參數(shù)資料
型號(hào)： MPC823UM_REV1_16-CPM7
廠商： Motorola, Inc.
英文描述： 10 AMP SUBMINIATURE POWER RELAY
中文描述： 通信處理器模塊
文件頁(yè)數(shù)： 18/74頁(yè)
文件大小： 234K
代理商： MPC823UM_REV1_16-CPM7
Communication Processor Module
16-396
MPC823 REFERENCE MANUAL
MOTOROLA
S
C
1
P
PM—Parity Mode
0 = Odd parity.
1 = Even parity.
SM—SMCx Mode
00 = GCI or SCIT support.
01 = Reserved.
10 = UART mode (must be selected for SMCx UART operation).
11 = Totally Transparent mode.
DM—Diagnostic Mode
00 = Normal mode.
01 = Local loopback mode.
10 = Echo mode.
11 = Reserved.
TEN—SMCx Transmit Enable
0 = SMCx transmitter disabled.
1 = SMCx transmitter enabled.
REN—SMCx Receive Enable
0 = SMCx receiver disabled.
1 = SMCx receiver enabled.
16.11.6.11 SMCx UART RECEIVE BUFFER DESCRIPTOR.
Using the buffer descriptors,
the communication processor module reports information about the received data on a
per-buffer basis. It then closes the current buffer, generates a maskable interrupt, and starts
receiving data into the next buffer when one of the following events occurs:
An error is received while a message is being processed.
A full receive (RX) buffer is detected.
A programmable number of consecutive idle characters are received.
Note:
The communication processor module sets all the status bits in this buffer
descriptor, but you must clear them before submitting the buffer descriptor to the
communication processor module.
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
OFFSET + 0
E
RES
W
I
RESERVED
CM
ID
RESERVED
BR
FR
PR
RES
OV
RES
OFFSET + 2
DATA LENGTH
OFFSET + 4
RX DATA BUFFER POINTER
OFFSET + 6
NOTE:
You are only responsible for initializing the items in bold.
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