User`s manual
User’s Manual
36 ECM-5716 Series User’s Manual
3.7.32 USB Connector (JUSB)
Signal
PIN
CH3 CH2
Signal
VCC3 1 2 GND
D3- 3 4 GND
D3+ 5 6 D2+
GND 7 8 D2-
GND 9 10
VCC2
3.7.33 Signal Description – USB Connector (JUSB)
D2+ / D2- Differential bi-directional data signal for USB channel 2. Clock is transmitted along with the
data using NRZI encoding. The signalling bit rate is up to 12 Mbs.
D3+ / D3- Differential bi-directional data signal for USB channel 3. 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.
3.7.34 PS/2 Keyboard & Mouse Connector (KB_MS)
Signal PIN Signal
MCLK 6
5
KCLK
VCC 4
3
GND
MDAT
2
1
KDAT
3.7.35 Signal Description – PS/2 Keyboard & Mouse Connector
KCLK Bi-directional clock signal used to strobe data/commands from/to the PC-AT keyboard.
KDAT Bi-directional serial data line used to transfer data from or commands to the PC-AT
keyboard.
MCLK Bi-directional clock signal used to strobe data/commands from/to the PS/2 mouse.
MDAT Bi-directional serial data line used to transfer data from or commands to the PS/2 mouse.