Z8932120FSC ZILOG [Zilog, Inc.], Z8932120FSC Datasheet - Page 32

• Manufacturer Part Number: Z8932120FSC
• Description: 16-BIT DIGITAL SIGNAL PROCESSORS
• Manufacturer: ZILOG [Zilog, Inc.]

Z89321/371/391
16-Bit Digital Signal Processors
Stereo CODEC Interface
The Z893XX DSP product family CODEC interface pro-
vides direct connection to other CODECs for master or
slave modes, supporting 64 bits of transmission data (16
bits right channel, 16 bits left channel, and 32 bits of con-
figuration information). This configuration information con-
sists of input gain, input MUX, output attenuation, ADC
clipping, and mute and error functions of the CODECs.
32
Z89321
/371/391
SCLK
RxD
FS0
TxD
Figure 31. Z893XX and CS4216 CODEC Interface
(Right)
Audio
Audio
(Left)
Out
Out
10mF
³ 1.0 mF
+
³ 1.0 mF
0.0022mF
0.0022mF
NPO
40k
40k
NPO
P R E L I M I N A R Y
+
+
Setting
0.1mF
Mode
600
600
22
16
21
44
15
43
42
32
30
29
31
1
A key feature of the Z893XX DSP product family is that it
adapts easily to other stereo CODECs, including Crystal
Semiconductor's CS4215 and CS4216 devices (Figure
31).
The 64 bits of data transferred from the CODEC are placed
in four registers, EXT5-1, 5-2, 6-1, and 6-2 (Figure 32 ).
24
VA
ROUT
REFGND
SCLK
SSYNC
SDIN
SDOUT
SMODE2
SFS1
SFS2
SMODE1
LOUT
REFBYP
0.1 mF
CS4216
1 mF +
2.0
RIN2
LIN2
RIN1
LIN1
VD
0.1 mF
4
28
26
27
27
0.47mF
0.47mF
0.47mF
0.47mF
1 mF
Ferrite Bead
+
0.01mF
NPO
0.01mF
NPO
0.01mF
NPO
0.01mF
NPO
150
150
150
150
DS97DSP0100
Channel 2
Input
Channel 2
Input
Channel 1
Input
Channel 1
Input
+5V
Supply
Zilog