OMAP3503DCBBA Datasheet, PDF (209/264 Pages) Texas Instruments – OMAP3515 and OMAP3503 Applications Processors

OMAP3515, OMAP3503
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SPRS505H – FEBRUARY 2008 – REVISED OCTOBER 2013
mcbspx_clkx
mcbspx_fsx
mcbspx_dx
B5
B6
B8
D7
D6
Figure 6-40. McBSP Falling Edge Transmit Timing in Slave Mode
D5
030-075
6.6.1.2 McBSP in TDM—Multipoint Mode (McBSP3)
For TDM application in multipoint mode, OMAP3515/03 is considered as a slave. Table 6-69 and Table 6-
70 assume testing over the operating conditions and electrical characteristic conditions described below.
Table 6-68. McBSP3 Timing Conditions—TDM in Multipoint Mode
TIMING CONDITION PARAMETER
Input Conditions
t_R
Input signal rising time
t_F
Input signal falling time
Output Conditions
C_LOAD
Output Load Capacitance
VALUE
MIN
MAX
1.0
8.5
1.0
8.5
40
UNIT
ns
ns
pF
Table 6-69. McBSP3 Timing Requirements—TDM in Multipoint Mode⁽¹⁾
NO.
PARAMETER
1.15 V
MIN
MAX
B3 ⁽³⁾
B4 ⁽³⁾
B5 ⁽³⁾
B6 ⁽³⁾
t_W(CLKH)
t_W(CLKH)
t_W(CLKL)
t_dc(CLK)
t_{su(DRV-CLKAE)}
t_h(CLKAE-DRV)
t_{su(FSV-CLKAE)}
t_h(CLKAE-FSV)
Cycle Time, mcbsp3_clkx
Typical Pulse duration, mcbsp3_clkx high
Typical Pulse duration, mcbsp3_clkx low
Duty cycle error, mcbsp3_clkx
Setup time, mcbsp3_dr valid before
mcbsp3_clkx active edge
Hold time, mcbsp3_dr valid after mcbsp3_clkx
active edge
Setup time, mcbsp3_fsx valid before
mcbsp3_clkx active edge
Hold time, mcbsp3_fsx valid after
mcbsp3_clkx active edge
162.8
0.5*P ⁽²⁾
0.5*P ⁽²⁾
–8.14
8.14
9
2.4
9
2.4
(1) For McBSP3, these timings concern only Set #3 (multiplexing mode in McBSP1 pins).
(2) P = mcbsp3_clkx period in ns
(3) See Section 6.6.1.1, McBSP in Normal Mode for corresponding figures.
1.0 V
MIN
MAX
162.8
0.5*P ⁽²⁾
0.5*P ⁽²⁾
–8.14
8.14
9
2.4
9
2.4
Table 6-70. McBSP3 Switching Characteristics—TDM in Multipoint Mode⁽¹⁾
NO.
PARAMETER
1.15 V
B8 ⁽²⁾
t_{d(CLKXAE-DXV)} Delay time, mcbsp3_clkx active edge to
mcbsp3_dx valid
MIN
MAX
0.6
16.8
(1) For McBSP3, these timings concern only Set #3 (multiplexing mode in McBSP1 pins).
(2) See Section 6.6.1.1, McBSP in Normal Mode for corresponding figures.
1.0 V
MIN
MAX
0.6
29.6
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
UNIT
ns
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TIMING REQUIREMENTS AND SWITCHING CHARACTERISTICS 209
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