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TMS32020
SPRS010B — MAY 1987 — REVISED NOVEMBER 1990
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001
51
HOLD timing (part B)
CLKOUT1
CLKOUT2
STRB
HOLD
A15-A0
PS
, DS,
or IS
R/W
D15-D0
HOLDA
FETCH
EXECUTE
t
d(C2H-H)
†
In In
N + 2 N + 3
Valid Valid
N/A N /A N + 2 N + 3
Dead Dead N + 1 N + 2
t
en(A-C1L)
t
d(HH-AH)
†
HOLD
is an asynchronous input and can occur at any time during a clock cycle. If the specified timing is met, the exact sequence shown will occur;
otherwise, a delay of one CLKOUT2 cycle will occur.
ADVANCE INFORMATION