Philips SAA7345

1998 Feb 16 11

Philips Semiconductors Product speciﬁcation

CMOS digital decoding IC with RAM for

Compact Disc SAA7345

Table 2 Command registers.

The ‘INITIAL’ column shows the power-on reset state

Fade and Attenuation 00 0 0 X 0 0 0 Mute Reset

X 0 1 X Attenuate

X 0 0 1 Full Scale

X 1 0 0 Step Down

X 1 0 1 Step Up

Motor mode 0 0 0 1 X 00 0 Motor off mode Reset

X 0 0 1 Motor brake mode 1

X 0 1 0 Motor brake mode 2

X 0 1 1 Motor start mode 1

X 1 0 0 Motor start mode 2

X 1 0 1 Motor jump mode

X 1 1 1 Motor play mode

X 1 1 0 Motor jump mode 1

1 X X X anti-windup active

0 X X X anti-windup off Reset

Status control 0 0 1 0 X 00 0 status = SUBQREADY-I Reset

X 0 0 1 status= MOTSTART1

X 0 1 0 status= MOTSTART2

X 0 1 1 status = MOTSTOP

X 1 0 0 status= PLL Lock

X 1 0 1 status= V1

X 1 1 0 status = V2

X 1 1 1 status= MOTOR-OV

0 X X X L channel ﬁrst at DAC (WCLK normal) Reset

1 X X X R channel ﬁrst at DAC (WCLK inverted)

Fig.11 SAA7345 microcontroller interface application diagram.

MGA361 - 1

MICROCONTROLLER

TDA1301 SAA7345

I/O

SIDA

SICL

SILD

RAB