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参数资料
| 型号： | MSM6636RS |
| 厂商： | LAPIS SEMICONDUCTOR CO LTD |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 1 CHANNEL(S), 41.6K bps, LOCAL AREA NETWORK CONTROLLER, PDIP18 |
| 封装： | 0.300 INCH, 2.54 MM PITCH, PLASTIC, DIP-18 |
| 文件页数： | 43/73页 |
| 文件大小： | 646K |
| 代理商： | MSM6636RS |
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MSM6636/6636B User’s Manual
Application Example
6 – 1
6. APPLICATION EXAMPLE
6.1
Host CPU and J1850 Line Connection Example
1)
Example of connection of host CPU and J1850 line with the MSM6636 is shown below.
SOUT
Host CPU
MSM6636
Unit A
RXD
DV
DD
AV
DD
SIN
TXD
BO(+)
INT
CLKOUT
OSC0
BI(+)
OSC1
OPEN
SCLK/PAE
BI(–)
C
(*1)
U-C
M-N
BO(–)
R
S
R
S
ZD
R
B
R
B
R
P
R
D
A-D
AGND
DGND
RES
ZD
Unit B
Bus+
Bus–
The above connection example is when “UART, MPC and 'parity no' mode” is used as the host CPU interface, and
when “CLKOUT output of the host CPU” is used as the clock for the MSM6636.
An optimum system can be constructed by selecting an optimum host CPU (number of ports, A/D converter
yes/no) for the control target and combining it with the MSM6636.
*1
Insert a capacitor between the power supply and GND as a countermeasure for noise.
It is recommended that a small-capacitance bypass capacitor and a large-capacitance filter capacitor be
connected in parallel. Typical capacitors are as follows:
0.01 to 0.22 F:
Ceramic capacitor
10 to 100 F:
Tantalum capacitor
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