Pi 2 Design Mercury Streamer, Hardware Reference Manual – P8
PAGE 1
Pi 2 Design
Mercury Streamer
Hardware Reference Manual
© 2022 PI 2 Design
Page 1: ...Pi 2 Design Mercury Streamer Hardware Reference Manual P8 PAGE 1 Pi 2 Design Mercury Streamer Hardware Reference Manual 2022 PI 2 Design...
Page 2: ...Connector Locations 16 8 1 Overview 16 8 2 Front and Rear PaneL and Interior Views 16 8 3 P1 Expansion I O Connector 18 8 3 P2 Micro USB FACTORY USE ONLY 19 8 4 P3 Console UART FACTORY USE ONLY 19 8...
Page 3: ...ssary and appropriate for a complex electronic device These conditions include proper temperature humidity radiation atmosphere and voltage standard commercial environment 0C to 70C 60 RH Any Product...
Page 4: ...e following specifications Specification Value Dimensions 170mm x 123 2mm x 53 5mm 6 7 x 4 85 x 2 1 Weight 1kg 2 lbs Storage Temperature 20C to 85C 4F to 185F Operating Temperature 0C to 70C 32F to 15...
Page 5: ...TER The industry standard WM8804 converts the CM4 I2S stream to AES3 SPDIF formatted data at 24 Bit up to 192Khz Frame Rate AES COAX OUTPUT A 1 1 Isolation Transformer provides Bit Perfect Impedance C...
Page 6: ...on Transformer SPDIF OUTPUT MCLK IN NDK NZ2520SDA 24 576Mhz OPTO 4 BIT BUFFER QUAD LVDS TRANSMITTER I2S I2C PWR EXPANSION FLEX CONNECTORS HDMI 5V USB OTG USB2504 4 PORT USB2 0 HUB UPSTREAM I F HOST PO...
Page 7: ...0p60 decode 1080p30 encode OpenGL ES 3 0 graphics 4GB or 8GB LPDDR4 3200 SDRAM 2 4 GHz 5 0 GHz IEEE 802 11 b g n ac wireless Bluetooth 5 0 BLE Gigabit Ethernet PHY supporting IEEE 1588 PCIe 1 lane Hos...
Page 8: ...s 1 Select 24 576Mhz Input Clock for 48Khz 92Khz and 192Khz Frame Rates TXO AES3 SPDIF encoded digital audio output Table 3 CM4 to WM8804 Connections 4 3 1 WM8804 SPDIF TRANSMITTER NOTES 1 The WM8804...
Page 9: ...n Flex Connector This device is designed to drive the I2S Bus short distances 12 inches 4 7 I2S DIFFERENTIAL DRIVER A Quad Differential LVDS Driver takes the I2S Bus and converts each signal into a ba...
Page 10: ...ption Ethernet P8 RJ45 Ethernet Port LED_ACT LED1 Green LED CM4 Activity LED_PWR LED2 Red LED Power Analog_IP0 1 Unused Camera_GPIO Unused EXT_RST RST Reset Out to Peripherals USB_P N USB2504A USB Hos...
Page 11: ...ctions on the Mercury Streamer are described in the following table GPIO DIR AF PUP PDN Mercury Streamer Usage Description Notes 0 I O I2C0 PUP SDA0 Routed to P5 for DSI 0 1 I O I2C0 PUP SCL0 Routed t...
Page 12: ...wer Circuit 25 IN PUP ROT_CK Rotary Clock Switch Routed to P17 26 IN PUP ROT_DT Rotary Data Switch Routed to P17 27 I O GPIO27 Routed to P1 Expansion Connector Table 5 CM4 Port and GPIO Pin Assignment...
Page 13: ...NDK CLOCKS COMPUTE MODULE 4 AND USB LT2941 5V PRE REGULATOR CM4AES POWER BLOCK DIAGRAM FAN23SV06 3 3V 5A SWITCHING REGULATOR 3 3V to CM4AES POWER CONTROL TO AES BUFFERS Figure 2 Mercury Streamer Powe...
Page 14: ...the on off switch Note that for proper operation this circuit requires user software to program GPIO24 as an input with the internal pullup enabled 6 4 POWER HOLD GPIO22 PHLD allows the CM4 to hold th...
Page 15: ...R Most Audio Player software will support Mercury using either the Pi2design PI2AES or HifiBerry Digi Pro driver 7 3 USB HOST Unlike the Raspberry Pi 4 the CM4 ROM Firmware does not enable the USB Hos...
Page 16: ...OVERVIEW This section provides the type location and pinout for the various connectors on the Mercury Streamer 8 2 FRONT AND REAR PANEL AND INTERIOR VIEWS This shows the front and rear panels of the M...
Page 17: ...Pi 2 Design Mercury Streamer Hardware Reference Manual P8 PAGE 17 Figure 5 Mercury Streamer Rear Panel...
Page 18: ...LW20S 2C7LF 20 Pin 1MM Pitch Flex connector The Pinout for P1 is shown in the following table P1 PIN Name Description 1 MCLK Buffered I2S Master Clock 2 GND Ground 3 BCLK Buffered I2S Bit Clock 4 GND...
Page 19: ...standard USB2 0 Micro B connector and conforms to the industry standard USB2 0 Pinout It is connected to the CM4 USB OTG Port via a 2 1 switch It is provided to allow programming of CM4 modules with...
Page 20: ...10 P9 M 2 2280 NVME P9 is an industry standard M 2 Connector The supported NVMe modules are 2280 22mm x 80mm M or B keyed It is connected to the CM4 PCIe Port 8 11 P10 BNC AES SINGLE ENDED P10 is a ri...
Page 21: ...hing Supply Table 7 Expansion Power Connector Pinout 8 15 P14 USB P14 is a standard Vertical USB2 0 Host connector and conforms to the industry standard USB2 0 Pinout It is connected to the USB2504A U...
Page 22: ...tandard Vertical HDMI connector and conforms to the industry standard HDMI Pinout It is connected to the CM4 HDMI Port 1 This connector is not populated by default 8 18 U15 COMBO RCA OPTO TRANSMITTER...
Page 23: ...ate Revision Change 10 09 2021 P0 1 Preliminary Release 01 22 2022 P7 Release to match CMA4AES PCB P7 03 11 2022 P8 Renamed CM4AES to Mercury Streamer Updated Power Supply to 12V 20 Added Front and Re...
Page 24: ...Pi 2 Design Mercury Streamer Hardware Reference Manual P8 PAGE 24 10 ERRATA 10 15 OVERVIEW The Vertical USB and HDMI Port are not Available for Rev P7...
