14 pio expansion, 15 user grids, 14 pio expansion -13 – Atmel AT91SAM7L-STK User Manual
Page 27: 15 user grids -13
Board Description
AT91SAM7L-STK Rev. B Starter Kit User Guide
4-13
6414A–ATARM–12-Sep-08
4.14
PIO Expansion
The expansion connector of the AT91SAM7L-STK features the whole body of PIOC signals, ADC inputs,
and ERASE pin. It enables users to expand functions such as SPI, TWI, PIO, ADC, USART, etc. With
ERASE pin connected to VCC (short pin 39 and pin 40 by JS1), the internal Flash will be reinitialized
upon system reset.
Figure 4-13. PIOC Expansion Connector
4.15
User Grids
The unassigned grid on the AT91SAM7L-STK is for users to implement their own small application cir-
cuit on this board.