TMC2072_07 SMSC [SMSC Corporation], TMC2072_07 Datasheet - Page 19
TMC2072_07
Manufacturer Part Number
TMC2072_07
Description
Manufacturer
SMSC [SMSC Corporation]
Datasheet
1.TMC2072_07.pdf
(106 pages)
- Current page: 19 of 106
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Peripheral Mode CircLink™ Controller
Datasheet
1.5.3
NOTE:
SMSC TMC2072
Write Signal
Write Signal
Write Timing Selection
(nEHWR: Pin)
In Peripheral mode, this pin selects the write timing.
[ Example: nMUX=H,nEHWR=H ]
Tie to Hi for CPU’s where nCS goes Hi before the write signal goes Hi.
[ Example: nMUX=H,nEHWR=L ]
Tie to Low for CPUs where nCS goes Hi after the write signal goes Hi.
The write signal differs depending on the CPU types.
nRWM = H: nDS signal at DIR = L
nRWM = L: nWR signal
Refer to the AC timing specifications (in another document) for details (setup time, hold time, etc.).
Compare timing specifications for nEHWR=L and nEHWR=H.
nCS
nCS
DATASHEET
Page 19
Revision 0.1 (06-07-07)
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