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6
(3) M32170F3
Transfer time by SIO (for a transfer data size of 384 KB)
1/57600 bps × 1 (frame) × 11 (number of transfer bits) × 384 KB
Flash write time
384 KB/256-byte block × 8 ms
Erase time (entire area)
50 ms × number of blocks = 450 [ms]
Total flash write time (entire 384 KB area)
• When communicating at 57600 bps using UART, the flash write time can be ignored
because it is very short compared to the serial communication time. Therefore, the flash
write time can be calculated using the equation below:
When writing data to flash memory at high speed by speeding up the serial
communication or by other means, the fastest write time possible is as follows:
. =
+
76 [s]
.
. =
+
13 [s]
.
6.5 Programming of the Internal Flash Memory
. =
.
12.3 [s]
6-41
INTERNAL MEMORY
. =
.
75.1 [s]
Ver.0.10
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