OLIMEX ADuC-MT7020 User Manual page 6

SCHEMATIC
2
VDD
31
P1.2
32
SCL
P1.1
33
RXD
P1.0
34
TXD
P4.2
35
RS
VREF
36
VREF
AGND
37
GND
AVDD
38
AVDD
ADC0
39
ADC0
ADC1
40
ADC1
ADC2
ADC2
+
+
+
13
VCCIO
26
VCC2
3
VCC1
30
AVCC
USB
Page 6
1
VSS
3
20
P0.4
19
BUT 1
RST
18
RST
P0.3
17
P0.3/TRST
DGND
16
470nF
GND
LVDD
15 C3
LVDD
IOVDD
14
VCC
IOGND
13
GND
TDO
12 100nF
T DO
TCK
11
C5
TCK
P0.6
P0.6
8
17
GND2
9
Array
GND1
29
EEPROM
AGND
5