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參數(shù)資料
| 型號： | AK4183VT |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | I2C Touch Screen Controller |
| 中文描述： | 觸摸屏控制器的I2C |
| 文件頁數(shù)： | 5/17頁 |
| 文件大?。?/td> | 173K |
| 代理商： | AK4183VT |
ASAHI KASEI
[AK4183]
MS0500-E-00
2006/04
5
DC Characteristics (Logic I/O)
Ta = -40 to 85
°
C, VCC = 2.5V to 3.6V
Parameter
“H” level input voltage
“L” level input voltage
Input Leakage Current
“H” level output voltage (PENIRQN pin@ Iout = -250
μ
A)
“L” level output voltage (PENIRQN pin @ Iout = 250
μ
A)
(SDA pin @ Iout = 3mA)
Tri-state Leakage Current
All pins except for XP, YP, XN, YN pins
Symbol
VIH
VIL
IILK
VOH
min.
0.7xVCC
typ.
-
-
max.
0.3xVCC
10
Units
V
V
μ
A
V
-10
VCC-0.4
VOL
0.4
V
XP, YP, XN, YN pins
IOLK
-10
-50
10
50
μ
A
μ
A
Switching Characteristics
Ta = -40 to 85
°
C, VCC = 2.5V to 3.6V
Parameter (I
2
C Timing)
SCL clock frequency
Bus Free Time Between Transmissions
Start Condition Hold Time (prior to first Clock pulse)
Clock Low Time
Clock High Time
Setup Time for Repeated Start Condition
SDA Hold Time from SCL Falling (Note 2)
SDA Setup Time from SCL Rising
Rise Time of Both SDA and SCL Lines
Fall Time of Both SDA and SCL Lines
Setup Time for Stop Condition
Pulse Width of Spike Noise Suppressed
Capacitive load on bus
Note 2: Data must be held for sufficient time to bridge the 300 ns transition time of SCL.
SDA
Symbol
fSCL
tBUF
tHD:STA
tLOW
tHIGH
tSU:STA
tHD:DAT
tSU:DAT
tR
tF
tSU:STO
tSP
min
30
1.3
0.6
1.3
0.6
1.3
0
0.1
0.6
0
typ
max
400
0.3
0.3
50
Units
kHz
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
ns
By Input Filter
Cb
400
pF
tHIGH
SCL
VIH
tLOW
tBUF
tHD:STA
tR
tF
tHD:DAT
tSU:DAT
tSU:STA
Stop
Start
Start
Stop
tSU:STO
VIL
VIH
VIL
tSP
Figure 1 AK4183 Timing Diagram
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|---|---|
| AK4184 | 制造商:AKM 制造商全稱:AKM 功能描述:Analog I/F IC which includes 4-wire resistive Touch Screen Controller |
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| AK4184AEG | 制造商:AKM 制造商全稱:AKM 功能描述:TSC with Keypad Scanner and GPIO Expander |
| AK4184VG | 制造商:AKM 制造商全稱:AKM 功能描述:TSC with Keypad Scanner and GPIO Expander |
| AK4185 | 制造商:AKM 制造商全稱:AKM 功能描述:Low Power Touch Screen Controller with SPI? Interface |
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