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Chapter 4
Settings for I/O
■ Bank select input
The bank is selected in combinations of the bank select input signals (BANK_SEL1 to
3).
Bank select input 1
(BANK_SEL1)
OFF
ON
OFF
ON
OFF
ON
OFF
ON
• Bank switching is begun 0.2 seconds after the input state changes.
• At most it takes about 100 ms to switch banks.
• During bank switching the BUSY output becomes ON.
• If the bank mode is set to "Judgment value [JUDGE]", the bank cannot be switched at the external
signal input because the number of banks increases to 32.
■ Bank number output
The currently selected bank number is output. The output bank number is according to
the combination of the bank number output signals (BANK_OUT1 to 3).
Bank number
output 1
(BANK_OUT1)
OFF
ON
OFF
ON
OFF
ON
OFF
ON
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4-32
User's Manual
Bank select input 2
Bank select input 3
(BANK_SEL2)
OFF
OFF
OFF
OFF
ON
OFF
ON
OFF
OFF
ON
OFF
ON
ON
ON
ON
ON
Bank number
output 2
(BANK_OUT2)
OFF
OFF
OFF
OFF
ON
OFF
ON
OFF
OFF
ON
OFF
ON
ON
ON
ON
ON
Selected bank
(BANK_SEL3)
BANK1
BANK2
BANK3
BANK4
BANK5
BANK6
BANK7
BANK8
Bank number
output 3
Output bank
(BANK_OUT3)
BANK1
BANK2
BANK3
BANK4
BANK5
BANK6
BANK7
BANK8
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