Boot Mode - Renesas RX100 Series User Manual

RX13T Group
31.8

Boot Mode

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