參數(shù)資料
型號: HD4-15530-8
廠商: HARRIS SEMICONDUCTOR
元件分類: 網(wǎng)絡(luò)接口
英文描述: CMOS Manchester Encoder-Decoder
中文描述: DATACOM, MANCHESTER ENCODER/DECODER, CQCC28
文件頁數(shù): 5/12頁
文件大?。?/td> 169K
代理商: HD4-15530-8
5-146
How to Make Our MTU Look Like a Manchester Encoded UART
Typical Timing Diagrams for a Manchester Encoded UART
FIGURE 4. ENCODER TIMING
FIGURE 5. DECODER TIMING
FIGURE 3.
1
2
3
4
5
6
7
8
9
10
11
12
16
17
18
19
20
21
22
23
24
15
14
13
VALID WORD
DECODER
ENCODER CLK
BIPOLAR
ZERO IN
BIPOLAR
ONE IN
UNIPOLAR
DATA IN
COMMAND
SYNC
DECODER
RESET
V
CC
SYNC
SELECT
ENCODER
ENABLE
BIPOLAR
ONE OUT
BIPOLAR
ZERO OUT
MASTER
RESET
OUTPUT
INHIBIT
A
74LS164
B
CK H
A
74LS164
B
CK
PARALLEL OUT
O
H
SH/LD CK SI
74165
CK
74165
PARALLEL IN
SH/LD
O
H
ENCODER ENABLE
SYNC SELECT
PARALLEL IN
VALID
VALID
BIPOLAR ONE OUT
BIPOLAR ZERO OUT
SYNC
MSB
LSB
PARITY
P
P
SYNC
MSB
LSB
PARITY
P
BIPOLAR ONE IN
BIPOLAR ZERO IN
COMMAND SYNC
PARALLEL OUT
VALID WORD
FROM
PREVIOUS
RECEPTION
VALID
VALID
P
HD-15530
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