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參數資料
| 型號： | LM8300IVA9 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Four Wire Resistive Touchscreen Controller with Brownout |
| 中文描述： | 四線電阻式觸摸屏控制器掉電 |
| 文件頁數： | 5/20頁 |
| 文件大?。?/td> | 327K |
| 代理商： | LM8300IVA9 |
6.0 Pin Descriptions
Pinouts for 44- and 48-Pin Packages
Pin Name
RESET
DTR
WD_OUT
Direction
I
I
Pin Description
44-Pin LLP
6
7
8
44-Pin PLCC
1
2
3
48-Pin TSSOP
1
2
3
Reset pin, pull low to reset
UART data terminal ready signal
Watchdog output, tie to RESET pin
for correct function
Used to set if crystal is 3.3 MHz (low)
or 10 MHz (floating or pulled high)
O
CLK_SET
1
I
9
4
4
Unused
2
Unused
2
Unused
2
Unused
2
OSC_OUT
OSC_IN
Unused
2
Unused
2
UART_TX
10
11
12
13
14
15
16
17
18
5
6
7
8
9
10
11
12
13
5
6
7
8
9
10
11
12
13
O
I
Clock oscillator output
Clock oscillator input
O
UART transmit pin (inverted for use
with standard RS-232 drivers)
UART receive pin (inverted for use
with standard RS-232 drivers
Shutdown pin, puts the device in halt
mode if pulled low
UART_RX
I
19
14
14
SHUTDOWN
I
20
15
15
Unused
2
Unused
2
WAKE-UP
21
22
23
16
17
18
16
17
18
I
Used to wake up the processor from
halt mode with touch on touch screen
Drives the X+ wire, also analog input
when sampling
Drives the Y- wire, also analog input
when sampling
Drives the X- wire, also analog input
when sampling
Drives the Y+ wire, also analog input
when sampling
X+
I/O
24
19
19
Y-
I/O
25
20
20
X-
I/O
26
21
21
Y+
I/O
27
22
22
Unused
2
Unused
2
FILTER_OUT
FILTER_IN
GND
AGND
AV
CC
28
29
30
31
32
33
34
23
24
25
26
27
28
29
23
24
25
26
27
28
31
O
I
Analog output to the filter
Analog input from the filter
Digital ground
Analog ground
Analog power supply, connect to filter
for best performance
Digital power supply
V
CC
Unused
2
Unused
2
Unused
2
Unused
2
Unused
2
Unused
2
Unused
2
Unused
2
35
X
X
36
37
38
39
40
41
30
X
X
31
32
33
34
35
36
32
33
34
35
36
37
38
39
40
L
www.national.com
5
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PDF描述 |
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| LM8300 | Four Wire Resistive Touchscreen Controller with Brownout |
| LM8300HLQ9 | Four Wire Resistive Touchscreen Controller with Brownout |
| LM8300HMT9 | Four Wire Resistive Touchscreen Controller with Brownout |
| LM831 | LM831 Low Voltage Audio Power Amplifier |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LM8300-REF-01 | 功能描述:BOARD EVALUATION LM8300 RoHS:否 類別:編程器，開發系統 >> 評估演示板和套件 系列:- 標準包裝:1 系列:PCI Express® (PCIe) 主要目的:接口，收發器，PCI Express 嵌入式:- 已用 IC / 零件:DS80PCI800 主要屬性:- 次要屬性:- 已供物品:板 |
| LM8305 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:STN LCD Display Bias Voltage source |
| LM8305M | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:STN LCD Display Bias Voltage source |
| LM8305M-1 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| LM8305MX-1 | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
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