MPC8349E datasheet(13/88 Pages) FREESCALE

13 / 88 page

MPC8349E PowerQUICC™ II Pro Integrated Host Processor Hardware Specifications, Rev. 10

Freescale Semiconductor

RESET Initialization

This section describes the DC and AC electrical specifications for the reset initialization timing and

electrical requirements of the MPC8349E.

5.1

RESET DC Electrical Characteristics

Table 8 provides the DC electrical characteristics for the RESET pins of the MPC8349E.

5.2

RESET AC Electrical Characteristics

Table 9 provides the reset initialization AC timing specifications of the MPC8349E.

Table 8. RESET Pins DC Electrical Characteristics1

Characteristic

Symbol

Condition

Min

Max

Unit

Input high voltage

VIH

2.0

OVDD +0.3

Input low voltage

VIL

–0.3

0.8

Input current

IIN

±5

μA

Output high voltage2

VOH

IOH = –8.0 mA

2.4

—

Output low voltage

VOL

IOL = 8.0 mA

—

0.5

Output low voltage

VOL

IOL = 3.2 mA

—

0.4

Notes:

1. This table applies for pins PORESET, HRESET, SRESET, and QUIESCE.

2. HRESET and SRESET are open drain pins, thus VOH is not relevant for those pins.

Table 9. RESET Initialization Timing Specifications

Parameter/Condition

Min

Max

Unit

Notes

Required assertion time of HRESET or SRESET (input) to

activate reset flow

—

tPCI_SYNC_IN

Required assertion time of PORESET with stable clock applied

to CLKIN when the MPC8349E is in PCI host mode

—

tCLKIN

Required assertion time of PORESET with stable clock applied

to PCI_SYNC_IN when the MPC8349E is in PCI agent mode

—

tPCI_SYNC_IN

HRESET/SRESET assertion (output)

512

—

tPCI_SYNC_IN

HRESET negation to SRESET negation (output)

—

tPCI_SYNC_IN

Input setup time for POR configuration signals

(CFG_RESET_SOURCE[0:2] and CFG_CLKIN_DIV) with

respect to negation of PORESET when the MPC8349E is in PCI

host mode

4—

tCLKIN

Input setup time for POR configuration signals

(CFG_RESET_SOURCE[0:2] and CFG_CLKIN_DIV) with

respect to negation of PORESET when the MPC8349E is in PCI

agent mode

4—

tPCI_SYNC_IN

MPC8349E Datasheet(PDF) 13 Page - Freescale Semiconductor, Inc

MPC8349E Datasheet(HTML) 13 Page - Freescale Semiconductor, Inc

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