Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
natwatch-r-specification:index [2019/08/29 19:15]
qyx [NatWatch-R draft (WIP)]
natwatch-r-specification:index [2019/12/21 01:17] (current)
qyx
Line 34: Line 34:
 ==== NatWatch-R draft (WIP) ==== ==== NatWatch-R draft (WIP) ====
  
-=== Backplane connector signal lines ====+Draft of the specification is kept on [[https://​github.com/​iqyx/​natwatch/​blob/​develop/​nwr_platform_spec.md|GitHub]]
  
-^ Class/​interface ^ Signal lines ^ Count ^ Connector ^ 
-| Power | 4x Vbus 5V (a single PCI-e line is capable of 1.1A), 4x GND | 8 | x1 | 
-| Low power low speed bus signal (I2C, SMBUS) | 1x SCL, 1xSDA, 1x GND | 3 | x1 | 
-| Medium speed, realtime bus signal | CANH, CANL, GND | 3 | x1 | 
-| Debug | targetVCC, SWDIO/TMS, SWCLK/TCLK, SWO/TDO, TDI, nRST, GND, RX, TX, GND | 10 | x1 | 
-| USB Debug | DP, DM, Vusb, GND | 4 | x1 | 
-| Clock sync | 1x SYNC, 1x CLK, 1x GND | 3x | x1 | 
-| | | 31 | 
-| High speed bus | 4x DIO, CLK, FRAME, 5xGND | 11 | x4 | 
-| Ethernet 100Base-TX | RXP, RXN, TXP, TXN | 4 | x4 | 
-| Ethernet 1000Base-T | T3+, T3-, R3+, R3- | 4 | x4 | 
-| Clock sync2 | 4x SYNC, 2x GND | 6x | x4 | 
-| | | +25 | 
- 
-=== Backplane connector signal lines (PCI express x1 connector) ==== 
- 
-^Description ^Pin ^Pin ^Description ^ 
-|**GND**|a1|b1|**+5V**| 
-|**GND**|a2|b2|**+5V**| 
-|**GND**|a3|b3|**+5V**| 
-|**GND**|a4|b4|**+5V**| 
-|**GND**|a5|b5|**GND**| 
-|JTAG TMS|a6|b6|SMBus SCL| 
-|JTAG TCK|a7|b7|SMBus SDA| 
-|JTAG TDO|a8|b8|**GND**| 
-|JTAG TDI|a9|b9|**GND**| 
-|JTAG NRST|a10|b10|CAN 2.0b/CAN-FD CANH| 
-|JTAG VCC|a11|b11|CAN 2.0b/CAN-FD CANL| 
-|Time sync (1PPS)|a12|b12|(Reserved)| 
-|**GND**|a13|b13|(Reserved)| 
-|Time sync signal 1|a14|b14|**GND**| 
-|Time sync signal 2|a15|b15|(Reserved)| 
-|**GND**|a16|b16|(Reserved)| 
-|100Base-T1 TRX_P IN|a17|b17|100Base-T1 TRX_P OUT| 
-|100Base-T1 TRX_M IN|a18|b18|100Base-T1 TRX_M OUT| 
  
  • natwatch-r-specification/index.1567106122.txt.gz
  • Last modified: 2019/08/29 19:15
  • by qyx