Renesas 32185 - Manual (Page 46)

32185/32186/32192/32195/32196 Group
Starter Kit User’s Manual M3A-2154G52B
REJ10B0223-0150/Rev.1.50 Mar 2008 Page 38 of 80
2. Functional Specifications
2.1 Configuration of the Power Supply
The power to the M32R/ECU can be supplied from two sources, VCC-BUS and VCCE,
independently of each other. With default settings, the power to the M32R/ECU is fed through the
VCCE power supply connector to all of its internal circuits.
VCC
GND
CN1
S2B-XH-A
2
1
VCC
GND
CN2
S2B-XH-A
2
1
TX1
J3
TX2
VCCE power supply
J4
1 2
J5
1 2
J6
J7
1 2
3
1
2
1 2
VCCER power supply
AVCC0 power supply
VREF0 power supply
VDDE power supply
VCC-BUS power supply
5V 3.3V
U3
LT1086CM-3.3
* CONx : Connector
* Jx : Jumper
* TXx : Test pin
* Ux : IC
Note: CN1, TX1 and U3 are not mounted but they only have patterns available.
Figure 2.1 Power Supply Circuit