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: 44/73页
文件大小: 646K
代理商: MSM6636RS
MSM6636/6636B User’s Manual
Application Example
6 – 2
2)
Example of connection of host CPU and LAN bus with the MSM6636B is shown below.
AD0-7
Host CPU
MSM6636B
Unit A
AD0-7
DV
DD
AV
DD
ALE
BO(+)
RD
INT
RD
WR
Pxx
CLKOUT
WR
BI(+)
CS
INT
BI(–)
C
(*1)
OSC0
BO(–)
R
S
R
S
ZD
R
B
R
B
R
P
R
D
OPEN
AGND
DGND
RES
OSC1
RES
ZD
Unit B
Bus+
Bus–
8
The adove connection example is when “parallel interface” is used as the host CPU intreface, and when
“CLKOUT output of the host CPU” is used as the clock for the MSM6636B.
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 MSM6636B.
*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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