AK4184A Datasheet, PDF (29/36 Pages) Asahi Kasei Microsystems – TSC with Keypad Scanner and GPIO Expander

[AK4184A]
■ Power Down Register (PAGE 1)
λονύωϧɺΩʔύουϒϩοΫΛύϫʔΞοϓʗμ΢ϯͤ͞ΔϨδελͰ͢ɻ
λονύωϧϒϩοΫͷύϫʔμ΢ϯঢ়ଶ(TPPD bit = “1”)Ͱ͸λονύωϧυϥΠό͸શͯ OFF ʹͳΓ·͢
ͷͰɺϖϯμ΢ϯ࣌ʹ͓͍ͯ΋λονεΫϦʔϯܦ༝Ͱిྲྀ͕ྲྀΕ·ͤΜɻ·ͨϖϯׂΓࠐΈ͸ແޮͰɺ
PENIRQN pin ͸ৗʹ“H”Ͱ͢ɻϖϯׂΓࠐΈΛແޮʹ͠ɺλονύωϧυϥΠόΛΦϑʹग़དྷ·͢ɻλονύ
ωϧϒϩοΫΛύϫʔμ΢ϯͯ͠ফඅిྗΛ࡟͢ݮΔ৔߹ʹ༗ޮͰ͢ɻ
ΩʔύουϒϩοΫͷύϫʔμ΢ϯ(KPPD bit = “1”)Λߦ͏ͱ C1 ~ C6 pins ͷग़ྗ͕ “L”ʹͳΓɺࡏݱਐߦதͷ
ΩʔεΩϟϯΛఀࢭ͠ɺσʔλಡΈग़͠ϑϥάΛΫϦΞʔ͠·͢ɻύϫʔΞοϓઃఆޙɺΩʔύουγʔέ
ϯεΛ։࢝͢Δ͜ͱ͕ՄೳͰ͢ɻύϫʔμ΢ϯঢ়ଶͰ͸ΩʔׂΓࠐΈ͸ແޮͰ͢ɻ
λονύωϧɺΩʔύουϒϩοΫͷύϫʔ੍ޚϨδελͷϑΥʔϚοτ͸ҎԼͷ௨ΓͰ͢ɻ
Addr NAME D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1
D0
08H PDCTRL 0
0
0
0
0
0
0 0 0 0 0 0 0 0 KPPD TPPD
Table 37. Power Down Register Format
Bits Name
Description
15:2
Reserved
1
KPPD ΩʔύουϒϩοΫͷύϫʔμ΢ϯΛߦ͍·͢
0: ύϫʔΞοϓ(default)
1: ύϫʔμ΢ϯ
0
TPPD λονύωϧϒϩοΫͷύϫʔμ΢ϯΛߦ͍·͢
0: ύϫʔΞοϓ(default)
1: ύϫʔμ΢ϯ
Table 38. Power Down Register
MS0947-J-00
-29-
2008/04