R01UH0822EJ0100 Rev.1.00
Page 951 of 1041
Jul 31, 2019
RX13T Group
31. Flash Memory (FLASH)
31.8.2
Boot Mode (FINE Interface)
The flash memory can be programmed and erased using the FINE in boot mode (FINE interface). The user area and data
area can be rewritten.
Contact the manufacturer for details on the serial programmer.
31.8.2.1
Operating Conditions in Boot Mode (FINE Interface)
FINE is used to communicate with the serial programmer in boot mode (FINE Interface).
shows an Example of Pin Connections in Boot Mode (FINE Interface).
Boot Mode (FINE Interface).
An example of pin connections shown in
is a simplified circuit. Operations are not guaranteed in all
systems.
Figure 31.23
Example of Pin Connections in Boot Mode (FINE Interface)
Table 31.9
Pin Handling in Boot Mode (FINE Interface)
Pin Name
Name
I/O
Function
VCC, VSS
Power supply
—
Input 2.7 V or higher to the VCC pin.
Input 0 V to the VSS pin.
VCL
Decoupling capacitor connect
pin
—
Connect to the VSS pin via a decoupling capacitor for stabilizing
the internal voltage.
MD/FINED
Operating mode control/data
I/O
I/O
Connect to the VCC pin via a resistor (pull up).
RES#
Reset input
Input
Reset pin. Connect to the reset circuit.
MCU
VCC
RES#
VCL
MD/FINED
VSS
Reset circuit
(User logic)
Data I/O