MSP430F6438, MSP430F6436, MSP430F6435, MSP430F6433
SLAS720D – AUGUST 2010 – REVISED DECEMBER 2015
Table 6-7. Spy-Bi-Wire Pin Requirements and Functions
DEVICE SIGNAL
DIRECTION
FUNCTION
TEST/SBWTCK
IN
Spy-Bi-Wire clock input
RST/NMI/SBWTDIO
IN, OUT
Spy-Bi-Wire data input/output
VCC
Power supply
VSS
Ground supply
6.9
Flash Memory
The flash memory can be programmed by the JTAG port, Spy-Bi-Wire (SBW), the BSL, or in-system by
the CPU. The CPU can perform single-byte, single-word, and long-word writes to the flash memory.
Features of the flash memory include:
•
Flash memory has n segments of main memory and four segments of information memory (A to D) of
128 bytes each. Each segment in main memory is 512 bytes in size.
•
Segments 0 to n may be erased in one step, or each segment may be individually erased.
•
Segments A to D can be erased individually, or as a group with segments 0 to n. Segments A to D are
also called
information memory
.
•
Segment A can be locked separately.
Copyright © 2010–2015, Texas Instruments Incorporated
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