Philips Semiconductors
Product specification
Advanced modem/audio analog front-end
PINNING
SYMBOL
IO7
IO8
IO9
ADCSYNC
V
SSD
n.c
V
SSA2
SKPRN
SPRKP
V
DDA2
TOUTP
TOUTN
TEST
TINN
TINP
VREFBYP
V
DDA1
V
SSA1
n.c
MICGND
MICP
AD3
AD2
AD1
AD0
V
SSA3
TSPY
TSMX
TSMY
TSPX
n.c
V
DDD
IO0
IO1
IO2
IO3
V
SSD
RESET
SIBSYNC
1998 Jul 22
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
PIN
DESCRIPTION
general purpose I/O pins
general purpose I/O pins
general purpose I/O pins
ADC synchronization pulse input
digital ground
not connected
analog speaker driver ground
negative speaker output
positive speaker output
analog speaker driver supply
positive telecom codec output
negative telecom codec output
test mode protection
negative telecom codec input
positive telecom codec input
external reference voltage input
analog supply
analog ground
not connected
microphone ground switch input
microphone signal input
analog voltage inputs
analog voltage inputs
analog voltage inputs
analog voltage inputs
analog touch screen ground
positive Y-plate touch screen
negative X-plate touch screen
negative Y-plate touch screen
positive X-plate touch screen
not connected
digital supply
general purpose I/O pins
general purpose I/O pins
general purpose I/O pins
general purpose I/O pins
digital ground
asynchronous reset input
SIB synchronization input
4
UCB1200
RESET
STATE
input
input
input
−
−
−
−
hi Z
hi Z
−
hi Z
hi Z
‘0’
hi Z
hi Z
hi Z
−
−
−
hi Z
hi Z
hi Z
hi Z
hi Z
hi Z
−
hi Z
hi Z
hi Z
hi Z
−
−
input
input
input
input
−
−
−
TYPE
(1)
I/O
C
I/O
C
I/O
C
I
C
S
(2)
−
S
O
A
O
A
S
O
A
O
A
I
C
I
A
I
A
I/O
A
S
S
−
I
A
I
A
I
A
I
A
I
A
I
A
S
I/O
A
I/O
A
I/O
A
I/O
A
−
S
I/O
C
I/O
C
I/O
C
I/O
C
S
I
C
I
C
PHILIPS [ NXP SEMICONDUCTORS ]
