Local Bus
Figure 18 and Figure 19 provide the AC test load and signals for the USB, respectively.
OVDD/2
Output
Z0 = 50 Ω
RL = 50 Ω
Figure 18. USB AC Test Load
USB0_CLK/USB1_CLK/DR_CLK
Input Signals
tUSIXKH
tUSIVKH
tUSKHOX
tUSKHOV
Output Signals:
Figure 19. USB Signals
10 Local Bus
This section describes the DC and AC electrical specifications for the local bus interface of the
MPC8347EA.
10.1 Local Bus DC Electrical Characteristics
Table 37 provides the DC electrical characteristics for the local bus interface.
Table 37. Local Bus DC Electrical Characteristics
Parameter
Symbol
Min
Max
Unit
High-level input voltage
Low-level input voltage
Input current
VIH
VIL
2
–0.3
OVDD + 0.3
V
V
0.8
5
IIN
—
μA
V
High-level output voltage, IOH = –100 μA
Low-level output voltage, IOL = 100 μA
VOH
VOL
OVDD – 0.2
—
—
0.2
V
MPC8347EA PowerQUICC II Pro Integrated Host Processor Hardware Specifications, Rev. 12
Freescale Semiconductor
36
FREESCALE [ Freescale ]
