Usb connector (usba), Signal description – usb connector (usba) – Intel ECB-870 User Manual
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User’s Manual
42 ECB-870 User’s Manual
3.10.29 USB Connector (USBA)
Signal
PIN
CH2 CH1
Signal
GND
9 10
GND
GND 7
8 GND
D1+ 5
6 D2+
D1- 3
4 D2-
VCC1
1 2 VCC2
3.10.30 Signal Description – USB Connector (USBA)
D1+ / D1-
Differential bi-directional data signal for USB channel 0. Clock is transmitted along with the
data using NRZI encoding. The signalling bit rate is up to 12 Mbs.
D2+ / D2-
Differential bi-directional data signal for USB channel 1. Clock is transmitted along with the
data using NRZI encoding. The signalling bit rate is up to 12 Mbs.
VCC
5 V DC supply for external devices. Maximum load according to USB standard.