29C516E Просмотр технического описания (PDF) - Atmel Corporation

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29C516E

16–Bit Flow–Through EDAC Error Detection And Correction unit

Atmel Corporation 

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. E (03 2007)

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