PEB2466 SIEMENS [Siemens Semiconductor Group], PEB2466 Datasheet - Page 23

• Manufacturer Part Number: PEB2466
• Description: Four Channel Codec Filter with PCM- and m-Controller Interface SICOFI4-mC
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

Figure 9
Example for a Read Access, with One Data Byte Transferred via DOUT
The data transfer is synchronized by the DCLK input. The contents of DIN is latched at
the rising edge of DCLK, while DOUT changes with the falling edge of DCLK. During
execution of commands that are followed by output data (read commands), the device
will not accept any new command via DIN. The data transfer sequence can be broken
by setting CS to high.
To reduce the number of connections to the
together, and form a bi-directional data-‘pin’.
For special applications a byte by byte transfer is needed. This can be done by
prolonging the high time of DCLK for a user defined ‘waiting time’ after transferring any
byte.
Figure 10
Example for a Write/Read Access, with a Byte by Byte Transfer, and DIN and DOUT
Strapped Together
The Identification Byte is “81
Semiconductor Group
CS
DCLK
DATA
CS
DCLK
DIN
DOUT
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
Control-Byte
High ’Z’
Control
H
” for the PEB 2466.
7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0
7
6
Identification
5
Identification
4
23
3
2
1
P DIN and DOUT may be strapped
0
7
Data Byte 1
6
Functional Description
5
Data Byte 1
4
3
2
1
0
High ’Z’
PEB 2466
High ’Z’
ITD07262
ITD09570
02.97