CXD2598 데이터 시트보기 (PDF) - Sony Semiconductor

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CXD2598

CD Digital Signal Processor with Built-in Digital Servo and DAC

Sony Semiconductor 

CXD2598Q

Notes) • PCMD is a MSB first, two's complement output.

• GTOP is used to monitor the frame sync protection status. (High: sync protection window opens.)

• XUGF is the frame sync obtained from the EFM signal, and is negative pulse. It is the signal before

sync protection.

• XPCK is the inverse of the EFM PLL clock. The PLL is designed so that the falling edge and the

EFM signal transition point coincide.

• The GFS signal goes high when the frame sync and the insertion protection timing match.

• RFCK is derived from the crystal accuracy, and has a cycle of 136µs.

• C2PO represents the data error status.

• XRAOF is generated when the 32K RAM exceeds the ±28F jitter margin.

Monitor Pin Output Combinations

Command bit

MTSL1 MTSL0

0

0

0

1

1

0

XUGF

MNT0

RFCK

Output data

XPCK

MNT1

XPCK

GFS

MNT2

XROF

C2PO

MNT3

GTOP

–7–

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