PCF2116CUSLASH12 datasheet(38/64 Pages) PHILIPS

38 / 64 page

1997 Apr 07

Philips Semiconductors

Product speciﬁcation

LCD controller/drivers

PCF2116 family

16 AC CHARACTERISTICS

VDD = 2.5 to 6.0 V; VSS =0V; VLCD =VDD − 3.5VtoVDD − 9 V; Tamb = −40 °C to +85 °C; unless otherwise speciﬁed.

Notes

1. VDD =5V.

2. All timing values are valid within the operating supply voltage and ambient temperature range and are referenced to

VIL and VIH with an input voltage swing of VSS to VDD.

SYMBOL

PARAMETER

MIN.

TYP.

MAX.

UNIT

fFR

LCD frame frequency (internal clock); note 1

100

fosc

external clock frequency

150

225

kHz

Bus timing characteristics: Parallel Interface; notes 1 and 2

WRITE OPERATION (WRITING DATA FROM MICROCONTROLLER TO PCF2116)

Tcy

enable cycle time

500

−−

PWEH

enable pulse width

220

−−

tASU

address set-up time

−−

tAH

address hold time

−−

tDSW

data set-up time

−−

tHD

data hold time

−−

READ OPERATION (READING DATA FROM PCF2116 TO MICROCONTROLLER)

Tcy

enable cycle time

500

−−

PWEH

enable pulse width

220

−−

tASU

address set-up time

−−

tAH

address hold time

−−

tDHD

data delay time

−−

150

tHD

data hold time

−

100

Timing characteristics: I2C-bus interface; note 2

fSCL

SCL clock frequency

−−

100

kHz

tSW

tolerable spike width on bus

−−

100

tBUF

bus free time

4.7

−−µs

tSU;STA

set-up time for a repeated START condition

4.7

−−µs

tHD;STA

START condition hold time

−−µs

tLOW

SCL LOW time

4.7

−−µs

tHIGH

SCL HIGH time

−−µs

SCL and SDA rise time

−−

µs

SCL and SDA fall time

−−

0.3

µs

tSU;DAT

data set-up time

250

−−

tHD;DAT

data hold time

−−

tSU;STO

set-up time for STOP condition

−−µs

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