AD9548/PCBZ Analog Devices Inc, AD9548/PCBZ Datasheet - Page 59

• Manufacturer Part Number: AD9548/PCBZ
• Description: Clock Generator Evaluation Board
• Manufacturer: Analog Devices Inc

Specifications of AD9548/PCBZ

• Silicon Manufacturer: Analog Devices
• Application Sub Type: Network Clock Generator/Synchronizer
• Kit Application Type: Clock & Timing
• Silicon Core Number: AD9548
• Kit Contents: Board
• Main Purpose: Timing, Clock Generator
• Embedded: No
• Utilized Ic / Part: AD9548
• Primary Attributes: 62.5 ~ 450 MHz Output Frequency
• Secondary Attributes: SPI and I2C Compatible Control Port
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

REGISTER ACCESS RESTRICTIONS
Read and write access to the register map may be restricted
depending on the register in question, the source and direction
of access, and the current state of the device. Each register can
be classified into one or more access types. When more than
one type applies, the most restrictive condition that applies at
the moment is used.
Whenever access is denied to a register, all attempts to read the
register return a 0 byte, and all attempts to write to the register
are ignored. Access to nonexistent registers is handled in the
same way as for a denied register.
Regular Access
Registers with regular access do not fall into any other category.
Both read and write access to registers of this type can be from
either the serial ports or EEPROM controller. However, only
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one of these sources can have access to a register at any given
time (access is mutually exclusive). Whenever the EEPROM
controller is active, either in load or store mode, it has exclusive
access to these registers.
Read-Only Access
An R in the Opt column of the register map identifies read-only
registers. Access is available at all times, including when the
EEPROM controller is active.
Exclusion from EEPROM Access
An E in the Opt column of the register map identifies a register
with contents that are inaccessible to the EEPROM. That is, the
contents of this type of register cannot be transferred directly to
the EEPROM or vice versa. Note that read-only registers (R) are
inaccessible to the EEPROM, as well.
AD9548