User Guide
24 of 56
002-32436 Rev. *B
<2021-06>
CY8CKIT-041S-
MAX PSoC™ 4100S Max pioneer kit guide
Kit operation
2.3.2
USB-UART bridge
The KitProg3 on the PSoC
™
4100S Max pioneer board can act as a USB-UART bridge. The primary UART and flow-
control lines between the PSoC
™
4100S Max MCU and the KitProg3 are hard-wired on the board, as
shows.
KitProg3
PSoC 4100S Max
MCU
P12[7]
P0[5]
P15[5]
P1[6]
P0[7]
P0[6]
P12[6]
P0[4]
RX
TX
RTS
CTS
RX
TX
CTS
RTS
Figure 14
UART connection between KitProg3 and PSoC
™
4100S Max MCU
2.3.3
USB-I2C bridge
The KitProg3 can function as a USB-I2C bridge and can communicate with the bridge control panel (BCP)
software which acts as an I2C master. The I2C lines on the PSoC
™
4100S Max MCU are hard-wired on the board to
the I2C lines of the KitProg3, with onboard pull-up resistors as
shows. The USB-I2C supports I2C speeds
of 50 kHz, 100 kHz, 400 kHz, and 1 MHz. For more details on the KitProg3 USB-I2C functionality, see the
KitProg3
PSoC 4100S Max
MCU
P12[0]
P1[0]
P12[1]
P1[1]
SDA
SCL
4.7K
VTARG
4.7K
Figure 15
I2C Connection between KitProg3 and PSoC
™
4100S Max MCU