UPD72042BGT NEC [NEC], UPD72042BGT Datasheet - Page 17

• Manufacturer Part Number: UPD72042BGT
• Description: LSI DEVICE FOR Inter Equipment Bus (IEBus) PROTOCOL CONTROL
• Manufacturer: NEC [NEC]

2.4 TRANSMISSION DATA (CONTENTS OF THE DATA FIELD)
Note In this case, if the maximum allowable number of transmission bytes per frame has not yet been reached,
The contents of the data field are indicated by the control bits.
3
4
Acknowledge bit at the end of the data-length field
If any of the following is detected, the acknowledge bit at the end of the data-length field is set to NAK, and
transmission is stopped:
• The parity of the data-length bits is incorrect.
• A timing error occurred.
Acknowledge bit at the end of the data field
If any of the following is detected, the acknowledge bit at the end of the data field is set to NAK, and
transmission is stopped:
• The parity of the data bits is incorrect
• A timing error occurred after the previous acknowledge bit.
• The reception buffer is full, such that no more data can be accepted
the transmitter retries transmission of the data field until the maximum number of transmission bytes is
reached.
Data Sheet S13990EJ3V0DS
Note
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Note
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PD72042B
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