Datasheet

AM3517, AM3505
www.ti.com SPRS550E –OCTOBER 2009–REVISED MARCH 2013
Table 6-62. McBSP3 (Set #1) Switching Characteristics - Falling Edge and Receive Mode
No. PARAMETER VDDSHV = 3.3V VDDSHV = 1.8V UNIT
MIN MAX MIN MAX
B2 td(CLKXAE- Delay time, mcbsp3_clkx active 0.2 22.2 0.2 22.2 ns
FSXV) edge to mcbsp3_fsx valid
Table 6-63. McBSP3 (Set #1) Timing Requirements - Falling Edge and Transmit Mode
No. PARAMETER VDDSHV = 3.3V VDDSHV = 1.8V UNIT
MIN MAX MIN MAX
B5 tsu(FSXV- Setup time, Half Cycle 5.2 5.2 ns
CLKXAE) mcbsp3_fsx Slave
valid before
Full Cycle 4.2 4.2 ns
mcbsp3_clkx
Slave
active edge
B6 th(CLKXAE- Hold time, Half Cycle 5.2 5.2 ns
FSXV) mcbsp3_fsx Slave
valid after
Full Cycle 1.0 1.0 ns
mcbsp3_clkx
Slave
active edge
Table 6-64. McBSP3 (Set #1) 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, mcbsp3_clkx active 0.2 22.2 0.2 22.2 ns
FSXV) edge to mcbsp3_fsx valid
B8 td(CLKXAE- Delay time, Master 0.6 22.2 0.6 22.2 ns
DXV) mcbsp3_clkx
Slave 0.6 22.2 0.6 22.2 ns
active edge to
mcbsp3_dx
valid
6.6.1.1.3.2 McBSP3 Multiplexed on UART2 or McBSP1 Pins
The following tables show the timing conditions and switching characteristics for McBSP3 multiplexed on
UART2 or McBSP1 pins.
Note: These timings only apply to Set #2 (multiplexing mode on uart2 pins) and Set #3 (multiplexing on
mcbsp1 pins).
Table 6-65. McBSP3 (Sets #2 and #3) Timing Requirements - Rising Edge and Receive Mode
No. PARAMETER VDDSHV = 3.3V VDDSHV = 1.8V UNIT
MIN MAX MIN MAX
B3 tsu(DRV- Setup time, Half Cycle 5.0 5.0 ns
CLKXAE) mcbsp3_dr Master
valid before
Half Cycle 5.2 5.2 ns
mcbsp3_clkx
Slave
active edge
Full Cycle 4.2 4.2 ns
Master
Full Cycle 4.2 4.2 ns
Slave
B4 th(CLKXAE- Hold time, Half Cycle 5.8 5.8 ns
DRV) mcbsp3_dr Master
valid after
Half Cycle 5.2 5.2 ns
mcbsp3_clkx
Slave
active edge
Full Cycle 1.5 1.5 ns
Master
Full Cycle 0.9 0.9 ns
Slave
Copyright © 2009–2013, Texas Instruments Incorporated Timing Requirements and Switching Characteristics 163
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