MPC8315CVRADDA datasheet(89/106 Pages) FREESCALE

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MPC8315E PowerQUICC II Pro Processor Hardware Specifications, Rev. 2

Freescale Semiconductor

Package and Pin Listings

VSS1IO

M24, N24, P19, P20, P25, P27, R25, R27,

T24

I—

—

XCOREVDD

P2, P10, R2, T1

—

XCOREVSS

R3, R10, U2, V2

—

XPADVDD

P3, R9, U3

—

XPADVSS

P5, P9, V3

—

Note:

1. This pin is an open drain signal. A weak pull-up resistor (1 k

) should be placed on this pin to NVDD.

2. This pin is an open drain signal. A weak pull-up resistor (2–10 k

) should be placed on this pin to NVDD.

3. This output is actively driven during reset rather than being three-stated during reset.

4. These JTAG pins have weak internal pull-up P-FETs that are always enabled.

5. This pin should have a weak pull up if the chip is in PCI host mode. Follow PCI specifications recommendation.

6. This pin must always be tied to VSS.

7. Thermal sensitive resistor.

8. This pin should be

connected to USB_VSSA_BIAS through 10K precision resistor.

9. The LB_POR_CFG_BOOT_ECC functionality for this pin is only available in MPC8315E revision 1.1 and later. The

LB_POR_CFG_BOOT_ECC is sampled only during the PORESET negation. This pin with an internal pull down resistor enables

the ECC by default. To disable the ECC an external strong pull up resistor or a tristate buffer is needed.

10.This pin should be connected to an external 2.7 K ±1% resistor connected to VSS. The resistor should be placed as close as

possible to the input.

11.This pin has a weak internal pull-down.

12.This pin has a weak internal pull-up.

Table 70. MPC8315E TEPBGA II Pinout Listing (continued)

Signal

Package Pin Number

Pin Type

Power

Supply

Note

MPC8315CVRADDA 数据表(PDF) 89 Page - Freescale Semiconductor, Inc

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