uda1355h-n2 NXP Semiconductors, uda1355h-n2 Datasheet - Page 10

• Manufacturer Part Number: uda1355h-n2
• Description: Stereo Audio Codec With Spdif Interface
• Manufacturer: NXP Semiconductors

Philips Semiconductors
7
7.1
The UDA1355H can be controlled either via static pins or
via the microcontroller serial hardware interface being the
I
clock up to 2 MHz. It is recommended to use the
microcontroller interface since this gives full access to all
the IC features.
The two microcontroller interfaces only differ in interface
format. The register addresses and features that can be
controlled are identical for L3-bus mode and I
mode.
The UDA1355H can operate in three control modes:
The modes are selected via the 3-level pin SEL_STATIC
according to Table 2.
2003 Apr 10
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handbook, full pagewidth
C-bus with a clock up to 400 kHz or the L3-bus with a
Static mode with limited features
L3-bus mode with full featuring
I
Stereo audio codec with SPDIF interface
2
C-bus mode with full featuring.
FUNCTIONAL DESCRIPTION
IC control
SPDIFOUT
CLK_OUT
DATAO
DATAI
BCKO
V DDE
LOCK
V SSE
WSO
BCKI
WSI
10
11
1
2
3
4
5
6
7
8
9
2
C-bus
Fig.2 Pin configuration.
UDA1355H
10
Table 2 Control mode selection via pin SEL_STATIC
7.2
The UDA1355H has a microcontroller interface and all the
sound processing features and system settings can be
controlled by the microcontroller.
The controllable settings are:
Restoring L3-bus defaults
Power-on settings for all blocks
Digital interface input and output formats
Volume settings for the decimator
PGA gain settings
Microcontroller interface
LEVEL
HIGH
LOW
MID
33
32
31
28
MGU828
30
29
27
26
25
24
23
V ADCN
V ADCP
MP2
MP1
MP0
V SSIS
V DDI
SPDIF3
SPDIF2
SPDIF1
SPDIF0
Preliminary specification
I
L3-bus mode
2
static mode
C-bus mode
UDA1355H
MODE