參數(shù)資料
型號： SAA7826HL
廠商： NXP Semiconductors N.V.
元件分類： DRAM
英文描述： CD audio decoder, digital servo and filterless DAC with integrated pre-amp and laser control
封裝： SAA7826HL/M1AS/S5<SOT315-1 (LQFP80)|<<http://www.nxp.com/packages/SOT315-1.html<1<Always Pb-free,;
文件頁數(shù)： 36/89頁
文件大小： 379K
代理商： SAA7826HL
2003 Oct 01
36
Philips Semiconductors
Product specification
CD audio decoder, digital servo and filterless
DAC with integrated pre-amp and laser control
SAA7826
7.17
Microcontroller interface
Communication on the microcontroller interface can be
set-up in three different modes:
4-wire bus mode: where;
– SCL = serial clock
– SDA = serial data
– RAB = R/W control and data strobe (active HIGH) for
writing to decoder registers 0 to F, reading status bit
selected via decoder register 2 and reading
Q-channel subcode
– SILD = R/W control and data strobe (active LOW) for
servo commands
3-wire bus mode: where;
– SCL = serial clock
– SDA = serial data
– RAB = not used, pulled LOW
– SILD = R/W control and data strobe (active LOW) for
servo commands
I
2
C-bus mode: I
2
C-bus protocol where the SAA7826
behaves as slave device, activated by setting
RAB = HIGH and SILD = LOW where;
– I
2
C-bus slave address (write mode) = 30H
– I
2
C-bus slave address (read mode) = 31H
– Maximum data transfer rate = 400 kbits/s.
It should be noted that when using the I
2
C-bus mode, only
servo commands can be used. Therefore, writing to
decoder registers 0 to F, reading decoder status and
reading Q-channel subcode data must be performed by
servo commands.
The 3-wire mode is very similar to the 4-wire mode, except
that all communication to the decoder is via the servo.
Communication to the servo uses the same hardware
protocol and timing as the 4-wire mode.
Extra servo commands exist for write and read access to
the decoder via the internal decoder interface. The internal
interface must be enabled by using the xtra_preset
command. RAB is not used and must be tied LOW; see
Fig.23.
handbook, halfpage
MDB503
MICROCONTROLLER
INTERFACE
(DECODER)
MICROCONTROLLER
INTERFACE
SAA7826
RAB = LOW
SDA
SCL
SILD
Fig.23 Microcontroller interface (3-wire mode).
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SAA7826HL/E/M1A 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC PHONIC AUTO RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel
SAA7826HL/E/M1A,55 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC PHONIC AUTO RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel
SAA7826HL/M1A 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC PHONIC AUTO RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel
SAA7826HL/M1A,557 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC PHONIC AUTO RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel
SAA7826HL/M1AS/S5, 制造商:NXP Semiconductors 功能描述:- Tape and Reel 制造商:NXP Semiconductors 功能描述:DSP
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