R01UH0822EJ0100 Rev.1.00
Page 948 of 1041
Jul 31, 2019
RX13T Group
31. Flash Memory (FLASH)
31.8
Boot Mode
The SCI or FINE interface is used in boot mode.
lists the Programmable and Erasable Areas and Peripheral Modules Used in Boot Mode.
Note 1. When using the SCI, connect (pull up) this pin to VCC via a resistor.
Table 31.5
Programmable and Erasable Areas and Peripheral Modules Used in Boot Mode
Item
Boot Mode
SCI Interface
FINE Interface
Programmable and erasable areas
User area
Data area
User area
Data area
Peripheral module
SCI1 (asynchronous serial communication)
FINE
Table 31.6
I/O Pins Used in Boot Mode
Pin Name
I/O
Mode
Description
MD
Input
Boot mode
Select operating mode (refer to section 3, Operating Modes).
MD/FINED
I/O
Boot mode
(FINE interface)
Select operating mode/FINE data I/O
PB7/RXD1
Input
Boot mode
(SCI interface)
Receive data*
PB6/TXD1
Output
Transmit data*