PNX1702EH/G,557 NXP Semiconductors, PNX1702EH/G,557 Datasheet - Page 518
PNX1702EH/G,557
Manufacturer Part Number
PNX1702EH/G,557
Description
IC MEDIA PROC 500MHZ 456-BGA
Manufacturer
NXP Semiconductors
Datasheet
1.PNX1702EHG557.pdf
(832 pages)
Specifications of PNX1702EH/G,557
Applications
Multimedia
Core Processor
TriMedia
Controller Series
Nexperia
Ram Size
208K x 8
Interface
I²C, 2-Wire Serial
Number Of I /o
61
Voltage - Supply
1.33 V ~ 1.47 V
Operating Temperature
0°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
456-HBGA
Operating Temperature (min)
0C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Program Memory Type
-
Lead Free Status / Rohs Status
Compliant
Other names
935281647557
PNX1702EH/G
PNX1702EH/G
PNX1702EH/G
PNX1702EH/G
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Philips Semiconductors
Volume 1 of 1
PNX17XX_SER_1
Preliminary data sheet
Figure 3:
SCK
WS
SD
frame
n-1
30 31
Definition of Serial Frame Bit Positions (POLARITY = 1, CLOCK_EDGE = 0)
0
1
2
3
4
CLOCK_EDGE = 0, the parallel-to-serial converter samples WS on a positive clock
edge transition and outputs the first bit (bit 0) of a serial frame on the next falling edge
of SCK.
If CLOCK_EDGE = 1, the parallel-to-serial converter samples WS on the negative
edge of SCK, while audio data is output on the positive edge. That is, the SCK
polarity would be reversed with respect to
Every serial frame transmits a single left and right channel sample and optional
codec control data to each D/A converter. The sample data can be in an LSB first or
MSB first form at an arbitrary serial frame bit position and with an arbitrary length.
(See
In MSB first mode (DATAMODE = 0), the parallel-to-serial converter sends the value
of LEFT[MSB] in bit position LEFTPOS in the serial frame. Subsequently, bits from
decreasing bit positions in the LEFT dataword, up to and including LEFT[SSPOS],
are transmitted in order.
In LSB first mode (DATAMODE = 1), the parallel-to-serial converter sends the value of
LEFT[SSPOS] in bit position LEFTPOS in the serial frame. Subsequent bits from the
LEFT data word, up to and including LEFT[MSB], are transmitted in order. The exact
bits transmitted for a data item ‘S’ are shown in
Table 3: Bits Transmitted for Each Memory Data Item
Frame bits that do not belong to either LEFT[MSB:SSPOS] or RIGHT[MSB:SSPOS]
or a codec control field
extension ensures that Audio Out can be used in combination with D/A converters
which expect more bits than the actual number of transmitted bits in the current
operating mode (e.g., 18-bit D/As operating with 16-bit memory data).
If a starting position for a field is defined at a position such that the end of a serial
frame is reached before the end of the data field is reached, the data beyond the last
bit of the serial frame is truncated.
Operating Mode
16 bit/sample, MSB first
16 bit/sample, LSB first
32 bit/sample, MSB first
32 bit/sample, LSB first
5
6
Section
7
8
9
10 11
4..)
12
Rev. 1 — 17 March 2006
13 14 15
(Section 2.7 on page
16
First Bit
S[15]
S[SSPOS]
S[31]
S[SSPOS]
frame
17
18 19
n
20 21
22 23 24
Figure
Last Bit
S[SSPOS]
S[15]
S[SSPOS]
S[31]
15-9) are shifted out as zero. This zero
25
Table
3.
26
27
3.
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
28 29
PNX17xx Series
Chapter 15: Audio Output
30
Valid SSPOS Values
0...15
0...15
0...31
0...31
31
0
1
frame
2
3
n+1
4
5
6
7
15-7
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