MEMCMDQ19 datasheet(9/82 Pages) FREESCALE

Part #	MEMCMDQ19

Description	PowerQUICC II Pro Integrated Communications Processor Family Hardware Specifications

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Manufacturer	FREESCALE [Freescale Semiconductor, Inc]

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MPC8323E PowerQUICC II Pro Integrated Communications Processor Family Hardware Specifications, Rev. 4

Freescale Semiconductor

9

Power Characteristics

Figure 3. MPC8323E Power-Up Sequencing Example

3

Power Characteristics

The estimated typical power dissipation for this family of MPC8323E devices is shown in Table 5.

Table 6 shows the estimated typical I/O power dissipation for the device.

Table 5. MPC8323E Power Dissipation

CSB

Frequency (MHz)

QUICC Engine

Frequency (MHz)

Core

Frequency (MHz)

Typical

Maximum

Unit

Notes

133

200

266

0.74

1.48

W

1, 2, 3

133

200

333

0.78

1.62

W

1, 2, 3

Notes:

1. The values do not include I/O supply power (OVDD and GVDD) or AVDD. For I/O power values, see Table 6.

2. Typical power is based on a nominal voltage of VDD = 1.0 V, ambient temperature, and the core running a Dhrystone

benchmark application. The measurements were taken on the MPC8323MDS evaluation board using WC process silicon.

3. Maximum power is based on a voltage of VDD = 1.07 V, WC process, a junction TJ = 110°C, and an artificial smoke test.

Table 6. Estimated Typical I/O Power Dissipation

Interface

Parameter

GVDD (1.8 V)

GVDD (2.5 V) OVDD (3.3 V) Unit

Comments

DDR I/O

65% utilization

2.5 V

Rs = 20 Ω

Rt = 50 Ω

1 pair of clocks

266 MHz, 1

× 32 bits

0.212

0.367

—

W

—

t

90%

V

Core Voltage (VDD)

I/O Voltage (GVDD and OVDD)

0

0.7 V

PORESET

>= 32 clocks x tSYS_CLK_IN/tPCI_SYNC_IN

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MEMCMDQ19 Datasheet(PDF) 9 Page - Freescale Semiconductor, Inc

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