sc9821c Silan, sc9821c Datasheet - Page 16

• Manufacturer Part Number: sc9821c
• Description: Cd Electronic Shockproof Controller
• Manufacturer: Silan

HANGZHOU SILAN MICROELECTRONICS CO.,LTD
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4.5 Begin to encode and decode
4.6 Read Q sub code
4.7 Adopt query method to detect the state
4.8 Send WAQV signal
4.9 Send the compare& connect command.
CD back according to the effective address of Q sub code. Then begin to compare& connect to correct data.
² HOST sends encoding start command. Send 0xa1 to register MSC80H(8’ h50).
² Read Q sub code of Cd every other time, and if the Q sub code is not continuous, do not enter Esp
² HOST will send query command every other time. Read register MSC90H(8’ h53).
² HOST sends affirm command of effective signal. When the state is normal, send the command 0x80 to
² HOST configures the compare&connect command. There are 3 methods (16-bit , 12-bit, 8-bit precision).
² HOST sends the compare & connect start command. There are two methods(3 pairs data comparative,
When read the three abnormal states of shake signal, input buffer over flow and Sdram data overflow, take
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Send the shielded time to register (8’ h5b), the unit is 128*59ns=7.552us, the length of shake signal
within the input value, it will not be considered as shake signal. The maximum shake shield time is
255x7.552us = 1,925.880 us.
control flow, delay and read again. if the Q sub code is continuous, enter Esp main control flow.
register MSC83H(8’ h51), and record the current effective address of Q sub code.
Send the command to register MSC83H(8’ h51).
direct compare & connect). Send the command to register MSC80H(8’ h51).
REV:1.0
SC9821C
Page 16 of 18
2006.07.21