mpc880 Freescale Semiconductor, Inc, mpc880 Datasheet - Page 11

• Manufacturer Part Number: mpc880
• Description: Mpc885 Powerquicc Integrated Communications Processor
• Manufacturer: Freescale Semiconductor, Inc

5
Table 5
equal, and 2:1, where CPU frequency is twice bus speed.
6
Table 6
Freescale Semiconductor
Operating voltage
Input high voltage (all inputs except EXTAL and EXTCLK)
Input low voltage
EXTAL, EXTCLK input high voltage
Input leakage current, Vin = 5.5 V (except TMS, TRST, DSCK and DSDI
pins) for 5-V tolerant pins
Input leakage current, V
Input leakage current, V
pins)
Input capacitance
Power Dissipation
DC Characteristics
provides information on power dissipation. The modes are 1:1, where CPU and bus speeds are
provides the DC electrical characteristics for the MPC885/MPC880.
1
2
3
Typical power dissipation at V
Maximum power dissipation at V
The values in
include I/O power dissipation over V
widely by application due to buffer current, depending on external circuitry.
The V
4
Die Revision
in
in
0
DDSYN
2
= V
= 0 V (except TMS, TRST, DSCK and DSDI
MPC885/MPC880 PowerQUICC™ Hardware Specifications, Rev. 4
Characteristic
DDH
(except TMS, TRST, DSCK, and DSDI)
power dissipation is negligible.
Table 5
Bus Mode
Table 6. DC Electrical Specifications
1:1
2:1
represent V
Table 5. Power Dissipation (P
DDL
DDL
= V
= V
Frequency
DDSYN
133 MHz
66 MHz
80 MHz
DDSYN
CPU
2
DDL
NOTE
= 1.8 V, and V
DDH
-based power dissipation and do not
= 1.9 V, and V
. I/O power dissipation varies
Typical
310
350
430
between V
DDH
and V
V
V
Difference
DDL
V
DDH
Symbol
D
DDH
1
DDSYN
)
V
is at 3.3 V.
V
V
C
I
I
I
IHC
in
In
In
DDSYN
(core)
IH
IL
in
is at 3.5 V.
(I/O)
Maximum
1
DDL
390
430
495
0.7*(V
3.135
2
GND
Min
1.7
1.7
2.0
—
—
—
—
—
DDH
Unit
mW
mW
mW
)
Power Dissipation
3.465
3.465
V
Max
100
100
1.9
1.9
0.8
10
10
20
DDH
Unit
mV
µA
µA
µA
pF
V
V
V
V
V
V
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