AM3359, AM3358, AM3357, AM3356, AM3354, AM3352
SPRS717H – OCTOBER 2011 – REVISED MAY 2015
Table 7-79. Switching Characteristics for McASP
(see
OPP100
OPP50
NO.
PARAMETER
UNIT
MIN
MAX
MIN
MAX
Cycle time, McASP[x]_AHCLKR and
9
t
c(AHCLKRX)
40
ns
McASP[x]_AHCLKX
Pulse duration, McASP[x]_AHCLKR and
10
t
w(AHCLKRX)
0.5P – 2.5
0.5P – 2.5
ns
McASP[x]_AHCLKX high or low
Cycle time, McASP[x]_ACLKR and
11
t
c(ACLKRX)
20
40
ns
McASP[x]_ACLKX
Pulse duration, McASP[x]_ACLKR and
12
t
w(ACLKRX)
0.5P – 2.5
0.5P – 2.5
ns
McASP[x]_ACLKX high or low
ACLKR and
Delay time, McASP[x]_ACLKR and
0
6
0
6
ACLKX int
McASP[x]_ACLKX transmit edge to
McASP[x]_AFSR and
ACLKR and
2
13.5
2
18
McASP[x]_AFSX output valid
ACLKX ext in
13
t
d(ACLKRX-AFSRX)
ns
Delay time, McASP[x]_ACLKR and
McASP[x]_ACLKX transmit edge to
ACLKR and
McASP[x]_AFSR and
ACLKX ext
2
13.5
2
18
McASP[x]_AFSX output valid with
out
Pad Loopback
Delay time, McASP[x]_ACLKX
ACLKX int
0
6
0
6
transmit edge to McASP[x]_AXR
ACLKX ext in
2
13.5
2
18
output valid
14
t
d(ACLKX-AXR)
ns
Delay time, McASP[x]_ACLKX
ACLKX ext
transmit edge to McASP[x]_AXR
2
13.5
2
18
out
output valid with Pad Loopback
Disable time, McASP[x]_ACLKX
ACLKX int
0
6
0
6
transmit edge to McASP[x]_AXR
ACLKX ext in
2
13.5
2
18
output high impedance
15
t
dis(ACLKX-AXR)
ns
Disable time, McASP[x]_ACLKX
transmit edge to McASP[x]_AXR
ACLKX ext
2
13.5
2
18
output high impedance with pad
out
loopback
(1) ACLKR internal: ACLKRCTL.CLKRM = 1, PDIR.ACLKR = 1
ACLKR external input: ACLKRCTL.CLKRM = 0, PDIR.ACLKR = 0
ACLKR external output: ACLKRCTL.CLKRM = 0, PDIR.ACLKR = 1
ACLKX internal: ACLKXCTL.CLKXM = 1, PDIR.ACLKX = 1
ACLKX external input: ACLKXCTL.CLKXM = 0, PDIR.ACLKX = 0
ACLKX external output: ACLKXCTL.CLKXM = 0, PDIR.ACLKX = 1
(2) 50 MHz
(3) P = AHCLKR and AHCLKX period.
Copyright © 2011–2015, Texas Instruments Incorporated
Peripheral Information and Timings
213
Product Folder Links: