MMFR-29C516E-31 データシートの表示（PDF） - Atmel Corporation
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MMFR-29C516E-31 Datasheet PDF : 16 Pages
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29C516E
9.3. User to User Transfer
The TRANS pin is driven at a low level to select this
mode. The external arbiter drives the U2/U1 pin and
Table 10:
dispatches the unidirectional commands RD/WRx,
MEMx and ENx.
Function
0
1
x
x
x UD1[0..15] = UD2[0..15]
1
1
x
UD1[0..15] = H.Z
x
x
x
x
0
0
0
0
1
x
x
x UD2[0..15] = UD1[0..15]
0
1
x
UD2[0..15] = H.Z
x
x
x
x
0
0
1 UD2[0..15] = UD1[0..15]
1
1
x UD2[0..15] = Η.Ζ
0
1
x
x
x
x
0
0
1 UD1[0..15] = UD2[0..15]
0
1
x UD1[0..15] = H.Z
x
0
x : don’t care
CERR and NCERR are not valid
CORRECT and SYNCHK are not active
11
Rev. D (09 Dec. 97)
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