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參數(shù)資料
| 型號(hào)： | LC75700T |
| 廠商： | SANYO SEMICONDUCTOR CO LTD |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO20 |
| 封裝： | 0.225 INCH, TSSOP-20 |
| 文件頁(yè)數(shù)： | 4/16頁(yè) |
| 文件大小： | 127K |
| 代理商： | LC75700T |
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System Reset
When the power is first applied, the state of function is undefined, so it must be initialized by RES = “L”
1.Reset methods
This LSI stopprts the reset methods described below.
When a system reset is applied, key scanning is disabeled, the key data is reset, and the general-purpose output ports
are set to and held at the low level (VSS).
Set RES = “H” after the RES = “L” period. And key scanning become possible by the control data are transferred.
No. 7632-12/16
LC75700T
Control data transfer
KS1 to KS3
Output pins KS4/P4 to KS6/P2
P1
RES
CE
Undefined
"L"
Defined
Notes: t1
≥ 10 s
t2
≥ 10 s
VIL
t1
VDD
VDDmin
VIL
t2
VIH1
Blocks to which the reset applies.
RES
CCB
INTERFACE
VDD
DI
KEY SCAN
KI1
KI2
KI3
KI4
KI5
KS1
KS2
KS3
KS4/P4
KS5/P3
P1
KS6/P2
KEY BUFFER
GENERAL PORT
CONTROL REGISTER
SHIFT REGISTER
CLOCK
GENERATOR
VSS
CL
CE
DO
OSC
2.Internal block states during the reset period.
CLOCK GENERATOR
Reset is applied and the basic clock is stopped. (The oscillator on the OSC pin is stopped.)
KEY SCAN, KEY BUFFER
Reset is applied, the circuit is set to the initial state, and at the same time the key scan operation is disabled.
And all the key data is set to Low. Then, when the control data are transferred, the key scanning operation is enabled.
GENERAL PORT
Reset is applied and the outputs of P1 to P4 are all set to the low level.
CCB INTERFACE, SHIFT REGISTER, CONTROL REGISTER
When a reset is applied, The CONTROL REGISTER is forcibly initialized internally. Then, when control data are
transferred, the LSI operates according to the control data.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LC75700T-MPB-E | 功能描述:接口 - 專用 KEY SCAN IC RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59 |
| LC75700TS-MPB-E | 功能描述:LCD 驅(qū)動(dòng)器 RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube |
| LC75700TS-TLM-E | 功能描述:LCD 驅(qū)動(dòng)器 RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube |
| LC75700T-TLM-E | 功能描述:接口 - 專用 KEY SCAN IC RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59 |
| LC7570E | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Static Drivers for Vacuum Fluorescent Display for Frequency Display Applications |
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