PCA2117DUGSSLASHDA datasheet(87/107 Pages) NXP

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PCA2117

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Product data sheet

Rev. 4 — 8 April 2015

87 of 107

NXP Semiconductors

PCA2117

Automotive LCD driver for character displays

14.3 SPI-bus timing characteristics

[1]

No load value; bus is held up by bus capacitance; use RC time constant with application values.

Table 53.

SPI-bus characteristics

VDD1, VDD2 = 2.5 V to 5.5 V; VSS1 = 0 V; VLCD = 4.0 V to 16.0 V; Tamb = 40 C to +105 C; unless otherwise specified. All

timing values are valid within the operating supply voltage at ambient temperature and referenced to VIL and VIH with an input

voltage swing of VSS1 to VDD1 (see Figure 60).

Symbol

Parameter

Conditions

Min

Max

Unit

Pin SCL

fclk(SCL)

SCL clock frequency

3.0

MHz

tSCL

SCL time

333

tclk(H)

clock HIGH time

100

tclk(L)

clock LOW time

150

rise time

for SCL signal

100

fall time

for SCL signal

100

Pin CE

tsu(CE_N)

CE_N set-up time

th(CE_N)

CE_N hold time

trec(CE_N)

CE_N recovery time

Pin SDI

tsu

set-up time

set-up time for SDI data

hold time

hold time for SDI data

Pin SDO

td(R)SDO

SDO read delay time

CL = 100 pF

150

tdis(SDO)

SDO disable time

[1]

-50

tt(SDI-SDO)

transition time from

SDI to SDO

to avoid bus conflict

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