LAPIS Semiconductor ML630Q791 Hardware Manual page 16

3. Setting
3.1. Setting operating mode of ML630Q791 SDK Board
3.1.1. Firmware update jumper
The BRMP pin is set by the Firmware update switch. Setting the BRMP pin to "H",the hardware remap
function becomes available.
Setting
cap not placed
cap placed
3.1.2. HOST IF setting jumper
When you use the other host, remove HOST IF jumper from pins to avoid the conflict with the signal which
FT232H outputs.
Communication board
USB
connector
Setting
cap placed
cap not placed
FEBL630Q791-01
UPDATE
Figure 3-1 the Host IF switch,
Table 3-1 the Host IF switch
Set BRMP pin to "H". Supply voltage is 1.8V.
Set BRMP pin to "L".
FT232H
Table 3-2 the HOST IF jumper
The level shifter is enabled. The PC connected to the USB connector is
the host.
The level shifter is disabled. Connect the other host to the HOST IF
connector.
ML630Q791 SDK Board Hardware Manual
Explanation
CPU board
Level shifter
EN
1.8V
HOSTIF_EN
Explanation
Chapter 3 Setting
ML630Q791
3-1