U4090B-P Datasheet, PDF(4/35 Page) ATMEL Corporation – Monolithic Integrated Feature Phone Circuit EMI Improved

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U4090B-P Datasheet, PDF (4/35 Pages) ATMEL Corporation – Monolithic Integrated Feature Phone Circuit EMI Improved

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2. Pin Configuration

Figure 2-1. Pinning SSO44

GT 1

44 TXIN

DTMF 2

43 RECIN

MICO 3

42 TTXA

MIC2 4

41 GR

MIC1 5

40 RECO1

PD 6

39 RAC

IND 7

38 STIL

VL 8

37 STIS

GND 9

36 RECO2

SENSE 10

35 MUTR

VB 11

SAO 12

34 VM

U4090B-P

33 STO

VMPS 13

32 IREF

VMP 14

31 AGA

SWOUT 15

30 TLDR

COSC 16

29 TLDT

VRING 17

28 INLDR

THA 18

27 INLDT

RFDO 19

LIDET 20

26 ATAFS

25 MUTX

IMPSEL 21

24 SAI

TSACL 22

23 GSA

4 U4090B-P

4741CâCORDâ11/05

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