MPC8245 datasheet(4/20 Pages) FREESCALE

4 / 20 page

MPC8245 Part Number Specification for the MPC8245ARZUnnnX Series, Rev. 2

Freescale Semiconductor

General Parameters

4.1.5

Power Characteristics

The AC electrical characteristics and AC timing for the parts described in this document are unaffected, and comply

with the MPC8245 Integrated Processor Hardware Specifications. Table 5 provides the power consumption for the

MPC8245 part numbers described herein.

Table 5. Power Consumption

Mode

PCI Bus Clock/Memory Bus Clock

CPU Clock Frequency (MHz)

Unit

Notes

66/133/399

66/133/466

Typical

2.8

3.2

1, 5

Max—CFP

3.3

3.6

1, 2

Max—INT

2.8

3.1

1, 3

Doze

1.9

2.1

1, 4, 6

Nap

0.7

0.8

1, 4, 6

Sleep

0.4

1, 4, 6

I/O Power Supplies10

Mode

Range

Unit

Notes

Typ—OVDD

140–360

7, 8

Typ—GVDD

340–920

340–930

7, 9

Notes:

The values include VDD, AVDD, and AVDD2, but do not include I/O supply power.

Maximum—FP power is measured at VDD = 2.1 V with dynamic power management enabled while running an entirely

cache-resident, looping, floating point multiplication instruction.

Maximum—INT power is measured at VDD = 2.1 V with dynamic power management enabled while running entirely

cache-resident, looping, integer instructions.

Power saving mode maximums are measured at VDD = 2.1 V while the device is in doze, nap, or sleep mode.

Typical power is measured at VDD = AVDD = 2.1 V, OVDD = 3.3 V where a nominal FP value, a nominal INT value, and a

value where there is a continuous flush of cache lines with alternating ones and zeros on 64-bit boundaries to local memory

are averaged.

Power saving mode data measured with only two PCI_CLKs and two SDRAM_CLKs enabled.

The typical minimum I/O power values was the result of the MPC8245 performing cache resident integer operations at the

slowest frequency combination of 33:66:200 (PCI:Mem:CPU) MHz.

The typical maximum OVDD value resulted from the MPC8245 operating at the fastest frequency combination of

66:133:399 (PCI:Mem:CPU) MHz for the 400-MHz part, 66:133:466 (PCI:Mem:CPU) MHz for the 466-MHz part, and

performing continuous flushes of cache lines with alternating ones and zeros to PCI memory.

The typical maximum GVDD value resulted from the MPC8245 operating at the fastest frequency combination of

66:133:399 (PCI:Mem:CPU) MHz for the 400-MHz part, 66:133:466 (PCI:Mem:CPU) MHz for the 466-MHz part, and

performing continuous flushes of cache lines with alternating ones and zeros on 64-bit boundaries to local memory.

10. Power consumption of PLL supply pins (AVDD and AVDD2) < 15 mW that the design guarantees but were not tested.

MPC8245 数据表(PDF) 4 Page - Freescale Semiconductor, Inc

MPC8245 数据表(HTML) 4 Page - Freescale Semiconductor, Inc

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

数据表下载

链接网址

MPC8245 数据表(PDF) 4 Page - Freescale Semiconductor, Inc

MPC8245 数据表(HTML) 4 Page - Freescale Semiconductor, Inc

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

数据表 下载

链接网址

数据表下载