EM78P813

8-bit OTP Micro-controller

__________________________________________________________________________________________________________________________________________________________________

* This specification is subject to change without notice.

63

2004/8/19

(V1.6)

TONE

TONE

EST

ST/GT

Vtst

1/2 VDD

Q4..Q1

STD

LINE_ENG

Tdp

5~20mS

by S/W

Tgta

30mS Typ.

Tgtp

30mS Typ.

Tpq

8 uS Typ.

Fig.41

DTMF receiver timing diagram