EM78P813

8-bit OTP Micro-controller

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* This specification is subject to change without notice.

60

2004/8/19

(V1.6)

CW timing characteristic

CAS input signal length

(2130 ,2750 Hz

@ -20dBm )

Tcasi

80

ms

Call waiting data detect delay time

Tcwd

42

ms

Call waiting data release time

Tcwr

26

ms

DTMF receiver timing characteristic

Tone Present Detection Time

Tdp

(ps1)

the guard-times for tone-present

(C=0.1uF, R=300K)

Tgtp

30

ms

the guard-times for tone-absent

(C=0.1uF, R=300K)

Tgta

30

mS

Propagation Delay (St to Q)

Tpq

8

us

Tone Absent Detection Time

Tda

(ps2)

ms

SPI timing characteristic (CPU clock 3.58MHz and Fsco = 3.58Mhz /2)

/SS set-up time

Tcss

560

ns

/SS hold time

Tcsh

250

SCLK high time

Thi

250

ns

SCLK low time

Tlo

250

ns

SCLK rising time

Tr

15

30

ns

SCLK falling time

Tf

15

30

ns

SDI set-up time to the reading edge of SCLK

Tisu

25

ns

SDI hold time to the reading edge of SCLK

Tihd

25

ns

SDO disable time

Tdis

560

ns

(ps1) : Controlled by software

(ps2) : Controlled by RC circuit.

Data ROM access timing characteristic

Symbol

Description

Condition

Min

Typ

Max

Unit

Tdiea

Delay from Phase 3 end to

INSEND active

Cl=100pF

30

ns

Tdiei

Delay from Phase 4 end to

INSEND inactive

Cl=100pF

30

ns

Tiew

INSEND pulse width

30

ns

Tdca

Delay from Phase 4 end to

CA Bus valid

C1=100pF

30

ns

Tacc

ROM data access time

100

ns

Tcds

ROM data setup time

20

ns

Tcdh

ROM data hold time

20

ns

Tdca-1

Delay time of

CA-1

C1=100pF

30

ns