Datasheet

SRC4192, SRC4193
SBFS022B
3
www.ti.com
PIN# NAME DESCRIPTION
1 RCKI Reference Clock Input
2 N.C. No Connection
3 N.C. No Connection
4 SDIN Audio Serial Data Input
5 BCKI Input Port Bit Clock I/O
6 LRCKI Input Port Left/Right Word Clock I/O
7V
IO
Digital I/O Supply, +1.65V to V
DD
8 DGND Digital Ground
9 BYPAS ASRC Bypass Control Input (Active High)
10 N.C. No Connection
11 N.C. No Connection
12 N.C. No Connection
13 RST Reset Input (Active Low)
14 MUTE Output Mute Control Input (Active High)
15 RDY ASRC Ready Status Output (Active Low)
16 RATIO Input-to-Output Ratio Flag Output
Low output denotes Output rate lower than Input rate.
High output denotes Output rate higher than Input rate.
17 N.C. No Connection
18 N.C. No Connection
19 N.C. No Connection
20 TDMI TDM Data Input (Connect to DGND when not in use)
21 DGND Digital Ground
22 V
DD
Digital Core Supply, +3.3V
23 SDOUT Audio Serial Data Output
24 LRCKO Output Port Left/Right Word Clock I/O
25 BCKO Output Port Bit Clock I/O
26 CS SPI Port Chip Select Input (Active Low)
27 CCLK SPI Port Data Clock Input
28 CDATA SPI Port Serial Data Input
PIN CONFIGURATION (SRC4193)
Top View
RCKI
NC
NC
SDIN
BCKI
LRCKI
VIO
DGND
BYPAS
NC
NC
NC
RST
MUTE
CDATA
CCLK
CS
BCKO
LRCKO
SDOUT
V
DD
DGND
TDMI
NC
NC
NC
RATIO
RDY
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
SRC4193
PIN DESCRIPTIONS (SRC4193)