參數(shù)資料
型號: ML9620GAZ210
廠商: OKI ELECTRIC INDUSTRY CO LTD
元件分類: 微控制器/微處理器
英文描述: 1 CHANNEL(S), 1M bps, LOCAL AREA NETWORK CONTROLLER, PQFP44
封裝: 0.80 MM PITCH, PLASTIC, QFP-44
文件頁數(shù): 19/79頁
文件大小: 449K
代理商: ML9620GAZ210
ML9620 User’s Manual
Chapter 2
Register Descriptions
2 – 9
2.2.9 CAN Optional register (CANOPT)
7
6
5
4
3
2
1
0
CANOPT
RX
Tx[1:0]
LBack
Silent
Basic
-*
reset value
0
Address
: CAN Base + 0x0A
Access
: R/W
RX bits is ‘R’
Only writable if bits Option in the CAN Control Register are set.
Access Size : 8 bits
Note
‘-’ : Reserved bits return '0' for reads and should be written '0' to them.
Operation is not guaranteed for a
writing '1' to them.
Bit Descriptions
Basic
Basic mode
0
Basic mode disabled.
1
The ML9620 is in Basic mode.
Silent
Silent mode
0
Silent mode disabled.
1
The ML9620 is in Silent mode.
LBack
Loop Back mode
0
Loop Back mode disabled.
1
The ML9620 is in Loop Back mode.
Tx [1:0]
Control of TX pin
00
Can be CAN Communications.
01
Sample Point can be monitored at TX pin.
10
TX pin drives a dominant (‘0’) value.
11
TX pin drives a dominant (‘1’) value.
RX
Monitors the actual value of the RX pin
0
The CAN bus is dominant (RX=’0’).
1
The CAN bus is recessive (RX=’1’).
Note
Write access to the Test Register is enabled by setting bit Option in the CAN Control Register.
The different
test functions may be combined, but Tx[1:0]
≠ ’00’ disturbs message transfer.
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