UCB1200 datasheet(4/54 Pages) PHILIPS

Part #	UCB1200

Description	Advanced modem/audio analog front-end

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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4 / 54 page

1998 Jul 22

4

Philips Semiconductors

Product speciﬁcation

Advanced modem/audio analog front-end

UCB1200

PINNING

SYMBOL

DESCRIPTION

RESET

STATE

TYPE(1)

IO7

1

general purpose I/O pins

input

I/OC

IO8

2

general purpose I/O pins

input

I/OC

IO9

3

general purpose I/O pins

input

I/OC

ADCSYNC

4

ADC synchronization pulse input

−

IC

VSSD

5

digital ground

−

S(2)

n.c

6

not connected

−−

VSSA2

7

analog speaker driver ground

−

S

SKPRN

8

negative speaker output

hi Z

OA

SPRKP

9

positive speaker output

hi Z

OA

VDDA2

10

analog speaker driver supply

−

S

TOUTP

11

positive telecom codec output

hi Z

OA

TOUTN

12

negative telecom codec output

hi Z

OA

TEST

13

test mode protection

‘0’

IC

TINN

14

negative telecom codec input

hi Z

IA

TINP

15

positive telecom codec input

hi Z

IA

VREFBYP

16

external reference voltage input

hi Z

I/OA

VDDA1

17

analog supply

−

S

VSSA1

18

analog ground

−

S

n.c

19

not connected

−−

MICGND

20

microphone ground switch input

hi Z

IA

MICP

21

microphone signal input

hi Z

IA

AD3

22

analog voltage inputs

hi Z

IA

AD2

23

analog voltage inputs

hi Z

IA

AD1

24

analog voltage inputs

hi Z

IA

AD0

25

analog voltage inputs

hi Z

IA

VSSA3

26

analog touch screen ground

−

S

TSPY

27

positive Y-plate touch screen

hi Z

I/OA

TSMX

28

negative X-plate touch screen

hi Z

I/OA

TSMY

29

negative Y-plate touch screen

hi Z

I/OA

TSPX

30

positive X-plate touch screen

hi Z

I/OA

n.c

31

not connected

−−

VDDD

32

digital supply

−

S

IO0

33

general purpose I/O pins

input

I/OC

IO1

34

general purpose I/O pins

input

I/OC

IO2

35

general purpose I/O pins

input

I/OC

IO3

36

general purpose I/O pins

input

I/OC

VSSD

37

digital ground

−

S

RESET

38

asynchronous reset input

−

IC

SIBSYNC

39

SIB synchronization input

−

IC

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