Datasheet

AM3517, AM3505
www.ti.com SPRS550E –OCTOBER 2009–REVISED MARCH 2013
Table 6-88. McBSP5 Switching Characteristics - Falling Edge and Transmit Mode
No. PARAMETER VDDSHV = 3.3V VDDSHV = 1.8V UNIT
MIN MAX MIN MAX
B2 td(CLKXAE- Delay time, 0.2 22.2 0.2 22.2 ns
FSXV) mcbsp5_clkx
active edge to
mcbsp5_fsx
valid
B8 td(CLKXAE- Delay time, Master 0.6 22.2 0.6 22.2 ns
DXV) mcbsp5_clkx
Slave 0.6 22.2 0.6 22.2 ns
active edge to
mcbsp5_dx
valid
6.6.1.1.6 McBSP in TDM Mode
The following tables assume=testing over the recommended operating conditions.
Table 6-89. McBSP Timing Conditions – TDM in Multipoint Mode
PARAMETER DESCRIPTION VDDSHV = 1.8V or 3.3V UNIT
MIN MAX
tr Input signal rise time 1 8.5 ns
tf Input signal fall time 1 8.5 ns
Cload Output load capacitance 40 pf
Table 6-90. McBSP Timing Requirements — TDM in Multipoint Mode
INDEX PARAMETER DESCRIPTION VDDSHV = 1.8V or 3.3V UNIT
MIN MAX
tw(CLKH) Cycle Time, mcbspx_clkx 162.8 ns
tw(CLKH) Typical Pulse duration, mcbspx_clkx high 81.4 ns
tw(CLKL) Typical Pulse duration, mcbspx_clkx low 81.4 ns
tdc(CLK) Duty cycle error, mcbspx_clkx -8.14 8.14 ns
B3 tsu(DRV-CLKAE) Setup time, mcbspx_dr valid before 9 ns
mcbspx_clkx active edge
B4 th(CLKAE-DRV) Hold time, mcbspx_dr valid after mcbspx_clkx 2.4 ns
active edge
B5 tsu(FSV-CLKAE) Setup time, mcbspx_fsx valid before 9 ns
mcbspx_clkx active edge
B6 th(CLKAE-FSV) Hold time, mcbspx_fsx valid after mcbspx_clkx 2.4 ns
active edge
Table 6-91. McBSP Switching Characteristics — TDM in Multipoint Mode
INDEX PARAMETER DESCRIPTION VDDSHV = 1.8V or 3.3V UNIT
MIN MAX
B8 td(CLKXAE-DXV) Delay time, mcbspx_clkx active edge to 0.6 16.8 ns
mcbspx_dx valid
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