MB85RS16 Datasheet, PDF (2/32 Pages) Fujitsu Component Limited. – 16 K (2 K×8) ビットSPI

MB85RS16
■ ୺ࢠ഑ྻਤ
(TOP VIEW)
CS
1
8
SO
2
7
WP
3
6
GND
4
5
(FPT-8P-M02)
VDD
HOLD
CS 1
SO 2
SCK
SI
WP 3
GND 4
(TOP VIEW)
(LCC-8P-M04)
8 VDD
7 HOLD
6 SCK
5 SI
ػࢠ୺ ■ೳઆ໌
୺ࢠ൪߸ ୺ࢠ໊
ػೳઆ໌
νοϓηϨΫτ୺ࢠ
νοϓΛબ୒ঢ়ଶʹ͢ΔͨΊͷೖྗ୺ࢠͰ͢ɻCS ͕ “H” Ϩϕϧͷͱ͖ , νοϓ͸ඇબ୒ ( ε
1
CS _{λϯόΠ ) ঢ়ଶͱͳΓ , SO ͸ High-Z ʹͳΓ·͢ɻ͜ͷͱ͖ , ΄͔ͷ୺ࢠͷೖྗ͸ແࢹ͞Ε·}
͢ɻCS ͕ “L” Ϩϕϧͷͱ͖ , νοϓ͸બ୒ ( ΞΫςΟϒ ) ঢ়ଶͱͳΓ·͢ɻΦϖίʔυೖྗલ
ʹ CS ΛཱͪԼ͛Δඞཁ͕͋Γ·͢ɻຊ୺ࢠ͸ , ಺෦Ͱ VDD ୺ࢠʹϓϧΞοϓ͞Ε͍ͯ·͢ɻ
ϥΠτϓϩςΫτ୺ࢠ
3
WP
εςʔλεϨδελ΁ͷॻࠐΈΛ੍͢ޚΔ୺ࢠͰ͢ɻWP ͱ WPEN(ʮ■ εςʔλεϨδελʯ
ࢀর ) ͱ͕ؔ࿈ͯ͠ , εςʔλεϨδελͷॻࠐΈΛϓϩςΫτ͠·͢ɻৄࡉͳઆ໌͸ ,
ʮ■ ॻࠐΈϓϩςΫτʯΛࢀর͍ͯͩ͘͠͞ɻ
ϗʔϧυ୺ࢠ
7
HOLD ^{νοϓΛඇબ୒ঢ়ଶʹͤͣʹγϦΞϧೖग़ྗΛ͢ࢭٳΔͱ͖ʹ࢖༻͠·͢ɻHOLD ͕ “L” Ϩ}
ϕϧͷͱ͖ , ϗʔϧυಈ࡞ͱͳΓ , SO ͸ High-Z ʹ , SCK, SI ͸ don’t care ʹͳΓ·͢ɻϗʔϧ
υಈ࡞த͸ CS Λ “L” Ϩϕϧʹอͨͳ͚Ε͹ͳΓ·ͤΜɻ
γϦΞϧΫϩοΫ୺ࢠ
6
SCK _{γϦΞϧσʔλͷೖग़ྗͷͨΊͷΫϩοΫೖྗ୺ࢠͰ͢ɻSI ͸ SCK ͷ্ཱΓΤοδʹಉ͠ظ}
ͯऔΓࠐ·Ε , SO ͸ SCK ͷཱԼΓΤοδʹಉͯ͠ظग़ྗ͞Ε·͢ɻ
5
SI
γϦΞϧσʔλೖྗ୺ࢠ
γϦΞϧσʔλͷೖྗ୺ࢠͰ͢ɻΦϖίʔυ , ΞυϨε , ॻࠐΈσʔλΛೖྗ͠·͢ɻ
γϦΞϧσʔλग़ྗ୺ࢠ
2
SO _{γϦΞϧσʔλͷग़ྗ୺ࢠͰ͢ɻFRAM ϝϞϦηϧΞϨΠͷಡग़͠σʔλ , εςʔλεϨδε}
λͷσʔλ͕ग़ྗ͞Ε·͢ɻελϯόΠ࣌͸ High-Z Ͱ͢ɻ
8
VDD _{ిݯిѹ୺à¢} 
4
GND _{άϥϯυ୺à¢} 
2
DS501-00014-6v0-J