參數(shù)資料
型號: M66221SP
廠商: Mitsubishi Electric Corporation
英文描述: 256 x 9-BIT MAIL-BOX
中文描述: 256 × 9位企業(yè)郵箱
文件頁數(shù): 8/11頁
文件大?。?/td> 119K
代理商: M66221SP
MITSUBISHI
DIGITAL ASSP
M66221SP/FP
256
×
9-BIT MAIL-BOX
8
Write Cycle
Write cycle No. 1 (WE control) See Notes 6, 7 and 8.
Data input determined
A
0
~A
7
CS
WE
I/O
0
~I/O
8
(D
IN
)
t
CW
t
su(CS)
t
w(WE)
OE
I/O
0
~I/O
8
(D
OUT
)
t
su(A-WEH)
t
rec(WE)
t
su(A)
t
su(D)
t
h(D)
t
dis(OE)
Write cycle No. 2 (CS control) See Notes 6, 7 and 8.
A
0
~A
7
CS
WE
I/O
0
~I/O
8
(D
IN
)
I/O
0
~I/O
8
(D
OUT
)
t
dis(WE)
t
CW
t
su(CS)
t
w(WE)
t
su(A-WEH)
t
su(A)
t
su(D)
t
rec(WE)
t
h(D)
t
en(CS)
Data input
determined
Notes 6:
7:
8:
9:
The WE of the port must be set to “H” when an address input changes.
A write operation is performed during the overlap period when both CS and WE are “L”.
Do not apply any negative-phase signal from outside when an I/O pin is in output state.
The shaded part means a state in which a signal can be “H” or “L”.
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