AK4185 Datasheet, PDF (1/30 Pages) Asahi Kasei Microsystems – Low Power Touch Screen Controller with SPI™ Interface

[AK4185]
AK4185
Low Power Touch Screen Controller with SPI™ Interface
֓ཁ
AK4185͸ɺஞ࣍ൺֱܕ12ϏοτA/DίϯόʔλΛ಺ଂͨ͠4ઢ/5ઢࣜ఍߅ບํࣜλονεΫϦʔϯίϯ
τϩʔϥICͰ͢ɻ௿ిѹϚΠΫϩϓϩηοαͱͷ઀ଓΛ༰қʹ͢ΔͨΊʹ1.6VminͰಈ࡞͕ՄೳͰ͢ɻ
AK4185͸ɺ࿈ଓଌఆɺଌఆσʔλԋࢉΛࣗಈͰ࣮ߦ͠ɺैདྷϚΠΫϩϓϩηοαͰߦ͍ͬͯͨฏۉԽ
౳ͷॲཧΛAK4185͢·͍ͯ͠ݱ࣮Ͱ಺ɻ͞Βʹ࿈ଓࣗಈଌఆ͢ΔγʔέϯγϟϧଌఆϞʔυΛ৽ͨʹ
౥ࡌ͠ɺ࠲ඪݕग़ʹ͔͔Δ࣌ؒΛ୹ॖ͠ϚΠΫϩϓϩηοαͷෛՙΛେ෯ʹ௿͢·͠ݮɻX, Y࣠ͷҐஔ
ݕग़ʹՃ͑චѹଌఆ΋ՄೳͰ͢ɻܞଳ ثػDSC, DVC, Smart Phone, PMPͳͲͷΞϓϦέʔγϣϯʹ
࠷దͰ͢ɻ
ಛ௕
„ 4/5ઢࣜ఍߅ບํࣜΠϯλϑΣʔε
„ SPI™ γϦΞϧΠϯλϑΣʔε
„ 12bitஞ࣍ൺֱܕADC಺ଂ (S/Hճ࿏಺ଂ)
„ αϯϓϦϯάϨʔτ: 300Ksps
„ චѹଌఆ (4ઢࣜબ୒࣌)
„ ࿈ଓಡΈग़͠ػೳ (֎෦ΫϩοΫϞʔυ)
„ ಺෦Osc౥ࡌ (γʔέϯγϟϧଌఆରԠ)
„ தؒ஋ฏॲۉཧϑΟϧλ౥ࡌ
ిݯి „ѹ: VDD = 1.6V ~ 3.6V
„ PENIRQN όοϑΝग़ྗ
„ ௿ফඅిྲྀ: 240μA at 1.8V
„ Φʔτύϫʔμ΢ϯ
„ Package: 12pin CSP (1.96mm x 1.46mm, pitch 0.5mm)
„ AK4182Aιϑτ΢ΤΞ׵ޓ
VDD
XP/BR
YP/TR
XN/TL
YN/BL
IN/
WIPER
MS0954-J-05
4/5wire
Touch
Screen
Drivers
Interface
MUX
VREF+
AIN+ _SAR
ADC
AIN-
VREF-
TEMP
VSS
Figure 1. ϒϩοΫਤ
-1-
SPI
Serial I/F
&
Control
Logic
Internal
Osc
CSN
DIN
SCLK
DOUT
PENIRQN
SPI™͸ɺMotorola ͷొ࿥঎ඪͰ͢ɻ
2010/10