Datasheet

MPC8308 PowerQUICC II Pro Processor Hardware Specification, Rev. 3
4 Freescale Semiconductor
Electrical Characteristics
Table 2. Recommended Operating Conditions
Characteristic Symbol Recommended Value
1
1
GV
DD
, NV
DD
, AV
DD
, and V
DD
must track each other and must vary in the same direction—either in the positive or negative
direction.
Unit
SerDes internal digital power XCOREV
DD
1.0 V ± 50 mV V
SerDes internal digital power XCOREV
SS
0.0 V
SerDes I/O digital power XPADV
DD
1.0 V ± 50 mV V
SerDes analog power for PLL SDAV
DD
1.0 V ± 50 mV V
SerDes analog power for PLL SDAV
SS
0V
SerDes I/O digital power XPADV
SS
0V
Core supply voltage V
DD
1.0V±50mV V
Analog supply for e300 core APLL
2
2
This voltage is the input to the filter discussed in Section 23.2, “PLL Power Supply Filtering,” and not necessarily the voltage
at the AV
DD
pin, which may be reduced from V
DD
by the filter.
AV
DD1
1.0V±50mV V
Analog supply for system APLL
2
AV
DD2
1.0V±50mV V
DDR2 DRAM I/O voltage GV
DD
1.8 V ± 100 mV V
Differential reference voltage for DDR controller MV
REF
GVDD/2 (0.49  GV
DD
to
0.51  GV
DD
)
V
Standard I/O voltage (Local bus, DUART, system control and power
management, eSDHC, USB, I
2
C, Interrupt, Ethernet management,
SPI, Miscellaneous and JTAG I/O voltage)
3
3
NV
DD
here refers to NV
DDA
, NV
DDB
,NV
DDG
, NV
DDH
, NV
DDJ
and NV
DDP_K
from the ball map.
NV
DD
3.3 V ± 300 mV V
eTSEC IO supply
4,5
4
The max value of supply voltage should be selected based on the RGMII mode. The lower range applies to RGMII mode.
5
LV
DD1
here refers to NV
DDC
and LV
DD2
refers to NV
DDF
from the ball map.
LV
DD1
, LV
DD2
2.5 V ± 125 mV
3.3 V ± 300 mV
V
Analog and digital ground V
SS
0.0 V
Operating temperature range
6
6
Minimum temperature is specified with T
A
; Maximum temperature is specified with T
J.
T
A
/T
J
Standard = 0 to 105
Extended = -40 to 105
C
Notes: