TMPM330FWFG Toshiba, TMPM330FWFG Datasheet - Page 430
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TMPM330FWFG
Manufacturer Part Number
TMPM330FWFG
Description
Microcontrollers (MCU) MCU w/ ARM Cortex-M3 128K FLASH, 8K SRAM
Manufacturer
Toshiba
Specifications of TMPM330FWFG
Processor Series
TX03
Core
ARM Cortex M3
3rd Party Development Tools
MDK-ARM, RL-ARM, ULINK2
Product Summaries
Summary
Lead Free
Yes
Rohs Compatible Product(s)
Available
Rom (kbytes)
128K
Rom Type
Flash
Ram (kbytes)
8K
Number Of Pins
100
Package
LQFP(14×14)
Vcc
3V
Cpu Mhz
40
Ssp (ch) Spi
-
I2c/sio (ch)
3
Uart/sio (ch)
3
Usb
-
Can
-
Ethernet
-
External Bus Interface
-
Cs/wait Controller (ch)
-
Dma Controller
-
10-bit Da Converter
-
10-bit Ad Converter
12
12-bit Ad Converter
-
16-bit Timer / Counter
10
Motor / Igbt Control
-
Real Time Clock
1
Watchdog Timer
Y
Osc Freq Detect
-
Clock Gear
Y
Low-power Hold Function
-
Remote Control Interface
Y
Hardware Cec Controller
Y
Comparators
-
Low-voltage Detector
-
Etm Hardware Trace
4-bit
Lead Free Status / Rohs Status
Details
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Manufacturer
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18 Flash Memory Operation
The result of the sum calculation “byte + byte + byte + …“ is responded by a word quantity. The Show Flash
Memory Sum command adds all 512 Kbytes of the flash memory together and provides the total sum as a word
quantity. The sum is sent to the controller, with the upper eight bits first, followed by the lower eight bits.
8)
Example)
9)
Calculation of the Show Flash Memory Sum Command
Checksum Calculation
The checksum byte for a series of bytes of data is calculated by adding the bytes together, dropping
the carries, and taking the two’s complement of the total sum. The Show Flash Memory Sum
command and the Show Product Information command perform the checksum calculation. The
controller must perform the same checksum operation in transmitting checksum bytes.
Example) Assume the Show Flash Memory Sum command provides the upper and lower bytes of the
sum as E5H and F6H. To calculate the checksum for a series of E5H and F6H:
Add the bytes together
Take the two’s complement of the sum, and that is the checksum byte.
E5H + F6H = 1DBH
0 − DBH = 25H
A1H
B2H
C3H
D4H
Under development
For the interest of simplicity, assume the depth of the flash
memory is four locations. Then the sum of the four bytes is
calculated as:
Hence, 02H is first sent to the controller, followed by EAH.
Page418
A1H + B2H + C3H + D4H = 02EAH
TMPM330
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