mpc8544e Freescale Semiconductor, Inc, mpc8544e Datasheet - Page 11

• Manufacturer Part Number: mpc8544e
• Description: Mpc8544e Powerquicc Iii Integrated Processor
• Manufacturer: Freescale Semiconductor, Inc

Figure 2
The core voltage must always be provided at nominal 1.0 V (see
voltage). Voltage to the processor interface I/Os are provided through separate sets of supply pins and must
be provided at the voltages shown in
associated I/O supply voltage. OV
appropriate LVCMOS type specifications. The DDR2 SDRAM interface uses a single-ended differential
receiver referenced the externally supplied MV
the SSTL2 electrical signaling standard.
Freescale Semiconductor
shows the undershoot and overshoot voltages at the interfaces of the MPC8544E.
V
Notes:
Figure 2. Overshoot/Undershoot Voltage for GV
MPC8544E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 4
IH
1. t
2. Please note that with the PCI overshoot allowed (as specified above), the device
does not fully comply with the maximum AC ratings and device protection
guideline outlined in Section 4.2.2.3 of the PCI 2.2 Local Bus Specifications.
CLOCK
For I
For DDR, t
For eTSEC, t
For LBIU, t
For PCI, t
V
B/G/L/OV
IL
B/G/L/OV
2
C and JTAG, t
refers to the clock period associated with the respective interface:
GND – 0.3 V
GND – 0.7 V
B/G/L/OV
CLOCK
CLOCK
CLOCK
DD
DD
CLOCK
+ 20%
Preliminary—Subject to Change Without Notice
+ 5%
GND
DD
references PCI_CLK or SYSCLK.
references MCLK.
references LCLK.
DD
CLOCK
references EC_GTX_CLK125.
Table
and LV
Freescale Confidential Proprietary
references SYSCLK.
2. The input voltage threshold scales with respect to the
DD
REF
based receivers are simple CMOS I/O circuits and satisfy
signal (nominally set to GV
Not to Exceed 10%
of t
CLOCK
DD
Table 2
/OV
1
DD
/LV
for actual recommended core
DD
/BV
DD
DD
/2) as is appropriate for
/TV
Electrical Characteristics
DD
11