IFoundry Systems IFSYS-5651 MSP430 User Manual
Page 8
Page 8 of 50
Copyright © 2008 iFoundry Systems
IFSYS-5651 MSP430 Bluetooth Evaluation Kit User Guide
3.1 Connectors
Following is a list of connectors used on the board, and their respective functions. The
connectors may in later sections be referred to by either name or reference designation.
Refer to the board diagram on the previous page for connector and component locations.
REF
NAME / TYPE
CONNECTED TO
DESCRIPTION / PURPOSE
RJ1 RJ45
connector
CSR development
tools.
Firmware download port for IFSYS-5043 Bluetooth module
JTAG JTAG
14-pin
connector
JTAG debugger
for software
development
Used with MSP430 development environment..
SD1 SD
Memory
Card
connector
Accepts SD
memory cards
Provide storage for developer’s applications.
P1
DB9M
MSP430 UART2
Used as a generic port or connected to an external
Bluetooth module for MSP430 applications.
P2
DB9M
MSP430 UART1
Used as a generic port or connected to an Oximeter for
MSP430 applications.
P3 DB9M
IFSYS-5043
UART
Connects IFSYS-5043 to an external host or to an Oximeter
for IFSYS-5043 applications. If IFSYS-5043 module is
connected to the MSP430, this port is unused/unconnected.
USB1
Mini USB
MSP430 UART3
Primary function is to provide power to the IFSYS-5651.
The miniUSB serves two different modes, controlled by
MODE jumper (details in Jumpers section)
3.1.1
MSP430 UART hardware limitations
The developer of MSP430 applications is advised about the limitations with regards to
the MSP430 serial communications. MSP430 provides a basic 3-wire UART
communication. For applications that require hardware based (RTS/CTS) flow control,
this capability is simulated by MSP430 GPIO lines.
It should be noted that simulated hardware flow control incurs processor cycles, and
the developer should decide between implementing simulated hardware flow control,
or use software based flow control schemes.
All UART ports of the MSP430 are of the 3-wire type. Please refer to the schematics
for the IFSYS-5651 MSP430 Bluetooth Development Board for details on which GPIO
pins are allocated for UART flow control purposes.