Philips Semiconductors
Preliminary specification
Stereo audio codec with SPDIF interface
UDA1355H
6
PINNING
SYMBOL
PIN
PAD(1)
DESCRIPTION
bit clock input (master or slave)
BCKI
1
2
bpt4mtht5v
bpt4mtht5v
iptht5v
op4mc
op4mc
vdde
WSI
word select input (master or slave)
digital data input
DATAI
3
LOCK
4
PLL lock indicator output
SPDIF output
SPDIFOUT
VDDE
5
6
digital pad supply voltage
digital pad ground
VSSE
7
vsse
DATAO
WSO
8
ops5c
digital data output
9
bpt4mtht5v
bpt4mtht5v
op4mc
vddco
word select output (master or slave)
bit clock output (master or slave)
clock output; 256fs or 384fs
crystal oscillator and PLL supply voltage
crystal oscillator input
BCKO
CLK_OUT
VDDX
10
11
12
13
14
15
16
17
XTALIN
XTALOUT
VSSX
apio
apio
crystal oscillator output
crystal oscillator and PLL ground
reset input
vssco
RESET
MODE0
ipthdt5v
apio
mode selection input 0 for static mode or microcontroller mode (grounded
for I2C-bus)
MODE1
MODE2
18
19
bpts5tht5v
bpts5tht5v
mode selection input 1 for static mode or AO address input and output for
microcontroller mode
mode selection input 2 for static mode or U_RDY output for microcontroller
mode
SEL_STATIC
20
21
apio
selection input for static mode, I2C-bus mode or L3-bus mode
SLICER_SEL0
bpts5tht5v
SPDIF slicer selection input 0 for static mode and USER bit output for
microcontroller mode
SLICER_SEL1
22
bpts5tht5v
SPDIF slicer selection input 1 for static mode and AC3 preamble detect
output for microcontroller mode
SPDIF0
SPDIF1
SPDIF2
SPDIF3
VDDI
23
24
25
26
27
28
29
apio
apio
apio
apio
vddi
vssis
apio
SPDIF input 0
SPDIF input 1
SPDIF input 2
SPDIF input 3
digital core supply voltage
digital core ground
VSSIS
MP0
multi-purpose pin 0: frequency select for static mode, not used for
microcontroller mode
MP1
MP2
30
31
iptht5v
multi-purpose pin 1: SFOR1 for static mode, SCL for I2C-bus mode and
L3CLOCK for L3-bus mode
multi-purpose pin 2: SFOR0 for static mode, SDA for I2C-bus mode and
L3DATA for L3-bus mode
iic400kt5v
VADCP
VADCN
32
33
vddco
vssco
positive ADC reference voltage
negative ADC reference voltage
2003 Apr 10
8
NXP [ NXP ]
