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參數(shù)資料
| 型號(hào)： | PS2000ACQ |
| 英文描述： | A Network Communication Controller Designed to Connect Any MCU Application System To A Gateway(單片網(wǎng)絡(luò)通信控制器,用于控制MCU和網(wǎng)絡(luò)服務(wù)器之間的信息交換) |
| 中文描述： | 通信控制器的網(wǎng)絡(luò)連接任何設(shè)計(jì)單片機(jī)應(yīng)用系統(tǒng)到一個(gè)網(wǎng)關(guān)（單片網(wǎng)絡(luò)通信控制器，用于控制微控制器和網(wǎng)絡(luò)服務(wù)器之間的信息交換） |
| 文件頁數(shù)： | 26/54頁 |
| 文件大?。?/td> | 594K |
| 代理商： | PS2000ACQ |
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PS2000A Datasheet
Doc. Number:
TECINHD001
Version 1.0
3/1/2002
P&S DataCom Corporation
22
The timing of PS2000A receiving data from the MCU is shown in Figure 16.
The first byte is the length m of the data packet
The first byte data
The second byte data
The third byte data
/INT holding high level
/CS
CLK
DI
>10
μ
s
…
…
…
…
The mth byte data
The (m+1)th byte data
/INT holding high level
/CS
CLK
DI
End of the receiving data process of PSM2000/2001
Figure 16 Time sequence of PS2000A receiving data from MCU
The expanded CLK and DI timing is shown in Figure 17.
CLK
DI
D7
D6
D5
D4
>4
μ
s
≥
>4
μ
s
≥
Figure 17 Expanded CLK and DI Timing
9.4.2
I
2
C Mode Timing
The I
2
C interface of the PS2000A is compatible with the I
2
C-Bus Specification Version
2.0-1992. It supports both low-speed mode and fast-speed mode; and the bit speed rate is
from 0~400kbit/s. The PS2000A adopts 7 bits fixed address code and the address value is
01111111 R/W b. The PS2000A doesn’t identify the broadcast address (00h); e.g. the
signal which is sent with the broadcast address can not be received by the PS2000A. Any
slave device can be connected to the I
2
C-bus of the PS2000A, if the address is different.
End of the receiving data process of PS2000A
≥
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