ucb1400 NXP Semiconductors, ucb1400 Datasheet - Page 4

• Manufacturer Part Number: ucb1400
• Description: Audio Codec With Touch Screen Controller And Power Management Monitor
• Manufacturer: NXP Semiconductors

Philips Semiconductors
9397 750 09611
Product data
Table 2:
Total pin count = 48
Symbol
Audio interface (pin count = 6)
MICP
MICGND
LINE_IN_L
LINE_IN_R
LINE_OUT_L
LINE_OUT_R
ADC and touch screen interface (pin count = 9)
AD[3:0]
TSPX
TSMX
TSMY
TSPY
ADCSYNC
GPIO interface (pin count = 10)
IO[9:0]
Power and miscellaneous (pin count = 15)
DVDD2,
DVDD1
DVSS2, DVSS1 7, 4
AVDD3,
AVDD2,
AVDD1
AVSS3,
AVSS2, AVSS1
VREFDRV
VREF
VADCP
VADCN
VREFBYP
Pin description
Pin
21
22
23
24
35
36
13, 14,
15, 16
17
18
19
20
12
48, 47,
46, 45,
44, 43,
41, 40,
39, 37
9, 1
38,
32,
25
42,
33, 26
34
27
28
31
30
Rev. 02 — 21 June 2002
Type
I
I
I
I
O
O
I
I/O
I/O
I/O
I/O
I
I/O
S
S
S
S
O
O
S
S
I/O
…continued
Default
state
closed
driver off
driver off
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Input
Hi-Z
Audio codec with touch screen controller
Description
Microphone input
Microphone ground switch input
Line in left channel
Line in right channel
Line out left channel
Line out right channel
Analog voltage input
Touch screen positive X-plate
Touch screen negative X-plate
Touch screen negative Y-plate
Touch screen positive Y-plate
ADC synchronization pulse
General purpose input/output
Digital supply
Digital ground
Analog supply
Analog ground
Reference voltage for headphone drivers
Reference voltage
Audio ADC positive reference voltage
Audio ADC negative reference voltage
Reference bypass output/
external reference voltage input
and power management monitor
© Koninklijke Philips Electronics N.V. 2002. All rights reserved.
UCB1400
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