Section 25
Flash Memory
Rev. 1.00 Mar. 12, 2008 Page 997 of 1178
REJ09B0403-0100
(f)
Operating Clock Frequency Inquiry
The boot program will return the number of operating clock frequencies, and the maximum and
minimum values.
Command H'23
•
Command, H'23, (1 byte): Inquiry regarding operating clock frequencies
Response
H'33
Size
Number of operating clock
frequencies
Minimum value of operating
clock frequency
Maximum value of operating clock
frequency
···
SUM
•
Response, H'33, (1 byte): Response to operating clock frequency inquiry
•
Size (1 byte): The number of bytes that represents the minimum values, maximum values, and
the number of frequencies.
•
Number of operating clock frequencies (1 byte): The number of supported operating clock
frequency types
(e.g. when there are two operating clock frequency types, which are the main and peripheral
clocks, the number of types will be H'02.)
•
Minimum value of operating clock frequency (2 bytes): The minimum value of the multiplied
or divided clock frequency.
The minimum and maximum values represent the values in MHz, valid to the hundredths place
of MHz, and multiplied by 100. (e.g. when the value is 20.00 MHz, it will be 2000, which is
H'07D0.)
•
Maximum value (2 bytes): Maximum value among the multiplied or divided clock
frequencies.
There are as many pairs of minimum and maximum values as there are operating clock
frequencies.
•
SUM (1 byte): Checksum
Содержание H8S Family
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Страница 206: ...Section 6 Bus Controller BSC Rev 1 00 Mar 12 2008 Page 158 of 1178 REJ09B0403 0100...
Страница 420: ...Section 9 14 Bit PWM Timer PWMX Rev 1 00 Mar 12 2008 Page 372 of 1178 REJ09B0403 0100...
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Страница 552: ...Section 14 CRC Operation Circuit CRC Rev 1 00 Mar 12 2008 Page 504 of 1178 REJ09B0403 0100...
Страница 588: ...Section 15 Serial Communication Interface with FIFO SCIF Rev 1 00 Mar 12 2008 Page 540 of 1178 REJ09B0403 0100...
Страница 632: ...Section 17 Synchronous Serial Communication Unit SSU Rev 1 00 Mar 12 2008 Page 584 of 1178 REJ09B0403 0100...
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Страница 804: ...Section 19 LPC Interface LPC Rev 1 00 Mar 12 2008 Page 756 of 1178 REJ09B0403 0100...
Страница 838: ...Section 20 Ethernet Controller EtherC Rev 1 00 Mar 12 2008 Page 790 of 1178 REJ09B0403 0100...
Страница 964: ...Section 24 RAM Rev 1 00 Mar 12 2008 Page 916 of 1178 REJ09B0403 0100...
Страница 1066: ...Section 25 Flash Memory Rev 1 00 Mar 12 2008 Page 1018 of 1178 REJ09B0403 0100...
Страница 1098: ...Section 26 Boundary Scan JTAG Rev 1 00 Mar 12 2008 Page 1050 of 1178 REJ09B0403 0100...
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