Datasheet

I/O Connector and Signals
3-6
Additionally, the cell-phone input and output signals can be brought to the EVM
board through the terminal block J2. The buzz input is also routed to J2.
Table 3−5.Other Audio Inputs
Reference
Designator
Description
Pin
Number
Signal Name Function
1 CP IN Cell-phone input
2 CP OUT Cell-phone output
J2 Other audio inputs
3 BUZZ IN Buzz signal input
4 GND Ground
3.3.2 USB Interface Connector
Connection to a USB cable from a PC is made through J10, a standard USB
type-B receptacle.
Table 3−6.USB Interface Connector
Reference
Designator
Description
Pin
Number
Signal Name Function
1 VCC +5-V supply from USB
2 D− −Differential USB signal
J10 USB slave connection to PC
3 D+ +Differential USB signal
4 GND Ground
3.3.3 External Power Connectors
Whereas it is most convenient to power the TSC2101EVM from the USB bus,
external power supplies can be used. The two connectors detailed in
Table 3−7 are provided for the external power.
Table 3−7.External Power Connectors
Reference
Designator
Description Pin Number Signal Name
External power 1 6-Vdc to 10-Vdc input
J11
Terminal block 2 Ground
J12 External power jack — 6-Vdc to 10-Vdc input, positive center terminal