Universal Serial Bus (USB)

Developed by Compaq, Digital Equipment Corp, IBM PC Co., Intel, Microsoft, NEC and Northern Telecom.

(в контроллере)
(на устройствеs)

4 PIN ??? MALE в контроллере.
4 PIN ??? FEMALE на устройствеs.

Universal Serial Bus (USB) (Technical)

USB was developed by Compaq, Digital Equipment Corp, IBM PC Co., Intel, Microsoft, NEC and Northern Telecom.

Features:

• True Plug'n'Play.
• Hot plug and unplug
• Low cost
• Easy of use
• 127 physical devices
• Low cost cables and connectors

Bandwidth:

• Full speed: 12 Mbps speed (requires shielded cable)
• Low speed: 1.5 Mbps speed (non-shielded cable)

Definitions:

USB Host = The computer, only one host per USB system.
USB Device = A hub or a Function.

Power usage:

Bus-powered hubs: Draw Max 100 mA at power up and 500 mA normally.
Self-powered hubs: Draw Max 100 mA, must supply 500 mA to each port.
Low power, bus-powered functions: Draw Max 100 mA.
High power, bus-powered functions: Self-powered hubs: Draw Max 100 mA, must supply 500 mA to each port.
Self-powered functions: Draw Max 100 mA.
Suspended device: Max 0.5 mA

Voltage:

• Supplied voltage by a host or a powered hub ports is between 4.75 V and 5.25 V.
• Maximum voltage drop for bus-powered hubs is 0.35 V from it's host or hub to the hubs output port.
• All hubs and functions must be able to send configuration data at 4.4 V, but only low-power functions need to be working at this voltage.
• Normal operational voltage for functions is minimum 4.75 V.

Shielding:

Shield should only be connected to Ground at the host. No device should connect Shield to Ground.

Cable:

Shielded:
Data: 28 AWG twisted
Power: 28 AWG - 20 AWG non-twisted

Non-shielded:
Data: 28 AWG non-twisted
Power: 28 AWG - 20 AWG non-twisted

Cable colors:

GeekPort

The GeekPort is a connector available at Be's BeBox computers.
This is a dream for all hobby engineers who like to connect the computer to the coffee machine.

(в устройстве)
(в компьютере)

37 PIN D-SUB MALE разъём в устройстве.
37 PIN D-SUB FEMALE разъём в компьютере.

Контакт	Сигнал	Описание	Dir
1	GND	Ground
2	A1	Digital A 1
3	A3	Digital A 3
4	A5	Digital A 5
5	A7	Digital A 7
6	GND	Ground
7	+5V	+5 VDC
8	GND	Ground
9	+12V	+12 VDC
10	GND	Ground
11	-12V	-12 VDC
12	GND	Ground
13	+5V	+5 VDC
14	GND	Ground
15	B0	Digital B 0
16	B2	Digital B 2
17	B4	Digital B 4
18	B6	Digital B 6
19	GND	Ground
20	A0	Digital A 0
21	A2	Digital A 2
22	A4	Digital A 4
23	A6	Digital A 6
24	AIref	Analog In Reference
25	A2D1	Analog In 1
26	A2D2	Analog In 2
27	A2D3	Analog In 3
28	A2D4	Analog In 4
29	D2A1	Analog Out 1
30	D2A2	Analog Out 2
31	D2A3	Analog Out 3
32	D2A4	Analog Out 4
33	AOref	Analog Out Reference
34	B1	Digital B 1
35	B3	Digital B 3
36	B5	Digital B 5
37	B7	Digital B 7

Atari ACSI DMA

Used to connect Laser printers or Harddrives.

(в компьютере)
(на устройстве)

19 PIN D-SUB ?? в компьютере.
19 PIN D-SUB ?? на устройстве.

C64/C16/C116/+4 Serial I/O

Available on the Commodore C64, C16, C116 and +4 computers.

(At the computer)
(На кабеле)

6 PIN DIN (DIN45322) FEMALE в компьютере.
6 PIN DIN (DIN45322) MALE На кабеле.

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