RS232¶
RS485¶
Line Termination Resistor Calculator: http://www.alciro.org/tools/RS-485/RS485-resistor-termination-calculator.jsp
USB3¶
VBUS/GND: shared by USB2/3; D-/D+: USB2 only.
https://en.wikipedia.org/wiki/USB_3.0
Type-C¶
- Receptacles: 12+12 Pins
- Plugs: 12+10 Pins: B6/7 n/a & CC2 -> VCONN
| Pin | Name | Description |
|---|---|---|
| A1/B12 | GND | Ground return |
| A2 | SSTXp1 (“TX1+”) | SuperSpeed differential pair #1, transmit, positive |
| A3 | SSTXn1 (“TX1−”) | SuperSpeed differential pair #1, transmit, negative |
| A4 | VBUS | Bus power |
| A5 | CC1 | Configuration channel |
| A6 | D+ | USB 2.0 differential pair, position 1, positive |
| A7 | D− | USB 2.0 differential pair, position 1, negative |
| A8 | SBU1 | Sideband use (SBU) |
| A9 | VBUS | Bus power |
| A10 | SSRXn2 (“RX2−”) | SuperSpeed differential pair #4, receive, negative |
| A11 | SSRXp2 (“RX2+”) | SuperSpeed differential pair #4, receive, positive |
| A12 | GND | Ground return |
PCI-E¶
https://en.wikipedia.org/wiki/PCI_Express#Pinout
side A: PRSNT1# shorter than the rest | side B: component side
×1/4/8/16 cards end at pin 18/32/49/82
+12 V power: 75 W (6-pin) or 150 W (8-pin) | 300 W total (2 × 75 W + 1 × 150 W)
HMDI¶
https://en.wikipedia.org/wiki/HDMI
| Type | Name | - |
|---|---|---|
| A | Std | |
| C | Mini | |
| D | Micro | |
| E | Automotive | locking |
19 Pins¶
Pin 17 Ground for ARC, CEC, DDC and HEC
Pin 18 +5 V (up to 50 mA)
Pin 1 TMDS data 2 (+)
Pin 2 TMDS data 2 ground
Pin 3 TMDS data 2 (−)
Pin 4 TMDS data 1 (+)
Pin 5 TMDS data 1 ground
Pin 6 TMDS data 1 (−)
Pin 7 TMDS data 0 (+)
Pin 8 TMDS data 0 ground
Pin 9 TMDS data 0 (−)
Pin 10 TMDS clock (+)
Pin 11 TMDS clock ground
Pin 12 TMDS clock (−)
Pin 15 SCL (I2C clock for DDC)
Pin 16 SDA (I2C data for DDC)
Pin 13 CEC / Consumer Electronic Control
Pin 14
HDMI 1.0–1.3a: Unused
HDMI 1.4+: ARC (+) or HEC (+)
Pin 19
All versions: Hot plug detect
HDMI 1.4+: ARC (−) or HEC (−)
Channel¶
- Audio Return Channel (ARC): supports stereo PCM
- HDMI Ethernet Channel (HEC): IP-based @ 100 Mbit/s
DVI/HMDI¶
DVI: http://www.alciro.org/alciro/conectores_26/conector-DVI-interfaz-visual-digital_269_en.htm
C1 Red analog
C2 Green analog
C3 Blue analog
C4 Analog horizontal sync
C5 Ground (analog) Return for analog signals
HDMI to DVI-D: http://www.alciro.org/alciro/conectores_26/patillas-cable-HDMI-a-DVI-D_274_en.htm