CY8CKIT-040 PSoC
®
4000 Pioneer Kit Guide, Doc. # 001-91316 Rev. *F
118
Advanced Topics
10.If the write transfer is successful, then check back the data using a read command to the same
address by sending the second command line, as shown in
. The read command on
the same locations will yield a '0' at 0x0000 (flag cleared) and 0xFD at 0x0001 (inverse of 0x02
sent). This shows that the onboard PSoC 4 device accessed the bytes and modified them. On
writing any byte to 0x0001, as explained in step 9, the inverse of the same will be calculated and
stored back at the same location by PSoC 4 if the 0x0000 byte is set to '1'.
Figure 6-20. Read Data From F-RAM
6.3
Using PSoC 5LP as a USB-UART Bridge
The PSoC 5LP serves as a USB-UART bridge, which can communicate with the COM terminal soft-
ware. This section explains how to use the PSoC 5LP's USB-UART bridge with an external device or
board (PSoC 4200 with CY8CKIT-001) with an example.
Note:
This project explains how to use the USB-UART bridge of PSoC 5 LP for external UART lines.
Project: CapSense Proximity and UART on page 57
can be used as a reference for using the USB-
UART bridge with the PSoC 4000 family featured on the board. The PSoC 4000 family supports only
a software UART transmit line, which is explained in
Project: CapSense Proximity and UART on
.
Users who have a Windows operating system that does not have HyperTerminal, can use an alter-
native terminal software such as
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