CS8420-CSZ Cirrus Logic Inc, CS8420-CSZ Datasheet - Page 66

• Manufacturer Part Number: CS8420-CSZ
• Description: IC SAMPLE RATE CONVERTER 28SOIC
• Manufacturer: Cirrus Logic Inc
• Type: Sample Rate Converterr

Specifications of CS8420-CSZ

• Package / Case: 28-SOIC
• Applications: CD-R, DAT, DVD, MD, VTR
• Mounting Type: Surface Mount
• Operating Supply Voltage: 5 V
• Operating Temperature Range: - 10 C to + 70 C
• Mounting Style: SMD/SMT
• Resolution: 17 bit to 24 bit
• Control Interface: 3 Wire, Serial
• Supply Voltage Range: 4.75V To 5.25V
• Audio Ic Case Style: SOIC
• No. Of Pins: 28
• Bandwidth: 20kHz
• Rohs Compliant: Yes
• Audio Control Type: Volume
• Dc: 0841
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 598-1782 - EVALUATION BOARD FOR CS8420
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 598-1125-5

RERR - Receiver Error Indicator
NVERR - No Validity Receiver Error Indicator
EMPH - Pre-emphasis Indicator Output
COPY - Copy Channel Status bit Output
ORIG - Original Channel Status Output
PRO - Professional Channel Status bit Output
AUDIO - Audio Channel Status bit Output
RCBL - Receiver Channel Status Block Output
CHS - Channel Select Input
U - User Data Output
C - Channel Status Data Output
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When high, indicates a problem with the operation of the AES3 receiver. The status of this pin is
updated once per sub-frame of incoming AES3 data. Conditions that cause RERR to go high are:
validity, parity error, and bi-phase coding error, as well as loss of lock in the PLL.
When high, indicates a problem with the operation of the AES3 receiver. The status of this pin is
updated once per frame of incoming AES3 data. Conditions that cause NVERR to go high are: parity
error, and bi-phase coding error, as well as loss of lock in the PLL.
EMPH is low when the incoming AES3 data indicates the presence of 50/15 s pre-emphasis. When
the AES3 data indicates the absence of pre-emphasis or the presence of non 50/15 s pre-emphasis
EMPH is high. This is also a start-up option pin, and requires a pull-up or pull-down resistor.
The COPY pin reflects the state of the COPY Channel Status bit in the incoming AES3 type data
stream.
SCMS generation indicator. This is decoded from the incoming category code and the L bit. A low
output indicates that the audio data stream is 1st generation or higher. A high indicates that the audio
data stream is original. This is also a start-up option pin, and requires a pull-up or pull-down resistor.
The PRO pin reflects the state of the Professional/Consumer Channel Status bit in the incoming AES3
type data stream.
The AUDIO pin reflects the state of the audio/non audio Channel Status bit in the incoming AES3 type
data stream.
RCBL indicates the beginning of a received channel status block. RCBL goes high 2 frames after the
reception of a Z preamble, remains high for 16 frames while COPY, ORIG, AUDIO, EMPH and PRO are
updated, and returns low for the remainder of the block. RCBL changes on rising edges of RMCK.
Selects which sub-frame’s channel status data is output on the EMPH, COPY, ORIG, PRO and AUDIO
pins. Channel A is selected when CHS is low, channel B is selected when CHS is high.
The U pin outputs user data from the AES3 receiver, clocked by rising and falling edges of OLRCK.
The C pin outputs channel status data from the AES3 receiver, clocked by rising and falling edges of
OLRCK.
CS8420
DS245PP2