TMS320DM6437_17 Datasheet, PDF (260/306 Pages) Texas Instruments – Digital Media Processor

TMS320DM6437
Digital Media Processor
SPRS345D – NOVEMBER 2006 – REVISED JUNE 2008
www.ti.com
6.15.1.3 McASP0 Electrical Data/Timing
6.15.1.3.1 Multichannel Audio Serial Port (McASP) Timing
Table 6-73. Timing Requirements for McASP (see Figure 6-41 and Figure 6-42)⁽¹⁾
NO.
1 t_c(AHCKRX)
2 t_w(AHCKRX)
3 t_c(CKRX)
4 t_w(CKRX)
5 t_su(FRX-CKRX)
6 t_h(CKRX-FRX)
7 t_su(AXR-CKRX)
8 t_h(CKRX-AXR)
Cycle time, AHCLKR/X
Pulse duration, AHCLKR/X high or low
Cycle time, ACLKR/X
Pulse duration, ACLKR/X high or low
Setup time, AFSR/X input valid before ACLKR/X latches data
Hold time, AFSR/X input valid after ACLKR/X latches data
Setup time, AXR input valid before ACLKR/X latches data
Hold time, AXR input valid after ACLKR/X latches data
ACLKR/X ext
ACLKR/X ext
ACLKR/X int
ACLKR/X ext
ACLKR/X int
ACLKR/X ext input
ACLKR/X ext output
ACLKR/X int
ACLKR/X ext
ACLKR/X int
ACLKR/X ext input
ACLKR/X ext output
-7/-6/-5/-4
-L/-Q6/-Q5/-
Q4
MIN MAX
25
10
25
10
11
3
0
4
6
11
3
3
4
6
(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
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
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
260 Peripheral Information and Electrical Specifications
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