uda1355h-n2 NXP Semiconductors, uda1355h-n2 Datasheet - Page 26

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

Philips Semiconductors
8.3
In microcontroller mode all features become available, such as volume control, PGA gain and mixing (in some modes).
The pin functions are defined in Table 12.
Table 12 Microcontroller mode pin assignment
2003 Apr 10
PIN
16
17
18
19
20
21
22
29
30
31
44
Stereo audio codec with SPDIF interface
4
Microcontroller mode pin assignment
LOCK
RESET
no function
A0
U_RDY
SEL_STATIC
USER
AC3
L3MODE
L3CLOCK
L3DATA
MUTE
SYMBOL
L3-BUS
LOCK
RESET
no function
A0
U_RDY
SEL_STATIC
USER
AC3
no function
SCL
SDA
MUTE
SYMBOL
I
2
C-BUS
LEVEL
HIGH
HIGH
HIGH
HIGH
HIGH
HIGH
LOW
LOW
LOW
LOW
LOW
LOW
LOW
MID
FPLL and SPDIF are out of LOCK
FPLL in lock when SPDIF is not used; FPLL or SPDIF in lock when
SPDIF is used
normal operation
reset
connect to ground
A0 address input/output bit (for microcontroller register)
user bit stable
new user bit
I
L3-bus mode
static mode
user bit output (new bit every SPDIF sub-frame)
no I
I
L3MODE for L3-bus mode; no function for I
L3CLOCK for L3-bus mode or SCL for I
L3DATA for L3-bus mode or SDA for I
no mute
mute active
2
2
C-bus mode
S-bus data preamble detected
2
S-bus data preamble detected
26
DESCRIPTION
2
C-bus mode
2
C-bus mode
2
C-bus
Preliminary specification
UDA1355H