PSB2163T-V31TR Infineon Technologies, PSB2163T-V31TR Datasheet - Page 70

• Manufacturer Part Number: PSB2163T-V31TR
• Description: IC AUDIO RINGING CODEC 28-PDSO
• Manufacturer: Infineon Technologies
• Series: ARCOFI®r

Specifications of PSB2163T-V31TR

• Function: CODEC Filter
• Interface: IOM-2, PCI, Serial
• Number Of Circuits: 1
• Voltage - Supply: 5V
• Current - Supply: 900µA
• Power (watts): 1mW
• Operating Temperature: -25°C ~ 80°C
• Mounting Type: Surface Mount
• Package / Case: DSO-28
• Includes: Activation and Deactivation, B-Channel and D-Channel HDLC Controllers, D-Channel Priority Handler, Monitor Channel Handler
• Lead Free Status / RoHS Status: Request inventory verification / Request inventory verification
• Other names: PSB2163T-V31INTR; PSB2163T-V31TR

Functional Description
2.3.3
Serial Control Interface
When the MODE pin is tied high and the AD/MCLK pin is used as system clock input
(MCLK), the internal configuration registers and the coefficient RAM of the ARCOFI are
programmable via the serial control interface. It consists of 4 lines: SCLK, SDR, SDX
(open drain or push-pull) and CS.
CS is used to start a serial access to the ARCOFI-registers and the coefficient RAM.
Following a falling edge on CS, the first eight bits transmitted on SDR specify the
command. The subsequent one, two, four or eight bytes (depending on command)
read(s) or write(s) the contents of the selected registers or RAM-locations until the CS
line becomes inactive. If a read command is chosen, the first byte after the command is
the identification code of the ARCOFI-SP PSB 2163 (see also chapter 3.4.2.1). After
one command sequence is completed at least one NOP-command is required (see
figure 32).
A transfer sequence can be broken by setting CS high. All bytes already sent when CS
changes to high are valid.
The data transfer is synchronized by the SCLK input. SDX changes with the falling edge
of SCLK while the contents of SDR is latched on the rising edge of SCLK.
Figure 32 shows the timing of a serial control interface transfer (one byte transfer).
Semiconductor Group
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