參數(shù)資料
型號(hào): 82C900
廠商: SIEMENS AG
英文描述: Standalone TwinCAN Controller(獨(dú)立 雙CAN控制器)
中文描述: 獨(dú)立TwinCAN控制器(獨(dú)立雙的CAN控制器)
文件頁數(shù): 20/29頁
文件大?。?/td> 488K
代理商: 82C900
82C900
Data Sheet
20
V 1.0D3, 2001-03
Preliminary
AC Characteristics
Operating Conditions apply.
Assuming a maximum access rate from an external host to the CAN RAM via the
communication interface (worst case, parallel interface), the CAN protocol can still be
handled on both nodes with 1 Mbps if the clock frequency f
CAN
is 24 MHz. For additional
data handling features (FIFO, gateway, etc.), a higher frequency should be used, the
access rate to the device has to be reduced or a lower baud rate has to be selected.
Under worst case access conditions and CAN traffic, a baud rate of 500 kbps for each
node can be achieved with full data handling functionality with f
CAN
=24 MHz.
CAN input delay, output delay: typ. 15 ns
Table 6
Parameter
External Clock Drive XTAL1
Symbol
Direct Drive (1:1)
min.
40
10
15
Unit
max.
Oscillator period
1)
High time
Low time
1)
The clock input signal must reach the defined levels
V
IL
and
V
IH
.
T
CAN
ns
ns
ns
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