Power Supply Configuration; Clock Configuration - Renesas RX Series User Manual

RSKRX111
6.3

Power Supply Configuration

Table 6-3 below details the function of the option links associated with power supply configuration.
Signal Name
VBUS
VBUS
EXT_BATT
CON_5V
USB_5V
Unregulated_VCC
REGSEL
CON_3V3
EXT_CHG
EXT_VBUS
PWR
PWR/VBUS/EXT_BATT
/CON_5V
/Unregulated_VCC
UC_VCC
VBAT,
Board_5V
6.4

Clock Configuration

Table 6-4 below details the function of the option links associated with clock configuration.
Signal Name
Connects external clock or Micro controller pin headers to
CON_XTAL MCU.
Disconnect.
Connect the crystal X1.1.
XTAL
Disconnect.
Connect Micro controller pin headers to MCU.
CON_EXTAL
Disconnect.
Connect the crystal X1.2.
EXTAL
Disconnect.
Connect the crystal X2.1.
XCOUT
Disconnect.
Connect the crystal X2.4.
XCIN
Disconnect.
R20UT2193EG0200 Rev. 2.00
Apr 14, 2014
Exclusive Function
Function
Connects VBUS to power supply line of 5V.
Disconnect.
Bus-Powered
Self-Powered
Connects EXT_BATT to power supply line
of 5V.
Disconnect.
Connects CON_5V to power supply line
of 5V.
Disconnect.
Connects USB_5V to USB Host power
control IC.
Disconnect.
Connects Unregulated_VCC to power
supply line of 5V.
Disconnect.
Configures regulator IC output as 3V3.
Configures regulator IC output as 1V8.
Connects CON_3V3 to power supply line
of 3V3.
Disconnect.
Enable Battery Charge Function.
Disable Battery Charge Function.
Connects EXT_VBUS to line of VBUS.
Disconnect.
Connects PWR connector to power
supply line of 5V.
Disconnect.
Connects PWR/VBUS/EXT_BATT
/CON_5V/Unregulated_VCC to Board_5V
and regulator IC.
Disconnect.
Connected to the power supply MCU.
Enable current probe(J7) for MCU
Connects VBAT to BAT of LIN transceiver.
Connects Board_5V to BAT of LIN
transceiver.
Table 6-3: Power Supply Option Links
Exclusive Function
Function
Table 6-4: Clock Option Links
Header connection
Header
IC Pin
Pin
U4.IN J6 2-3
- J6 1-2 /
- J9 1-2
- J9 2-3
U4.IN J6 1-2
- J6 2-3 /
U4.IN JA1.1 R94
- - -
U7.VIN - R96, R178
- - -
U4.IN JA6.23 R95
- - -
U4.OUT J7 open
U4.OUT J7 shorted-pin
U4.OUT JA1.3 R101
- - -
- J13 1-2
- J13 open
- - R185
- JA6.17 -
- - R92
- - -
U4.IN - R91
- - -
- J8 R102
- J8 J8: open
J10.1 -
U5.7
- R93
Header connection
Header Pin
R149
JA2.2, J1.11
-
- R148
- -
R143
J1.12
-
- R145
- -
- R130
- -
- R131
- R132
6. Configuration
Fit Remove
-
All open -
-
-
-
All open -
-
R94
-
R96
-
R95
-
-
-
R101
-
-
-
R185
-
R92
-
R91
/ J8:shorted -
R102
R93
-
Fit Remove
R148
R149
R149
R148
R145
R143
R143
R145
-
R130
R132
R131
Page 19 of 42