th July 2011 6 www.semtech.com SX8657/SX8658 Haptics E" />
參數(shù)資料
型號(hào)： SX8658IWLTRT
廠商： Semtech
文件頁數(shù)： 56/61頁
文件大小： 0K
描述： IC TOUCH SCREEN 12BIT 20QFN
標(biāo)準(zhǔn)包裝： 1
類型： 電阻式，觸感驅(qū)動(dòng)器
觸摸面板接口： 4，5 線
輸入數(shù)/鍵： 1 TSC，雨刷，鑰匙
分辨率（位）： 12 b
評(píng)估套件： *
數(shù)據(jù)接口： I²C，串行
電壓基準(zhǔn)： 內(nèi)部
電源電壓： 2.3 V ~ 3.6 V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 20-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 20-QFN（4x4）
包裝： 標(biāo)準(zhǔn)包裝
其它名稱： SX8658IWLDKR
ADVANCED COMMUNICATIONS & SENSING
Rev 1 – 25
th July 2011
6
www.semtech.com
SX8657/SX8658
Haptics Enabled 4/5-Wire
Resistive Touchscreen Controller with Proximity Sensing
1.3
Pin Description
Name
Type
Description
VDD
P
Main Power Supply
GND
P
Main Ground
VREG
P
Internal Regulator Output (must be connected to an external capacitor; see §13)
MVDD
P
Haptics Motor Power Supply
MGND
P
Haptics Motor Ground (must be electrically connected to GND)
MOUTP
AO
Haptics Motor Positive Drive
MOUTN
AO
Haptics Motor Negative Drive
MIN
DI
Haptics Motor PWM/Clock Input
X+/BR
A
4-wire Touchscreen : X+ Electrode
5-wire Touchscreen : Bottom Right (BR) Electrode
Y+/TR
A
4-wire Touchscreen : Y+ Electrode
5-wire Touchscreen : Top Right (TR) Electrode
X-/TL
A
4-wire Touchscreen : X- Electrode
5-wire Touchscreen : Top Left (TL) Electrode
Y-/BL
A
4-wire Touchscreen : Y- Electrode
5-wire Touchscreen : Bottom Left (BL) Electrode
AUX1/WIPER
D/A
4-wire Touchscreen : First Programmable Auxiliary Function (see §9)
5-wire Touchscreen : WIPER Electrode
AUX2
D/A
Second Programmable Auxiliary Function (see §9)
AUX3
D/A
Third Programmable Auxiliary Function (see §9)
ADDR
DI
I2C Address Selection (QFN only, internally connected to GND on CSP)
SCL
DI
I2C Clock Input
SDA
DIO
I2C Data Input/Output
NIRQ
DO
Interrupt Output (active low)
NRST
DI
Reset Input (active low)
A/D/I/O/P: Analog/Digital/Power/Input/Output
Table 1 – Pin Description
1.4
Block Diagram
Figure 5 – SX8657 Block Diagram
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