DS2168 Dallas Semiconducotr, DS2168 Datasheet - Page 9

• Manufacturer Part Number: DS2168
• Description: (DS2167 / DS2168) ADPCM Processor
• Manufacturer: Dallas Semiconducotr

SERIAL PORT WRITE
All port writes are initiated by driving CS low and termi-
nated when CS returns high. Data is sampled on the ris-
ing edge of SCLK and must be written to the device LSB
first. Writes to the device may be two bytes (address/
SERIAL PORT WRITE Figure 9
SCLK
NOTE:
1. 2-byte write shown.
8051-BASED CONTROL SYSTEM Figure 10
SDI
CS
1
RST
TM0
TM1
A0
A1
A2
A3
A4
A5
SPS
MCLK
VSS
POWER-ON
(DS1231)
10 MHz
CLOCK
RESET
A0
YOUT
XOUT
CLKY
SCLK
CLKX
A1
VDD
FSY
FSX
YIN
SDI
XIN
CS
A2
A3
A4
PCM DATA HI-WAY “Y”
PCM DATA HI-WAY “X”
A5
RST
TM0
TM1
A0
A1
A2
A3
A4
A5
SPS
MCLK
VSS
X/Y
–
YOUT
XOUT
CLKY
SCLK
CLKX
VDD
FSY
FSX
YIN
SDI
XIN
CS
CR0
8051 CONTROLLER
command and control) or four bytes (address/com-
mand, control, input timeslot and output timeslot) in
length. Writes should be terminated on byte boundaries
to insure data integrity. PCM and ADPCM outputs will
tristate during register updates.
P1.0 RXD TXD
CR1 CR2
CR3 CR4
RST
TM0
TM1
A0
A1
A2
A3
A4
A5
SPS
MCLK
VSS
A0
YOUT
XOUT
CLKY
SCLK
CLKX
VDD
FSY
FSX
YIN
SDI
XIN
A1
CS
DS2167/DS2168
É É É
É É É
A2
022698 9/15
É É
É É