Adv ance informa t ion, Rs, int, bio, and xf timing, Hold timing – Texas Instruments TMS320 User Manual
Page 40: Serial port timing
PARAMETER
UNIT
PARAMETER
UNIT
PARAMETER
UNIT
PARAMETER
UNIT
TMS320C25 50
SPRS010B — MAY 1987 — REVISED NOVEMBER 1990
POST OFFICE BOX 1443
HOUSTON, TEXAS 77001
40
memory and peripheral interface timing
TMS320C25
TMS320C25-50
MIN
TYP
MAX
MIN
TYP
MAX
t
d(C1-S)
Q -- 6
Q
Q+6
Q -- 5
Q + 3
ns
t
d(C2-S)
-- 6
0
6
-- 2
5
ns
t
su(A)
Q -- 12
Q -- 11
ns
t
h(A)
Q -- 8
Q -- 4
ns
t
w(SL)
2Q
2Q -- 5
2Q + 2
ns
t
w(SH)
2Q
2Q -- 2
2Q + 5
ns
t
su(D)W
2Q -- 20
2Q -- 17
ns
t
h(D)W
Q -- 10
Q
Q -- 5
ns
t
d(MSC)
-- 12
0
12
--1
9
ns
t
a(A)
3Q -- 35
3Q -- 30
ns
t
su(D)R
23
19
ns
t
h(D)R
0
0
ns
t
d(SL-R)
Q -- 20
Q -- 21
ns
t
d(C2H-R)
Q -- 20
Q -- 21
ns
t
h(SL-R)
Q + 3
Q -- 1
ns
t
h(C2H-R)
Q + 3
Q -- 1
ns
t
d(M-R)
2Q -- 25
2Q -- 24
ns
t
h(M-R)
0
0
ns
RS, INT, BIO, and XF timing
TMS320C25
TMS320C25-50
MIN
TYP
MAX
MIN
TYP
MAX
t
d(IACK)
-- 6
0
12
-- 5
7
ns
t
d(XF)
Q -- 15
Q -- 8
ns
t
su(IN)
32
25
ns
t
h(IN)
0
0
ns
HOLD timing
TMS320C25
TMS320C25-50
MIN
TYP
MAX
MIN
TYP
MAX
t
d(C1L-AL)
0
10
1
11
ns
t
d(HH-AH)
25
19
ns
t
d(C2H-H)
Q -- 24
Q -- 19
ns
serial port timing
TMS320C25
TMS320C25-50
MIN
TYP
MAX
MIN
TYP
MAX
t
d(CH-DX)
75
70
ns
t
d(FL-DX)
40
40
ns
t
d(CH-FS)
40
40
ns
t
su(FS)
18
5
ns
t
h(FS)
20
10
ns
t
su(DR)
10
5
ns
t
h(DR)
20
10
ns
ADV
ANCE
INFORMA
T
ION