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參數(shù)資料
| 型號： | SX8652IWLTRT |
| 廠商： | Semtech |
| 文件頁數(shù)： | 16/29頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TOUCH SCREEN CTRLR 14DFN |
| 標準包裝： | 1 |
| 類型： | 電阻 |
| 觸摸面板接口： | 4 線，5 線 |
| 輸入數(shù)/鍵： | 2 鍵 |
| 分辨率（位）： | 12 b |
| 數(shù)據(jù)接口： | 串行，SPI? |
| 數(shù)據(jù)速率/采樣率 (SPS，BPS)： | 74k |
| 電壓基準： | 內(nèi)部 |
| 電源電壓： | 1.65 V ~ 3.7 V |
| 電流 - 電源： | 10mA |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 14-WFDFN 裸露焊盤 |
| 供應商設備封裝： | 14-DFN |
| 包裝： | 標準包裝 |
| 其它名稱： | SX8652IWLDKR |
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Revision V1.7/October 2010
2010 Semtech Corp.
SX8652
www.semtech.com
Page 23
ADVANCED COMMUNICATIONS & SENSING
DATASHEET
15kV ESD Low Power 4-Wire / 5-Wire Resistive
Touchscreen Controller with SPI Interface
9.7. SX8652 register
Register
Bit Default
Description
RegCtrl0
7:4
0000
RATE
Set rate in coordinates per sec (cps) (± 20%)
If RATE =0: Manual mode. if RATE >0: Automatic mode
0000: Timer disabled -Manual mode
0001: 10 cps
0010: 20 cps
0011: 40 cps
0100: 60 cps
0101: 80 cps
0110: 100 cps
0111: 200 cps
1000: 300 cps
1001: 400 cps
1010: 500 cps
1011: 1k cps
1100: 2k cps
1101: 3k cps
1110: 4k cps
1111: 5k cps
3:0
0000
POWDLY
Conversion (or first conversion when filtering is enabled) settling time (± 10%)
0000: Immediate (0.5 us)
0001: 1.1 us
0010: 2.2 us
0011: 4.4 us
0100: 8.9 us
0101: 17.8 us
0110: 35.5 us
0111: 71.0 us
1000: 0.14 ms
1001: 0.28 ms
1010: 0.57 ms
1011: 1.14 ms
1100: 2.27 ms
1101: 4.55 ms
1110: 9.09 ms
1111: 18.19 ms
RegCtrl1
7:6
00
AUXAQC
00: AUX is used as an analog input (4-
wire only)
01: On rising AUX edge, wait POWDLY
and start acquisition
10: On falling AUX edge, wait POWDLY
and start acquisition
11: On rising and falling AUX edges,
wait POWDLY and start acquisition
The AUX trigger works only in manual mode with 4-wire touchscreen
5
1
CONDIRQ
Enable conditional interrupts
0: interrupt always generated at end of
conversion cycle. If no pen is detected
the data is set to ‘invalid qualified’.
1: interrupt generated when pen detect
is successful
4
0
SCREEN
Select the type of screen:
0: 4-wire
1: 5 -wire
3:2
00
RPDNT
Select the Pen Detect Resistor
00: 100 kOhm
01: 200 kOhm
10: 50 kOhm
11: 25 kOhm
1:0
00
FILT
Digital filter control
00: Disable
01: 3 sample averaging
10: 5 sample averaging
11: 7 sample acquisition, sort, average 3
middle samples
RegCtrl2
7:4
0
reserved
3:0
0000
SETDLY
Settling time while filtering (± 10%)
0000: Immediate (0.5 us)
0001: 1.1 us
0010: 2.2 us
0011: 4.4 us
0100: 8.9 us
0101: 17.8 us
0110: 35.5 us
0111: 71.0 us
1000: 0.14 ms
1001: 0.28 ms
1010: 0.57 ms
1011: 1.14 ms
1100: 2.27 ms
1101: 4.55 ms
1110: 9.09 ms
1111: 18.19 ms
Table 15. SX8652 Register
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相關代理商/技術參數(shù) |
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|---|---|
| SX8653 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Multitouch 15kV ESD protection 4-Wire / 5-Wire Resistive Touchscreen Controller with SPI Interface |
| SX8653ICSTRT | 制造商:Semtech Corporation 功能描述: |
| SX8653ICSTRT1 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Multitouch 15kV ESD protection 4-Wire / 5-Wire Resistive Touchscreen Controller with SPI Interface |
| SX8653IWLTRT | 制造商:Semtech Corporation 功能描述: 制造商:Semtech Corporation 功能描述:TAPE & REEL 4/5 WIRE RESISTIVE TOUCH |
| SX8653IWLTRT1 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Multitouch 15kV ESD protection 4-Wire / 5-Wire Resistive Touchscreen Controller with SPI Interface |
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