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USB Audio 2.0 Reference Design, XS1-L2 Edition Hardware Manual (1.6) 13/32

10

SPI Flash Memory [L]

A 4Mbit FLASH memory device is provided, connected via a standard Serial Peripheral

Interface (SPI).

The FLASH is connected to four 1-bit ports as shown in the table below. These are

the standard ports the processor will try to boot from in SPI boot mode.

Port

SPI Signal

X0P1A

MISO

X0P1B

SS

X0P1C

CLK

X0P1D

MOSI

The XMOS development tools include the XFLASH utility for programming compiled

programs into the flash memory via the XS1-L2. Software may also access the FLASH
memory at run-time by interfacing with the above ports.

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Содержание XS1-L2

Страница 1: ...n XS1 L2 Edition Hardware Manual Version 1 6 Part Number XR USB AUDIO 2 0 MC Board Version 1V2 Publication Date 2010 06 29 Copyright 2010 XMOS Ltd All Rights Reserved Downloaded from Elcodis com elect...

Страница 2: ...ut 15 16 11 8 MIDI I O 2 11 9 Audio Clocking 3 K 12 10 SPI Flash Memory L 13 11 XSYS Interface 18 14 12 User LEDs I 15 13 Expansion Header 17 16 14 Power 1 G H J M Q 17 15 Printed Circuit Board 18 16...

Страница 3: ...interval review 24 02 10 1 2 Revisions for power supply sequencing 02 03 10 1 3 Revisions for board release 1V1 27 04 10 1 4 Revisions for R102 28 05 10 1 5 Revisions for MIDI PLL XTAG2 29 06 10 1 6 R...

Страница 4: ...Jack Passive LPF 3 5mm Stereo TRS Jack Pre Amp 3 5mm Mono TRS Jack USB Transciever USB3318 13MHz Oscillator USB Series B Receptacle 3 3V DC DC 1 8V LDO 1 0V DC DC RC LP Filter USB High Speed 480Mb s...

Страница 5: ...F or ADAT MIDI input and output Word house clock input to allow synchronization to an external clock Integrated instrument and microphone pre amplifier Integrated headphone amplifier on analogue outpu...

Страница 6: ...hone Pre Amp L 4Mb SPI FLASH D Instrument Mic Pre Amp M Power Supply Protection Fuse E Audio CODEC Clock Buffers N Case LED Power Connector F PLL Clock Distribution O 8 x User Programmable LEDs G 4V1...

Страница 7: ...BNC Word Clock Input 13 Optical Digital Output 4 Instrument IN Mono 1 4 Jack 14 Coaxial Digital Output 5 Microphone IN Mono 3 5mm Jack 15 Optical Digital Input 6 Analogue 1 2 IN Stereo 3 5mm Jack 16 C...

Страница 8: ...supervisor connected to the 1V0 core supply is used to provide a reset to the L2 This ensures the device is reset at power on and also provides predictable behaviour under brownout conditions The devi...

Страница 9: ...the XS1 L2 5 Audio CODEC C The board is equiped with a 24 bit 192kHz multi channel audio CODEC Cirrus Logic CS42448 The CODEC is configured via an I2 C serial configuration interface with slave addre...

Страница 10: ...dance is approximately 9k The CODEC microphone and instrument inputs are AC coupled to low noise op amp pre amplifiers before being AC coupled onto the CODEC inputs These are set with gains of 1 and 1...

Страница 11: ...t map 8 MIDI I O 2 Musical Instrument Digital Interface input and output is provided on the board via a standard Gameport connector The signals are buffered using 5V line drivers and are then connecte...

Страница 12: ...ves the SYNC_OUT signal Word clock input The SYNC_OUT signal is connected to both cores of the XS1 L2 but a DNF resistor R102 normally only allows XCore 1 to output the signal Fit a 0R 0603 resistor t...

Страница 13: ...the table below These are the standard ports the processor will try to boot from in SPI boot mode Port SPI Signal X0P1A MISO X0P1B SS X0P1C CLK X0P1D MOSI The XMOS development tools include the XFLAS...

Страница 14: ...way IDC header is used as the physical connector and the pinout of this is shown below Signal Pin Description TRST_N 3 JTAG Test Reset Active low TMS 7 JTAG Test Mode Select TCK 9 JTAG Test Clock TD1...

Страница 15: ...0 though to LED 7 The LEDs are connected to port X1P8B the bit mapping is shown in the table below Port LED X1P8B0 LED 0 X1P8B1 LED 1 X1P8B2 LED 2 X1P8B3 LED 3 X1P8B4 LED 4 X1P8B5 LED 5 X1P8B6 LED 6...

Страница 16: ...he PLL and CODEC One 4 bit GPIO port X1P4F One 8 bit GPIO port which is also shared with the LED outputs X1P8B A 16 way IDC header is used as the physical connector and the pinout of this is shown bel...

Страница 17: ...5V as follows A low cost 1 5A buck switching regulator is used to generate the 1 0V core supply for the XS1 L2 A low cost 600mA buck switching regulator is used to generate the global 3 3V supply Swi...

Страница 18: ...n a XMOS XS1 G Development Kit form factor with dimensions of 180 x 120mm It is made from FR4 r 4 5 material and finished in immersion gold The mounting holes are 3 2mm in diameter Signal stack up is...

Страница 19: ...14 X1P1M0 DAC_SD1 TP15 X1P1I0 CODEC_SCLK TP16 X1P1E0 CODEC_LRCK TP17 X1P1D0 I2C_SCL TP18 X1P1C0 I2C_SDA TP19 X1P4A3 CODEC_RSTN TP20 X1P1B0 ADC_SD3 TP21 X1P1A0 ADC_SD2 TP22 X1P1G0 ADC_SD1 TP23 X1P4B3 C...

Страница 20: ...TP3 4V1A NA TP2 5V NA TP1 VBUS NA TP9 16 2 2 XS1 L2 System Signal Port Test Point OSC_13M NA TP6 PLL_LOCK X1P4B1 TP29 16 2 3 Audio Clocking Signal Port Test Point SYNC_SEL X1P4A0 TP26 PLL_WCLK NA TP8...

Страница 21: ...TP15 16 2 5 Codec Config Status Signal Port Test Point CODEC_INT X1P4B3 TP23 CODEC_MODE X1P4A1 TP28 CODEC_RST X1P4A3 TP19 I2C_SCL X1P1D0 TP17 I2C_SDA X1P1C0 TP18 16 2 6 Digital Audio Signal Port Test...

Страница 22: ...DATA 0 7 LEDS 0 7 XD15 P4C1 P8B1 P16A9 XD16 P4D0 P8B2 P16A10 XD17 P4D1 P8B3 P16A11 XD18 P4D2 P8B4 P16A12 XD19 P4D3 P8B5 P16A13 XD20 P4C2 P8B6 P16A14 XD21 P4C3 P8B7 P16A15 XD22 P1G0 ULPI_DIR ADC_SD1 XD...

Страница 23: ...C_SEL WORD_CLK COAXIAL_TX OPTICAL_TX TP1 TP2 TP3 TP4 TP5 TP6 TP7 TP51 3V3 1V8 5V 1V0 TP8 TP28 TP9 TP29 TP10 1700mA 330R FB2 100N C3 100N C4 VBUS TP11 TP12 TP13 TP14 TP15 TP16 TP17 TP18 TP19 TP20 TP21...

Страница 24: ...0U C62 C63 100U C53 4U7 C24 100N 3V3 R49 4K7 C54 4U7 100U C64 C33 2N2 R51 470R R17 1K C55 4U7 J9 SJ 3524 SMT 3 2 10 1 C34 2N2 R52 470R R19 10K 4U7 C56 2N2 C35 470R R53 10K R20 R21 10K R54 470R C36 2N2...

Страница 25: ...B51 B52 B53 B54 B55 X0D43 X0D42 X0D41 X0D40 X0D39 X0D38 X0D37 X0D36 X0D35 X0D34 X0D33 X0D32 X0D31 X0D30 X0D29 X0D28 X0D27 X0D26 X0D25 X0D24 X0D23 X0D22 X0D21 X0D20 X0D19 X0D18 X0D17 X0D16 X0D15 X0D14...

Страница 26: ...U7 C94 XS1_L2_124LGA U9 A35 B13 B11 B9 B12 B10 B8 B36 B35 B34 B33 B37 B7 CLK DEBUG MODE0 MODE1 MODE2 MODE3 RST_N TCK TDI TDO TMS TRST_N MODE4 CONFIG C88 100N 100N C89 3V3 2R2 R82 C90 100N 5V XL_UP0 C9...

Страница 27: ...0 I1 S VCC Q GND 0 1 3V3 DIGI_MCLK CODEC_MCLK XCORE_MCLK SYNC_OUT SYNC_SEL WORD_CLK I2C_SCL I2C_SDA NC7WZ17 U19 1 4 6 2 5 3 A2 VCC GND Y1 Y2 A1 100N C100 1K R86 75R R85 5 1634513 1 J17 1D 1B 2 1A 1C 3...

Страница 28: ...DEC_RSTN SYNC_SEL DAC_SD1 DAC_SD2 DAC_SD3 DAC_SD4 OPTICAL_TX COAXIAL_TX I2C_SCL NC7WZ17 U2 1 4 6 2 5 3 A2 VCC GND Y1 Y2 A1 MCLK_IN I2C_SDA ADC_SD3 ADC_SD2 ADC_SD1 CODEC_INT 10K R105 10K R109 DNP R99 5...

Страница 29: ...GND D Q C R8 107R R9 232R C9 100N 820R R6 3V3 500mA FB3 470R 3V3 100N C12 C10 100N C113 100N 3V3 3V3 J4 TORX147PL 3 1 2 GND OUT VCC C6 100N 0R R7 OPTICAL_TX MCLK 3V3 3V3 OPTICAL_RX COAXIAL_TX U24 NC7...

Страница 30: ...6 2 3 1 INST_IN 20K R58 100N C65 200K R60 R65 470R 4U7 C68 2N2 C66 C69 4U7 4V1A 2K2 R59 R62 100K SJ 3524 SMT J13 3 2 10 1 4U7 C70 U7 LMV722 7 5 6 4V1A 2N2 C67 C71 4U7 470R R66 4K7 R63 4K7 R64 4V1A C7...

Страница 31: ...1V1 To 1V2 Added buffer for MIDI I O to correct 5V going into XS1 L2 I Os Added pull ups on MIDI signals to stop startup glitches Added 47pf cap to slow coax output and tidied up digital out layout R...

Страница 32: ...Information collectively the Information and is providing it to you AS IS with no warranty of any kind express or implied and shall have no liability in relation to its use XMOS Ltd makes no represen...

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