Hardware Manual XE166 Low End Easy Kit Board V1.5
Information in Detail
Hardware Manual
17
V1.5, 2011-03
Figure 11
On-board header X203
3.2.6
ADC
On AN0 (ADC0) is a 10K potentiometer (R113) connected. You can apply a voltage between VAGND0 and
VAREF0 to the AN0 channel via this potentiometer.
3.2.7
LEDs
Port 10 pin 0 up to pin 7 are connected to single LED’s (D101... D108) and can be controlled by Software. These
status LEDs are low active.
3.2.8
Serial EEPROM
By default the USIC0 Channel 1 of the XE166 is connected to a serial EEPROM with a size of 512K (64 x 8). The
default setting for the SSC is described in
.
Table 5
LEDs description
LED number
Description
D201 (red)
Debug Run Mode (switched by DAS Server)
D202 (green)
Debug Active (Mini Wiggler circuit active)
D207 (red)
Power On Reset Active
D208 (green)
Board Voltage 5 Volts
D101 - D108 (yellow)
Status of P10L
Table 6
Serial EEPROM interface
Default Setting:
SSC (USIC0 Channel 1)
P2.8 (SCK) with R140
P2.4 (SI) with R141
P2.10 (SO) with R142
P2.7 (CS) with R143
1
3
5
7
2
4
6
8
9
10
VREF
GND
DAP1
DAP0
USER1_IN
/RESET
GND
GND
USER0_IO
