PXS30 Datasheet, PDF (126/139 Pages) Freescale Semiconductor, Inc – PXS30 Microcontroller

Electrical characteristics
MDC (output)
MDIO (output)
14
15
10
11
MDIO (input)
12
13
Figure 54. MII serial management channel timing diagram
3.22.9 External Bus Interface (EBI) timing
Table 73. EBI timing
No. Symbol
Parameter
45 MHz (Ext. Bus Freq)¹
Unit
Min
Max
Notes
1
t_C CC D_CLKOUT period
2 t_CDC CC D_CLKOUT duty cycle
3 t_CRT CC D_CLKOUT rise time
4 t_CFT CC D_CLKOUT fall time
5 t_COH CC D_CLKOUT posedge to output
signal invalid or high Z (hold time)
22.2
45%
—
—
1.0
—
55%
—
—
—
ns Signals are measured
at 50% V_DDE.
t_C
—
ns
—
ns
—
ns
—
D_ADD[9:30]
D_BDIP
D_CS[0:3]
D_DAT[0:15]
D_OE
D_RD_WR
D_TA
D_TS
D_WE[0:3]/D_BE[0:3]
PXS30 Microcontroller Data Sheet, Rev. 1
126
Preliminary—Subject to Change Without Notice
Freescale Semiconductor