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PDF SAA7750-N1D Data sheet ( Hoja de datos )
| Número de pieza | SAA7750-N1D | |
| Descripción | Generic device for portable multimedia applications | |
| Fabricantes | NXP Semiconductors | |
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INTEGRATED CIRCUITS
DATA SHEET
Generic device for portable
multimedia applications
SAA7750-N1D
Preliminary Specification version 1.3
File under Integrated Circuits, <Handbook>
2002 Jan 21
1 page  
Philips Semiconductors
SAA7750-N1D
Preliminary Specification version 1.3
Generic device for portable
multimedia applications
• Embedded 3Mbit (384kbyte) flash for Field upgradibility
• Embedded Audio Codec with headphone driver
• small footprint LFBGA208 package
1.3 Software features
• Audio Decoder support:
– Supports MPEG 1 layer 3 and MPEG 2 layer 2.5 and layer 3 audio decoding (MP3), up to 320kbit/s , fixed and
variable bitrate.
– Supports Microsoft WMTA 4.0 decoding
– Supports AAC-LC decoding
• Features on the audio codec:
– Digital Automatic Gain Control (AGC) on the microphone input.
– Programmable Gain Amplifier (PGA) for analog stereo line input
– Volume control (incl. balance)
– Bass-boost and Treble (left/right)
• DSP features:
– UltraBass II
– Incredible headphone
– Infrapitch
2 GENERAL DESCRIPTION
The SAA7750 is an IC based on an embedded RISC processor in combination with a simple embedded DSP core for
audio post-processing. The device is designed for hand-held applications like portable CD-DA/ MP3 players, memory
card applications or other portable applications. The high level of integration, low power consumption and high processor
performances make the SAA7750 very suitable for portable hand-held devices.
The SAA7750 is based on the powerful ARM720T CPU core, which is a full 32-bit RISC processor featuring the 16-bit
Thumb instruction set for effective memory usage. The audio streaming and post-processing for the SAA7750 is handled
by a separate audio co-processor DSP, which is a small, fast and powerful 24-bit Epics7A DSP core.
3 APPLICATIONS
• Portable Solid State Audio player
• Portable MP3 CD player
• Home audio applications
• Non-automotive Car applications
• Other portable applications like PDA
4 ORDERING INFORMATION
TYPE NUMBER
NAME
SAA7750EL/N1 LFBGA208
PACKAGE
DESCRIPTION
low profile fine-pitch ball grid array package; 208 balls;
body 15 x 15 x 1.2 mm.
VERSION
SOT631-1
2002 Jan 21
5 PHILIPS CONFIDENTIAL
5 Page 
Philips Semiconductors
SAA7750-N1D
Preliminary Specification version 1.3
Generic device for portable
multimedia applications
SYMBOL(1)
LFBGA
208
PIN
DIGITAL I/O LEVEL
UART_NCTS
B14 0-5 VDC tolerant
UART_NDCD
A15 0-5 VDC tolerant
UART_NDSR
B13 0-5 VDC tolerant
UART_NDTR
A14
Mode Selection pins SAA7750 (fixed: 3 pins)
MODE<2>
L16 0-5 VDC tolerant
MODE<1>
M15 0-5 VDC tolerant
MODE<0>
M16 0-5 VDC tolerant
Wake-up input pin SAA7750 (fixed: 1 pin)
WAKE_UP
L1 0-5 VDC tolerant
Reset input pin SAA7750 (fixed: 1 pin)
NRESET_IN
L15 0-5 VDC tolerant
Reset output pin SAA7750 (fixed: 1 pin)
RESET_OUT
N16
Reset input pin SSA Audio Codec (fixed: 1 pin)
RESET
N15 0-5 VDC tolerant
DAC SSA Audio Codec (fixed: 4 pins)
VOUTL
P15
VOUTR
R16
VDDA(DA)
R17
VSSA(DA)
P16
Headphone Amplifier SSA Audio Codec (fixed: 5 pins)
VOUTL(HP)
T17
VOUTR(HP)
U17
VREF(HP)
T16
VDDA(HP)
R15
VSSA(HP)
U16
ADC SSA Audio Codec (fixed: 8 pins)
VINL
M17
VINR
K17
VINM
H17
VADCP
G17
VADCN
J17
VREF
P17
VDDA(AD)
L17
VSSA(AD)
N17
Control pins SSA Audio Codec (fixed: 4 pins)
L3CLOCK_SCL
P14 0-5 VDC tolerant
L3DATA_SDA
R14 0-5 VDC tolerant
L3MODE_A0
U15 0-5 VDC tolerant
SELECT_L3_IIC
T15 0-5 VDC tolerant
Test pin SSA Audio Codec (fixed: 1 pin)
TEST1
T14 0-5 VDC tolerant
Supplies SSA Audio Codec (fixed: 2 pins)
VDDD(CODEC)
N14
VSSD (CODEC)
U14
Supplies SSA Flash memory (fixed: 2 pins)
APPL.
FUNC
I
I
I
O
PIN STATE
AFTER
RESET
I
I
I
I Wake up input pin
DESCRIPTION
I System Reset Input
O Reset output
I Reset input pin with pull-down for creating Power-On-Reset
A Analog left output pin
A Analog right output pin
Analog supply DAC
Analog ground DAC
A Analog left output pin
A Analog right output pin
A Analog reference output pin
Analog supply Headphone Driver
Analog ground Headphone Driver
A Left line input
A Right line input
A Microphone input
A Positive Reference voltage ADC
A Negative Reference voltage ADC
A Reference voltages ADC
Analog supply ADC
Analog ground ADC
I L3 Clock/IIC clock input
I L3 Data/IIC data input
I L3 Mode/IIC address selection
I Select pin for L3 (LOW) or IIC control (HIGH)
I Test control pin
Digital supply Audio Codec
Digital ground Audio Codec
2002 Jan 21
11 PHILIPS CONFIDENTIAL
11 Page | ||
| Páginas | Total 66 Páginas | |
| PDF Descargar | [ Datasheet SAA7750-N1D.PDF ] | |
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