MPC5645S datasheet(129/146 Pages) FREESCALE

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Qorivva MPC5645S Microcontroller Data Sheet, Rev. 8

Freescale Semiconductor

129

Figure 46. QuadSPI clock profile

4.18.13 TCON/RSDS timing

The following notes apply to Table 72:

•

Measurement condition: vdde/vdd33 = 3.3 V ± 10%, vdd = 1.2 V ± 10%, vss/vsse = 0 V, T = –40–140

C

•

Termination: 100

 ± 5%

•

VREFH_RSDS terminations of 47

F

Table 72. TCON/RSDS timing

Symbol

Parameter

Condition

Value

Unit

SpecID

Min

Typ

Max

VOD

C Differential output voltage

RSDS mode

391

—

471

A14.1

VOS

C Common mode voltage

100

 termination between

Pad_p and Pad_n

1.17

—

1.4

A14.2

C Rise time

Transition from 20% to 80%

606

—

844

A14.3

C Fall time

Transition from 20% to 80%

607

—

842

A14.4

tplh

D Propagation delay, low to

high

—

2.65

—

A14.5

tphl

D Propagation delay, high to

low

—

2.47

—

A14.6

tdz

D Start-up time

—

200

—

sA14.7

tskew1 2 3

1 There are eight programmable bits to provide 256 different skew numbers with various combinations of these bits.

2 Default value of all the eight skew options are all “1”.

3 All “0” combination of eight bits is not valid.

C Skew between different

RSDS lines

Max and min skew between

clock and data pads

——

—

A14.8

SCK

VDDE

30%

70%

Note: tr and tf measured at 30% and 70% of VDDE

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