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參數(shù)資料
| 型號： | LM8300HLQ9 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 消費家電 |
| 英文描述： | Four Wire Resistive Touchscreen Controller with Brownout |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, QCC44 |
| 封裝： | LLP-44 |
| 文件頁數(shù)： | 10/20頁 |
| 文件大小： | 327K |
| 代理商： | LM8300HLQ9 |
9.0 Functional Description
(Continued)
PC
Command
PC
Byte
1
$B4
PC
Byte 2
TSC
Byte 1
TSC
Byte 2
Read stored
calibration
points
$CA
Section
9.3.3
Advanced
Command
Bytes
Descriptions
$00-$3F
Set focus
value (# of
pixels on
touch panel)
Set # of
samples per
coordinate (1,
2, 4, 8, 16,
32)
Set
communication
mode
(stream,
touchdown,
liftoff)
Set max delta
(# of pixels
from
predicted
coordinate)
Set calibration
points
$B8
$0-$3F
$CA
$BA
$01, $02,
$04, $08,
$10, $20
$CA
$01, $02,
$04, $08,
$10, $20
$BB
$01, $02,
$04
$CA
$01, $02,
$04
$BC
$00-$3F
$CA
$00-$3F
$BD
Section
9.3.3
Advanced
Command
Bytes
Descriptions
$00-$7F
$CA
Section
9.3.3
Advanced
Command
Bytes
Descriptions
$00-$7F
Set minimum
pressure
Toggle
disable/enable
external filter
path
Toggle
disable/enable
self
power-down
Toggle
disable/enable
echo mode
Toggle
disable/enable
pressure
measurements
$BE
$CA
$A0
$CA
$00, $01
$A2
$CA
$00, $01
$A3
$CA
$00, $01
$A4
$CA
$00, $01
PC
Command
PC
Byte
1
$A5
PC
Byte 2
TSC
Byte 1
TSC
Byte 2
Toggle
disable/enable
calibration
coordinate
check
Wakeup
Shutdown
Soft reset
TSC Replies
Timeout
Re-send
Self test failed
Self test ok
Acknowledge
Calibration
coordinates
ok
Error / buffer
overrun
Software
version
Data transmit
$CA
$00, $01
$A7
$A8
$AF
$CA
$CA
$CB, $CC
$CF
$CE
$CC
$CB
$CA
$C4
$C8
$C7
$0-$7F
$80/$90Payload (3/4
bytes)
9.3.3 Advanced Command Bytes Descriptions
Unless otherwise mentioned, all values are in hex.
$B0: Read clock-speed
Reply Byte #1: $CA (Acknowledge)
Byte #2: Clock readout (0 = 3.3MHz, 1 = 10MHz)
CLK_SEL pin tells the firmware which oscillator speed is
used. If the CLK_SEL input pin is floating or pulled high a
10.0MHz oscillator must be connected. If the pin is pulled
low a 3.3MHz oscillator must be connected. This command
enables the driver software to determine which oscillator
speed is used with the touch screen controller, as this deter-
mines the maximum coordinate pair per second data rates.
Note:
This is available in the LM8500 only.
$B1: Read parameters
Reply Byte #1: $CA (Acknowledge)
Reply Byte #2: First byte in software version number,
year 20 (00-99)
Reply Byte #3: Communication mode (1 = stream, 2 =
touchdown, 4 = liftoff)
Byte #4: Wakeup on touch (0 = disabled, 1 = enabled)
Reply Byte #5: Number of samples (1,2, 4, 8, 16 or
32)
Byte #6: Clock readout (0 = 3.3MHz, 1 = 10MHz)
Byte #7: Second byte in software version number,
month (1-12)
Byte #8: Third byte in software version number, day
(1-31)
Byte #9: Focus value (0-63)
Byte #10: Max delta (0-63)
L
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| LM8300HMT9 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Four Wire Resistive Touchscreen Controller with Brownout |
| LM8300HVA9 | 功能描述:IC TOUCHSCREEN CONTROLLER 44PLCC RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 觸摸屏控制器 系列:- 標(biāo)準(zhǔn)包裝:96 系列:- 類型:- 觸摸面板接口:- 輸入數(shù)/鍵:- 分辨率（位）:- 評估套件:* 數(shù)據(jù)接口:- 數(shù)據(jù)速率/采樣率 (SPS，BPS):- 電壓基準(zhǔn):- 電源電壓:- 電流 - 電源:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:帶卷 (TR) |
| LM8300ILQ9 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Four Wire Resistive Touchscreen Controller with Brownout |
| LM8300IMT9 | 功能描述:IC TOUCHSCREEN CONTROLLR 48TSSOP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 觸摸屏控制器 系列:- 標(biāo)準(zhǔn)包裝:96 系列:- 類型:- 觸摸面板接口:- 輸入數(shù)/鍵:- 分辨率（位）:- 評估套件:* 數(shù)據(jù)接口:- 數(shù)據(jù)速率/采樣率 (SPS，BPS):- 電壓基準(zhǔn):- 電源電壓:- 電流 - 電源:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:帶卷 (TR) |
| LM8300IMT9/NOPB | 制造商:Texas Instruments 功能描述:Four Wire Resistive Touchscreen Controller With Brownout 48-Pin TSSOP |
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