Apollo ESP6000 用户手册
ECM-3612
52 ECM-3612 User’s Manual
2.3.23
USB Connector (USB1)
Signal
PIN PIN
Signal
VCC1
1
2
GND
D1- 3
4 GND
D1+
5
6
D2+
GND 7 8 D2-
GND
9
10
VCC2
2.3.23.1 Signal Description – USB Connector (USB1)
Signal
Signal Description
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.