TLC320AD545 Datasheet, PDF (11/37 Pages) Texas Instruments – Single Channel Data/Fax Codec

1.6 Terminal Functions (Continued)
TERMINAL
NAME
I/O
NO.
DESCRIPTION
MVDD
MVSS
RESET
41 I Monitor amplifier supply (5 V/3.3 V)
39 I Monitor amplifier ground
28 I Codec device reset. RESET initializes all device internal registers to default values. This signal is active low.
SI_SEL
37 I Serial interface mode select. When SI_SEL is tied to DVDD, the serial port is in FS high mode. When SI_SEL is
tied to DVSS, the serial port is in FS low mode. (see Section 4, Serial Communications).
TCLK
38 O Test output port. TCLK is for factory test only and should be either connected to ground or left unconnected.
TEST1
43 I/O Test input port. TEST1 is for factory test only and should be either connected to ground or left unconnected.
TEST2
44 I/O Test input port. TEST2 is for factory test only and should be either connected to ground or left unconnected.
VSS
20 I Internal substrate connection. VSS should be tied to DAVSS _.
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