AK4184A Datasheet, PDF (17/36 Pages) Asahi Kasei Microsystems – TSC with Keypad Scanner and GPIO Expander

[AK4184A]
■ ύϫʔμ΢ϯ੍ޚ


PD bit ͰλονεΫϦʔϯυϥΠόεΠονͷύϫʔμ΢ϯ੍ޚΛߦ͍·͢ɻ
PD ϖϯׂΓࠐΈ
ػೳ
0
Enabled _{ΦʔτυϥΠό OFF ϞʔÏ}
CSN pin = “H”ͷঢ়ଶͰ͸ɺλονεΫϦʔϯυϥΠόεΠον͸ OFF ʹͳ
Γ·͢ɻ(ͨͩ͠ɺYN υϥΠόεΠον͸ ON Ͱ YN pin ͸ GND ʹ઀ଓ)ɻ͜
ͷϞʔυͰ͸ɺαϯϓϦϯά։͔࢝Β CSN pin = “L”ͷؒظ͸ɺׂΓࠐΈ͸ແ
ޮͰ͢ɻCSN pin = “H”ͷঢ়ଶͰ͸ϖϯׂΓࠐΈػೳ͕༗ޮͰ͢ɻ
1
Disabled _{࿈ଓυϥΠό ON ϞʔÏ}
CSN pin ʹؔ܎ͳ͘͜ͷϞʔυͰ͸λονεΫϦʔϯυϥΠό͸ৗʹ ON ঢ়
ଶͰ͢ɻϖϯׂΓࠐΈػೳ͸ແޮͰɺϖϯλονʹؔ܎ͳ͘ PENIRQN pin
͸ ৗʹ“H” Ͱ͢ɻυϥΠό͸ৗʹ ON ঢ়ଶͰ͢ͷͰɺαϯϓϦϯά։࢝લʹ
λονεΫϦʔϯͷిѹΛ҆ఆͤ͞Δࣄ͕ग़དྷ·͢ɻ·ͨ CSN pinˣ͔Βα
ϯϓϦϯάΛ։࢝͠·͢ͷͰητϦϯά࣌ؒΛ௕͘ඞཁͳ৔߹ʹ༗ޮͰ͢ɻ
Table 8. ύϫʔμ΢ϯ੍ޚ
಺ଂ A/D ίϯόʔλ͸ɺCSN pin = “H”ͷؒظ͸ύϫʔμ΢ϯঢ়ଶɺCSN pin = “L”ͷؒظ͸λονεΫϦʔϯ
ίϚϯυൃߦ࣌͸ɺύϫʔΞοϓঢ়ଶɺ௨ৗͷϨδελॻ͖ࠐΈಡΈग़͠ίϚϯυൃߦ࣌͸ɺύϫʔμ΢ϯ
ঢ়ଶͰ͢ɻ
MS0947-J-00
-17-
2008/04