LMH0324
ZHCSIC8B –APRIL 2016–REVISED JUNE 2018
www.ti.com.cn
tSSOF
SS_N
(host)
tSSOF
tSSSU
tPH
tPL
tSSH
SCK
(host)
tH
—8X1“
—17X1“
tSU
MOSI
(host)
A7 A6 A5 A4 A3 A2 A1 A0
1
tOD
tODZ
tOZD
MISO
(device)
A7' A6' A5' A4' A3' A2' A1' A0' D7' D6' D5' D4' D3' D2' D1' D0'
1
Don‘t Care
Figure 2. SPI Timing Parameters
6.8 Typical Characteristics
Typical device characteristics at TA = 25°C and VIN = VDDIO = 2.5 V, unless otherwise noted.
112 ps/DIV
56 ps/DIV
Figure 3. 2.97 Gbps, Input: 150 m Belden 1694A
PRBS10
Figure 4. 1.485 Gbps, Input: 200 m Belden 1694A
PRBS10
1.0
DE = 0
0.9
0.8
0.7
0.6
0.5
0.4
0
1
2
3
4
5
6
7
617 ps/DIV
VOD Register Settings
C001
Figure 5. 270 Mbps, Input: 400 m Belden 1694A
PRBS10
Figure 6. VOD vs. VOD and DEM Register Settings
10
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