User manual

RSK+RX62N 6. Configuration
REJ10J2198-0201 Rev. 2.01 Page 42 of 54
Nov 30, 2011
6.12 Clock Configuration
Table 6-23 below details the function of the option links associated with clock configuration.
Reference Link Fitted Configuration Link Removed Configuration Related Ref.
R4 Connects EXTAL (MCU, pin J1) to the
crystal X1.
Disconnects EXTAL (MCU, pin J1)
from the crystal X1.
R4, R6, R7, R8
R5 Connects XTAL (MCU, pin H1) to the
crystal X1.
Disconnects XTAL (MCU, pin H1)
from the crystal X1.
R5, R6, R7, R8
R6 Connects EXTAL (MCU, pin J1) to the
crystal X2.
Disconnects EXTAL (MCU, pin J1)
from the crystal X2.
R4, R5, R6, R8
R7 Connects XTAL (MCU, pin H1) to the
crystal X2.
Disconnects XTAL (MCU, pin H1)
from the crystal X2.
R4, R5, R7, R8
R8 Connects EXTAL (MCU, pin J1) to
CON_EXTAL.
Disconnects EXTAL (MCU, pin J1)
from CON_EXTAL.
R4, R5, R6, R7
R10 Connects OSC2 (MCU, pin E1) to the
crystal X3.
Disconnects OSC2 (MCU, pin E1)
from the crystal X3.
R11, R12
R11 Connects OSC1 (MCU, pin F1) to the
crystal X3.
Disconnects OSC1 (MCU, pin F1)
from the crystal X3.
R10, R12
R12 Connects OSC2 (MCU, pin E1) to
ground.
Disconnects OSC2 (MCU, pin E1)
from ground.
R10, R11
R301 Connects XTAL2 (U15, pin 13) to the
crystal X4.
Disconnects XTAL2 (U15, pin 13)
from the crystal X4.
X4
Table 6-23: Clock Option Links
6.13 External Memory Configuration
Table 6-24 below details the function of the option links associated with external memory configuration.
Reference Link Fitted Configuration Link Removed Configuration Related Ref.
R152 Connects SDCLK (MCU, pin B15) to
SDRAM module U5, pin 38.
Disconnects SDCLK (MCU, pin B15)
from SDRAM module U5, pin 38.
-
R156 Connects WP# (U6, pin 3) to ground,
enabling write protection on the SPI
flash IC.
Disconnects WP# (U6, pin 3) from
ground, disabling write protection
on the SPI flash IC.
-
R157 Connects HOLD# (U6, pin 7) to ground,
enabling serial flash IC operation
suspension.
Disconnects HOLD# (U6, pin 7)
from ground, disabling serial flash
IC operation suspension.
-
R161 Connects SDA0 (MCU, pin P5) to the
I
2
C EEPROM (U7, pin 5).
Disconnects SDA0 (MCU, pin P5)
from the I
2
C EEPROM (U7, pin 5).
-
R162 Connects SCL0 (MCU, pin R3) to the
I
2
C EEPROM (U7, pin 6).
Disconnects SCL0 (MCU, pin R3)
from the I
2
C EEPROM (U7, pin 6).
-
R163 Connects WP (U7, pin 7) to ground
(bypassing J9), disabling write protection
on the I
2
C EEPROM IC.
Disconnects WP (U7, pin 7) from
ground (still connectable via J9),
enabling write protection on the I
2
C
EEPROM IC.
J9
R164 Connects A0 (U7, pin 1) to
Board_VCC or Board_5V, via R166
and R167 respectively.
Disconnects A0 (U7, pin 1) from
Board_VCC and Board_5V, via R166
and R167 respectively.
R165, R166,
R167
Table 6-24: External Memory Configuration (Continued Overleaf)