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| 型號： | MPC823 |
| 廠商： | Motorola, Inc. |
| 英文描述： | Communication Processor Module |
| 中文描述： | 通信處理器模塊 |
| 文件頁數(shù)： | 25/74頁 |
| 文件大?。?/td> | 234K |
| 代理商： | MPC823 |
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Communication Processor Module
MOTOROLA
MPC823 REFERENCE MANUAL
16-403
S
C
1
P
RX—Receive Buffer
This bit indicates that a buffer has been received and its associated RX buffer descriptor is
now closed. It is set in the middle of the last stop bit of the last character that is written to the
receive buffer.
Figure 16-117. SMCx UART Interrupt Example
LINE IDLE
10 CHARACTERS
CHARACTERS
RECEIVED BY SMC UART
TIME
RXD
LINE IDLE
LINE IDLE
7 CHARACTERS
LINE IDLE
TXD
RX
RX
TX
BREAK
BRK
NOTES:
1. The first RX event assumes receive buffers are six bytes each.
2. The second RX event position is programmable based on the max_IDL value.
3. The BRK event occurs after the first break character is received.
NOTE: The TX event assumes all seven characters were put into a single buffer, and the TX event occurred when the seventh
character was written to the SMC transmit FIFO.
SMC UART SMCE
EVENTS
CHARACTERS
TRANSMITTED BY SMC UART
SMC UART SMCE
EVENTS
BRKE
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