1–5

1.6

Terminal Functions (Continued)

TERMINAL

I/O

DESCRIPTION

NAME

NO.

I/O

DESCRIPTION

MVSS

39

I

Monitor amplifier ground

RESET

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 .