MPC8535ECVTATH datasheet(66/126 Pages) FREESCALE

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MPC8535E PowerQUICC™ III Integrated Processor Hardware Specifications, Rev. 2

enhanced Local Bus Controller (eLBC)

Freescale Semiconductor

Table 50 provides the DC electrical characteristics for the local bus interface operating at BVDD = 1.8 V DC.

2.12.2

Local Bus AC Electrical Specifications

Table 51 describes the general timing parameters of the local bus interface at BVDD = 3.3 V DC. For information about the

frequency range of local bus see Section 2.23.1, “Clock Ranges.”

Table 50. Local Bus DC Electrical Characteristics (1.8 V DC)

Parameter

Symbol

Condition

Min

Max

Unit

Supply voltage 1.8V

BVDD

—

1.71

1.89

High-level input voltage

VIH

—0.65*BVDD

0.3+BVDD

Low-level input voltage

VIL

—

–0.3

0.35*BVDD

Input current

(BVIN

1 = 0 V or BV

IN = BVDD)

IIN

—

-15

μA

High-level output voltage

VOH

IOH = –100 μABVDD – 0.2

—

IOH = –2 mA

BVDD – 0.45

—

Low-level output voltage

VOL

IOH = 100 μA—

0.2

IOH = 2 mA

—

0.45

Note:

1. Note that the symbol BVIN, in this case, represents the BVIN symbol referenced in Table 1.

Table 51. Local Bus General Timing Parameters (BVDD = 3.3 V DC)

Parameter

Symbol 1

Min

Max

Unit

Notes

Local bus cycle time

tLBK

7.5

Local bus duty cycle

tLBKH/tLBK

—

LCLK[n] skew to LCLK[m] or LSYNC_OUT

tLBKSKEW

150

Input setup to local bus clock (except LUPWAIT)

tLBIVKH1

1.8

—

3, 4

LUPWAIT input setup to local bus clock

tLBIVKH2

1.7

—

3, 4

Input hold from local bus clock (except LUPWAIT)

tLBIXKH1

1.0

—

3, 4

LUPWAIT input hold from local bus clock

tLBIXKH2

1.0

—

3, 4

LALE output transition to LAD/LDP output transition (LATCH setup and hold time)

tLBOTOT

1.5

—

Local bus clock to output valid (except LAD/LDP and LALE)

tLBKHOV1

—2.3

—

Local bus clock to data valid for LAD/LDP

tLBKHOV2

—2.4

Local bus clock to address valid for LAD

tLBKHOV3

—2.3

Local bus clock to LALE assertion

tLBKHOV4

—2.3

Output hold from local bus clock (except LAD/LDP and LALE)

tLBKHOX1

0.7

—

MPC8535ECVTATH Datasheet(PDF) 66 Page - Freescale Semiconductor, Inc

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