參數(shù)資料
型號(hào)： SAF7843HL
廠商： NXP Semiconductors N.V.
元件分類： 存儲(chǔ)器
英文描述： One chip CD audio device with integrated MP3-WMA decoder
封裝： SAF7843HL/M295<SOT486-1 (LQFP144)|<<http://www.nxp.com/packages/SOT486-1.html<1<Always Pb-free,;SAF7849HL/M245<SOT486-1 (LQFP144)|<<http://www.nxp.com/packages/SOT486-1.h
文件頁(yè)數(shù)： 2/93頁(yè)
文件大小： 396K
代理商： SAF7843HL
SAF784X_2
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 02 — 9 May 2008
2 of 93
NXP Semiconductors
SAF784x
One chip CD audio device with integrated MP3/WMA decoder
I
Two additional analog audio inputs (AUX_L, AUX_R) to allow the ARM microprocessor
access to external audio signals (e.g. tuner); allows audio algorithms (e.g. bass boost)
to be performed on external audio signals
I
Real-time clock operated from separate 32 kHz crystal; allows low-power Standby
mode with real-time clock still operational
I
Watchdog timer
I
I
2
S-bus, S/PDIF, subcode (V4) and subcode sync outputs
I
32 GPIOs
I
Two standard UART channels
I
Two external interrupt pins
I
I
2
C-bus interface configurable for master or slave modes, supporting 100 kbit/s and
400 kbit/s standards
I
Slave I
2
S-bus mode, in which the channel decoder can synchronize the CD playback
speed to an I
2
S-bus clock input
I
Integrated digital HF/Mirror detector with measurement of minimum and maximum
peak values, amplitude and offset
I
Integrated CD-text decoder
I
Up to 6
×
decode speed, CLV or CAV modes
I
LQFP144 package with 0.5 mm pin pitch
I
Separate left and right channel digital silence detection available on KILL pins
I
Digital silence detection available on loopback data from external source as well as
internal data
I
‘Filterless’ pseudo bit stream audio DAC with minimal external components
I
Stereo line outputs for audio DAC
I
Loopback mode allowing the use of integrated DAC with external I
2
S-bus/EIAJ sources
I
Compatible with voltage mode mechanisms
I
On-chip buffering and filtering of the diode signals from the mechanism in order to
optimize the signals for the decoder and servo parts
I
LF (servo) signals converted to digital representations by Sigma-Delta ADCs shared
between pairs of channels to minimize DC offset between channels
I
HF part summed from signals D1 to D4 and converted to digital signals by HF 6-bit
ADC
I
Selectable DC offset cancellation of quiescent mechanism voltages and dark currents,
digitally controlled; additional fine DC-offset cancellation in digital domain
I
Eye pattern monitor system to observe selectable points within the analog pre-amp
I
Current and average jitter values available via registers
I
On-chip laser power control, up to maximum currents of 120 mA
I
Laser on-off control, including ‘soft’-start control - zero-to-nominal output power in
1 ms
I
Monitor control and feedback circuit to maintain nominal output power throughout laser
life
I
Configured for Nsub (N-substrate) monitor diode
I
JTAG interface for device access and ARM code development (compatible with ARM
multi-ICE)
I
All digital input pins 5 V tolerant
I
Low-latency static memory interface to access a maximum of two 2 MB memory
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SAF7843HL/M295,557 功能描述:音頻 DSP IC AUD DECODER RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube
SAF7846HL/M210,557 功能描述:音頻 DSP 1 chip CD Audio Dev w/Integrated decoder RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube
SAF7847HL/M201,557 功能描述:音頻 DSP 1 chip CD Audio Dev w/Integrated decoder RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube
SAF7849HL/M245,557 功能描述:音頻 DSP IC AUD DECODER RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube
SAF7849HL/M295,557 功能描述:音頻 DSP IC AUD DECODER RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube
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