[9] Reading time
Read out time (hour, minute, second) of clock. However, when
[Write mode assignment]: None
[Communication format]
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| "+" |
| "C" | "L" |
| "A" | CMD | SUB | ATTR |
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| ACK | "C" |
| "L | "A" | CMD | SUB | ATTR | H | M | S | |||
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| 45(H) | Function code |
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| SUB |
| A3(H) | Sub code |
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| H | 00 to 23(H) | 00 to 23 o'clock |
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| left: See page |
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| M | 00 to 59(H) | 00 to 59 minutes |
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| S | 00 to 59(H) | 00 to 59 seconds |
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[Example] Reading a time of 8 : 30 : 30 AM. (The data in cells are in hexadecimal notation)
Command |
| 2B |
| 43 | 4C | 41 |
| 45 | A3 | 00 |
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| "C" | "L" | "A" |
| CMD | SUB | ATTR |
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Response |
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| 2B | 00 | 43 | 4C | 41 | 45 | A3 | 00 | 08 | 30 | 30 | |||
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| CMD | SUB |
| 8: | 30: | 30AM |
[10] Setting time
10Set time (hour, minute, second) of clock. However, when
[Write mode assignment]: 1 or 2
[Communication format]
| Command |
| "+" | "C" |
| "L" | "A" | CMD |
| SUB | ATTR | H | M | S | CTRL |
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| "+" | ACK |
| "C" | "L" | "A" |
| CMD | SUB | ATTR |
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| Symbol | Data |
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| Details |
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| CMD | 45(H) | Function code |
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| SUB | B3(H) |
| Sub code |
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| H, M, S |
| Same as the "Reading out time" above. |
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| 00(H) |
| Start operation of the clock |
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| 01(H) |
| Stop operation of the clock |
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| CTRL |
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02(H) | Reset digits lower than the second |
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| 08(H) |
| Correct 30 seconds (Round off 0 to |
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| 29 sec., and round up 30 to 59 sec.) |
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[Example] When the time is 13 : 30 : 00. (The data in cells are in hexadecimal notation)
Command | 2B | 43 | 4C | 41 | 45 | B3 | 00 | 13 | 30 | 00 |
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| "+" | "C" | "L" | "A" | CMD | SUB | ATTR | 13 | 30 | 00 | At operation | ||
Response |
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| 2B | 00 | 43 | 4C | 41 | 45 | B3 | 00 |
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| ACK |
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| CMD | SUB |
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