ꢀ ꢁ ꢂ ꢃ ꢄꢅ ꢆꢇ ꢈꢉꢄ ꢅ
ꢊ ꢋ ꢌꢍ ꢎꢏꢐ ꢑꢋ ꢒ ꢀ ꢎ ꢋ ꢓꢋ ꢀꢔꢕ ꢂ ꢋ ꢓꢒ ꢔꢕ ꢐ ꢖꢑ ꢇꢍꢂ ꢂꢑ ꢖ
SPRS080F − MARCH 1999 − REVISED OCTOBER 2008
multichannel buffered serial port timing (continued)
t
t
t
c(BCKRX)
w(BCKRXH)
w(BCKRXL)
t
r(BCKRX)
BCLKR
BFSR (int)
BFSR (ext)
t
d(BCKRH−BFRV)
t
d(BCKRH−BFRV)
t
r(BCKRX)
tsu(BFRH−BCKRL)
t
h(BCKRL−BFRH)
t
h(BCKRL−BDRV)
(n−2)
t
su(BDRV−BCKRL)
t
BDR
Bit (n−1)
(n−3)
(n−4)
(n−3)
(RDATDLY=00b)
su(BDRV−BCKRL)
t
h(BCKRL−BDRV)
(n−2)
BDR
(RDATDLY=01b)
Bit (n−1)
t
t
su(BDRV−BCKRL)
h(BCKRL−BDRV)
(n−2)
BDR
(RDATDLY=10b)
Bit (n−1)
Figure 28. McBSP Receive Timings
t
t
c(BCKRX)
w(BCKRXH)
t
r(BCKRX)
t
f(BCKRX)
t
w(BCKRXL)
BCLKX
BFSX (int)
BFSX (ext)
t
d(BCKXH−BFXV)
t
d(BCKXH−BFXV)
t
su(BFXH−BCKXL)
t
h(BCKXL−BFXH)
t
d(BDFXH−BDXV)
Bit (n−1)
t
t
t
d(BCKXH−BDXV)
(n−3)
e(BDFXH−BDX)
BDX
Bit 0
(n−2)
(n−4)
(n−3)
(n−2)
(XDATDLY=00b)
d(BCKXH−BDXV)
(n−2)
t
e(BCKXH−BDX)
Bit (n−1)
BDX
(XDATDLY=01b)
Bit 0
t
d(BCKXH−BDXV)
Bit (n−1)
t
dis(BCKXH−BDXHZ)
Bit 0
t
e(BCKXH−BDX)
BDX
(XDATDLY=10b)
Figure 29. McBSP Transmit Timings
62
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