MPC8349VVAGF View Datasheet(PDF) - Freescale Semiconductor

Part Name

Description

MFG CO.

MPC8349VVAGF

PowerQUICC™ II Pro Integrated Host Processor Hardware Specifications

Freescale Semiconductor 

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RESET Initialization

5 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.

Table 8. RESET Pins DC Electrical Characteristics1

Characteristic

Symbol

Condition

Input high voltage

VIH

Input low voltage

VIL

Input current

Output high voltage2

IIN

VOH

IOH = –8.0 mA

Output low voltage

VOL

IOL = 8.0 mA

Output low voltage

VOL

IOL = 3.2 mA

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.

Min

2.0

–0.3

2.4

—

—

Max

OVDD + 0.3

0.8

±5

—

0.5

0.4

Unit

V

V

μA

V

V

V

5.2 RESET AC Electrical Characteristics

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

Table 9. RESET Initialization Timing Specifications

Parameter/Condition

Min

Required assertion time of HRESET or SRESET (input) to

32

activate reset flow

Required assertion time of PORESET with stable clock applied

32

to CLKIN when the MPC8349E is in PCI host mode

Required assertion time of PORESET with stable clock applied

32

to PCI_SYNC_IN when the MPC8349E is in PCI agent mode

HRESET/SRESET assertion (output)

512

HRESET negation to SRESET negation (output)

16

Input setup time for POR configuration signals

4

(CFG_RESET_SOURCE[0:2] and CFG_CLKIN_DIV) with

respect to negation of PORESET when the MPC8349E is in PCI

host mode

Input setup time for POR configuration signals

4

(CFG_RESET_SOURCE[0:2] and CFG_CLKIN_DIV) with

respect to negation of PORESET when the MPC8349E is in PCI

agent mode

Max

—

—

—

—

—

—

Unit

tPCI_SYNC_IN

tCLKIN

tPCI_SYNC_IN

tPCI_SYNC_IN

tPCI_SYNC_IN

tCLKIN

—

tPCI_SYNC_IN

Notes

1

2

1

1

1

2

1

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

Freescale Semiconductor

13

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