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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： | 46/73页 |
| 文件大小： | 646K |
| 代理商： | MSM6636RS |
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MSM6636/6636B User’s Manual
Application Example
6 – 3
6.2
Initialization Routine Example
POWER ON
Reset MSM6636/6636B
Set mode.
Write to address 2AH.
Set physical address.
Write to address 2BH.
Set functional address.
Write to addresses
2CH-3AH.
Set interrupt
enable flag.
Write to addresses
25H-27H.
Set initialization
completion command.
Write to address
21H.
Initialization
completed
Set the
RES pin to a low level to reset the device.
Set division ratio of source oscillation (D2 to D0).
Select NAK return yes/no (NAK).
Set automatic retransmission function (N1, N0).
This setting is kept until the device is powered down and is not reset
by the
RES pin input.
Set a physical address (ID).
Write an inherent address on the network.
This setting is not reset by the
RES pin input.
Set the function address register.
Up to 15 types of address values can be used.
Even if 15 types are not used for functional addressing, all 15 bytes are filtered.
Therefore set the functional address value in all address areas from the host CPU
during initial setting.
(For example, write the same functional address value in unnecessary address areas.)
Set an interrupt enable flag.
(See Section 3.8, Interrupt Enable Flag IE.)
At reset, all the flags are disabled for interrupt.
After reset, be sure to set an initialization command.
The message reception
d
response reception are enabled by writing in address 21H.
The data to be written is not specified.
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