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