User Guide

C8051T620/2-DK
8 Rev. 0.4
7. Development Boards
The C8051T620/2 Development Kit includes a motherboard that interfaces to various daughter boards. The
C8051T62x Emulation Daughter Board contains a C8051F34A device to be used for preliminary software
development. The C8051T620 Socket Daughter Board and C8051T622 Socket Daughter Board allow
programming and evaluation of the actual C8051T62x devices. Numerous input/output (I/O) connections are
provided on the motherboard to facilitate prototyping. Figure 3 shows the C8051T62x Motherboard and indicates
locations for various I/O connectors. Figure 4 shows the factory default shorting block positions. Figures 5, 6, and 7
show the available C8051T62x daughter boards. Figures 8, 9, 10, and 11 show the available C8051T32x daughter
boards.
 P1, P2 Daughter board connection
 P3 Power connector that accepts input from 7.5 to 15 V dc unregulated power adapter
 P4 USB connector for UART to USB communications interface
 P5 USB Debug interface connector
 J1 Analog I/O terminal block
 J2 Port 0 header
 J3 Port 1 header
 J4 Port 2 header
 J5 Port 3 header with access to VDD and GND
 J6 Power supply selection header (See "7.3. Power Supply Headers (J6 and J7)" on page 14)
 J7 Power supply enable header that connects power source selected on J6 to the board's main
power supply net
 J8 Communications interface control signal header
 J9 Connects port pins to the switches labeled “SW1” and “SW2”
 J10 Connects port pins to the LEDs labeled “LED1” and “LED2”
 J11 Communications interface data signal header
 J12 Connects potentiometer to the port pin, P2.5
 J13 Additional connections to ground
 J14 Connects an external VREF from J1 to P0.7
 J15 VPP supply connection used when programming EPROM devices