Adv ance informa t ion, Hold timing (part a) – Texas Instruments TMS320 User Manual
Page 52
TMS320C25
SPRS010B — MAY 1987 — REVISED NOVEMBER 1990
POST OFFICE BOX 1443
HOUSTON, TEXAS 77001
52
HOLD timing (part A)
CLKOUT1
CLKOUT2
STRB
HOLD
A15-A0
PS, DS,
or IS
R/W
D15-D0
HOLDA
FETCH
EXECUTE
t
d(C2H-H)
†
t
dis(C1L-A)
t
dis(AL-A)
t
d(C1L-AL)
In
In
N
N + 1
N + 2
Valid
Valid
N
N + 1
--
--
N -- 2
N -- 1
N
--
†
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.
ADV
ANCE
INFORMA
T
ION