TESSERA FL-850/PJ4, Руководство по оборудованию

Страница: 24 / 29

SW1 Connect to
P3_2/TAUA1I5/TAUA1O5/TAUA1I4/TAUA1O4/CSIG1SI 1 GND
P3_3/TAUA1I7/TAUA1O7/TAUA1I6/TAUA1O6/CSIG1SO/TPB0O 2 GND
P3_7/TAUA1I15/TAUA1O15/TAUA1I14/TAUA1O14/CSIG2RYI 3 GND
P4_2/CSIG1SI/UARTH2RTS/TSG20PTSI1/ENCA0E1/OSTM1O/CSIG2SO 4 LED1
P4_3/CSIG1SO/TSG20PTSI2/ENCA0EC/OSTM0O/UARTH1CTS/CSIG2SC 5 LED2
P4_4/CSIG1SC/TAUJ1I0/TAUJ1O0/TAUJ0I0/UARTH1RTS/ESO0/INTP6/CSIG0RYO 6 LED3
P4_5/TAUJ1I1/TAUJ1O1/TAUJ0I1/ADCA0CNV2/ESO1/INTP7/CSIG1RYO 7 LED4
5V Power Supply 8 Power LED
2.9.3 Clock
For the X1 and X2 of the CPU, 8MHz crystal oscillator (Y1) is mounted on the socket.
2.9.4 Reset Switch
CPU can be reset by pressing the Reset switch (SW2).
2.9.5 Switch & LED
They are connected to port terminals of the CPU.
・ P3_2, P3_3, and P3_7 can be used for the switch inputs.
It connects the pull-up resistor with built-in CPU. Set the switch to OFF to read High
and to ON to read Low.
・ P4_2, P4_3, P4_4, and P4_5 can be connected to LED. Set the switch ON and output
Low from the port to light the LED.
・ SW1-8 is power indicator. Power LED is off when power is OFF.
SW1
LED4,3,2,1 Power LED(5V)