MSP430F6433IPZ datasheet(57/106 Pages) TI1

57 / 106 page

SU,MI

HD,MI

UCLK

SOMI

SIMO

VALID,MO

HD,MO

CKPL =0

CKPL =1

LO/HI

1/f

UCxCLK

MSP430F643x

www.ti.com

SLAS720B – AUGUST 2010 – REVISED AUGUST 2012

USCI (SPI Master Mode)

over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)

(1)

(see Figure 11 and )

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

UNIT

SMCLK, ACLK,

fUSCI

USCI input clock frequency

fSYSTEM

MHz

Duty cycle = 50% ± 10%

1.8 V

PMMCOREV = 0

3 V

tSU,MI

SOMI input data setup time

2.4 V

PMMCOREV = 3

3 V

1.8 V

PMMCOREV = 0

3 V

tHD,MI

SOMI input data hold time

2.4 V

PMMCOREV = 3

3 V

UCLK edge to SIMO valid,

1.8 V

CL = 20 pF,

3 V

PMMCOREV = 0

tVALID,MO

SIMO output data valid time(2)

2.4 V

UCLK edge to SIMO valid,

CL = 20 pF, PMMCOREV = 3

3 V

1.8 V

-10

CL = 20 pF, PMMCOREV = 0

3 V

-8

tHD,MO

SIMO output data hold time(3)

2.4 V

-10

CL = 20 pF, PMMCOREV = 3

3 V

-8

(1)

fUCxCLK = 1/2tLO/HI with tLO/HI ≥ max(tVALID,MO(USCI) + tSU,SI(Slave), tSU,MI(USCI) + tVALID,SO(Slave)).

For the slave's parameters tSU,SI(Slave) and tVALID,SO(Slave), see the SPI parameters of the attached slave.

(2)

Specifies the time to drive the next valid data to the SIMO output after the output changing UCLK clock edge. See the timing diagrams

in Figure 11 and .

(3)

Specifies how long data on the SIMO output is valid after the output changing UCLK clock edge. Negative values indicate that the data

on the SIMO output can become invalid before the output changing clock edge observed on UCLK. See the timing diagrams in

Figure 11 and .

Figure 11. SPI Master Mode, CKPH = 0

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