935274109557 NXP Semiconductors, 935274109557 Datasheet - Page 52

• Manufacturer Part Number: 935274109557
• Manufacturer: NXP Semiconductors

Specifications of 935274109557

• Screening Level: Commercial
• Package Type: SQFP
• Pin Count: 208
• Lead Free Status / RoHS Status: Compliant

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Notes
1. In systems that use 16 Mbit SDRAM, due to system architecture constraints, LPCM bypass must be restricted to be used with I and IP video
2. All compressed audio data is 16-bit. In the event of LPCM bypass 20-bit data will be truncated to 16 bits.
ADR
HEX
94
95
96
encoding only. There is no constraint if 64 Mbit SDRAM is used.
I
I
I
M
audio encoding
bit rate and output
resolution
audio clock output
frequency
audio
pre-emphasis
mode
COMMAND
NAME
R/W 1 byte
R/W 1 byte
R/W 1 byte
R/W
SIZE/POSITION
bit 0 = 0
bit 0 = 1
bit 1 = 0
bit 1 = 1
bit 0 = 0
bit 0 = 1
bit[1:0] = 00
bit[1:0] = 01
bit[1:0] = 10
256 kbit/s
384 kbit/s
16-bit
reserved
256
384
off
50/15 ms
CCITT J17
PARAMETER/RANGE
48 kHz
48 kHz
DEFAULT
256 kbit/s
16-bit
256
48 kHz
off
defines the audio encoding bit rate (see
Section 7.5); note 2
selects the output frequency at the audio clock
mode
selects audio pre-emphasis mode of input
signal (valid for MPEG encoding only)
DESCRIPTION