HD6417615 Hitachi Semiconductor, HD6417615 Datasheet - Page 867

• Manufacturer Part Number: HD6417615
• Description: Hardware Manual
• Manufacturer: Hitachi Semiconductor

B.1
Pin Type
Bus control A24–A0
Interrupt
Pin States in Reset, Power-Down State, and Bus-Released State
Pin Name
D31–D0
CS4–CS0
RD/WR
RAS
CAS/OE
WAIT
BS
RD
BGR
BRLS
CKE
DQMUU/WE3
DQMUL/WE2
DQMLU/WE1
DQMLL/WE0
REFOUT
CAS3–CAS0
BH
BUSHiZ
NMI
IRL3–IRL0
IVECF
Appendix B Pin States
Power-
On
Reset
O
Z
H
H
H
H
Z
H
H
H
Z
H
H
H
H
H
L
H
H
Z
I
Z
H
Bus
Acquired
O
IO
O
O
O
O
I
O
O
O
I
O
O
O
O
O
O
O
O
I
I
Z
H
Manual Reset
Bus
Released
Z
Z
Z
Z
Z
Z
Z
Z
Z
O
I
H
Z
Z
Z
Z
O
Z
Z
Z
I
Z
H
Standby
Mode
(HIZ = 0)
Z
Z
H
H
H
H
Z
H
H
H
Z
O
H
H
H
H
L
H
H
Z
I
I
H
Pin State
Power-Down State
Standby
Mode
(HIZ = 1)
Z
Z
H
H
H
H
Z
H
H
H
Z
O
H
H
H
H
Z
H
H
Z
I
I
Z
Sleep
Mode
O
IO
H
H
H
H
I
H
H
O
I
O
H
H
H
H
O
H
H
I
I
I
H
Bus-
Released
State
Z
Z
Z
Z
Z
Z
Ignored
Z
Z
O
I
H
Z
Z
Z
Z
O
Z
Z
Ignored
I
I
H
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