AM1808_1008 Datasheet, PDF (196/264 Pages) Texas Instruments – AM1808 ARM Microprocessor

AM1808
SPRS653A – FEBRUARY 2010 – REVISED APRIL 2010
6.23.2 Management Data Input/Output (MDIO) Electrical Data/Timing
www.ti.com
Table 6-105. Timing Requirements for MDIO Input (see Figure 6-50 and Figure 6-51)
NO.
1 t_c(MDCLK)
2 t_w(MDCLK)
3 t_t(MDCLK)
4 t_{su(MDIO-MDCLKH)}
5 t_{h(MDCLKH-MDIO)}
Cycle time, MDCLK
Pulse duration, MDCLK high/low
Transition time, MDCLK
Setup time, MDIO data input valid before MDCLK high
Hold time, MDIO data input valid after MDCLK high
1.3V, 1.2V, 1.1V, 1.0V
UNIT
MIN
MAX
400
ns
180
ns
5
ns
10
ns
10
ns
MDCLK
1
3
3
4
5
MDIO
(input)
Figure 6-50. MDIO Input Timing
Table 6-106. Switching Characteristics Over Recommended Operating Conditions for MDIO Output
(see Figure 6-51)
NO.
7 t_{d(MDCLKL-MDIO)}
Delay time, MDCLK low to MDIO data output valid
1.3V, 1.2V,
1.1V, 1.0V
MIN MAX
0 100
UNIT
ns
1
MDCLK
7
MDIO
(output)
Figure 6-51. MDIO Output Timing
196 Peripheral Information and Electrical Specifications
Submit Documentation Feedback
Product Folder Link(s): AM1808
Copyright © 2010, Texas Instruments Incorporated