MCF5275 Datasheet, PDF (67/76 Pages) Motorola, Inc – MCF5275 Integrated Microprocessor Family Hardware Specification

Preliminary Electrical Characteristics
Table 58. USB Interface timings.
Num
Characteristic
US7 USB_CLK high to USB_TP, USB_TN, USB_SUSP valid
US8 USB_CLK high to USB_TP, USB_TN, USB_SUSP invalid
Min
Max
Units
—
12
ns
3
—
ns
Figure 21 shows USB interface timings listed in Table 58.
USB_CLK
USB Outputs
US1
US7
US8
USB Inputs
US5
US6
t_rise
Input Rise Time
V_h = V_IH
V_l = V_IL
t_fall
Input Fall Time
V_h = V_IH
V_l = V_IL
Figure 21. USB Signals timing diagram
10.12 I²C Input/Output Timing Specifications
Table 59 lists specifications for the I²C input timing parameters shown in Figure 22.
Table 59. I²C Input Timing Specifications between I2C_SCL and I2C_SDA
Num
Characteristic
I1
Start condition hold time
I2
Clock low period
I3
I2C_SCL/I2C_SDA rise time (V_IL = 0.5 V to V_IH = 2.4 V)
I4
Data hold time
I5
I2C_SCL/I2C_SDA fall time (V_IH = 2.4 V to V_IL = 0.5 V)
Min
2 x t_CYC
8 x t_CYC
—
0
—
Max
—
—
1
—
1
Units
ns
ns
mS
ns
mS
MCF5275 Integrated Microprocessor Family Hardware Specification, Rev. 1.1
Freescale Semiconductor
Preliminary
67