC7170-01
4/27
FEDL7170-03
PIN DESCRIPTIONS
Pin
1
Symbol
V
DISP
SEG2-1 to
SEG2-35
SEG2-36
Description
High voltage power supply
VF tube 5
￥
7 dot anode driver outputs. These pins may be connected directly to
the VF tube.
VF tube cursor driver output.
VF tube 5
￥
7 dot anode driver outputs. These pins may be connected directly to
the VF tube.
2-36
37
38-39
SEG1-1
SEG1-2
40
V
SS1
High voltage ground
VF tube 5
￥
7 dot anode driver outputs. These pins may be connected directly to
the VF tube.
41-72
SEG1-3 to
SEG1-35
73
SEG1-36
VF tube cursor driver output.
VF tube 5
￥
7 dot anode driver output. This pin may be connected directly to
the VF tube.
74
SEG1-21
75
V
SS2
Logic supply ground.
Grid driver standby output pin. A logic high level on this output forces the grid
driver (MSC7171) into a low power standby mode.
76
STANDBY
77
78
79
DUTY
CLOCK
DATA
Duty cycle output pin.
Grid driver clock output pin.
Grid driver data output pin.
80
81
82
SYNC
OSCO
OSCI
AC filament synchronization input pin.
Oscillator output pin.
Oscillator input pin.
Reset input pin.
83
RESET
84
SOMI
SPI data output pin. Keyscan data is shifted out on the falling edge of SCLK.
85
SCLK
SPI clock input pin. Data is shifted in on the SIMO pin on the rising edge of SCLK.
SPI data input pin. Command data is shifted in on the rising edge of SCLK.
86
SIMO
Chip select input pin. Interface to the microprocessor is possible only when a
logic low level is applied to this pin. The SOMI output pin is tri-stated when
ENABLE
is at a logic high level so that multiple devices may use the SPI network.
Interrupt request output to the microprocessor for keyscan data read out.
Keyscanning is started when any key is depressed or released. After completion
of one cycle,
KBINT
goes to a logic low level to indicate new keyscan data is
available.
KBINT
remains low until execution of Keyscan Data Output command.
Column 1-6 input pins from key switch matrix. A pull-up resistor is built in so that
the pin is in the logic high state except when a key is depressed and a logic low
level is input to the pin.
87
ENABLE
88
KBINT
89-94
COL6-1
Connects to crystal (or ceramic resonator) oscillator and
capacitor. These pins have internal feedback resistors.
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