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參數(shù)資料
| 型號： | AS2574BN |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | 20 NUMBER ONE TOUCH DIALLER WITH SERIAL BUS FOR DISPLAY DRIVER |
| 中文描述： | TELEPHONE DIALER CKT, PQCC28 |
| 封裝： | PLASTIC, LCC-28 |
| 文件頁數(shù)： | 6/24頁 |
| 文件大?。?/td> | 191K |
| 代理商： | AS2574BN |
Data Sheet
AS2574B
Rev. 1
6
Jan. 1995
No
Symbol/command
MSB
B3
B2
B1
LSB
HEX
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
0
1
2
3
4
5
6
7
8
9
a
b
c
d
*
#
1
0
0
0
1
1
1
0
0
0
0
1
0
1
1
1
1
1
0
0
0
1
0
0
1
0
0
0
1
1
1
1
1
0
0
0
0
0
0
1
1
1
0
0
1
1
1
1
1
1
0
0
0
0
1
0
1
1
1
1
0
0
1
0
1
0
1
0
0
1
0
0
1
0
1
1
1
1
0
0
0
0
0
1
0
0
0
1
1
0
1
1
0
1
1
1
0
0
0
1
0
0
1
0
0
1
1
1
1
1
0
1
1
0
0
0
1
0
0
1
1
1
0
1
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1C
00
04
02
10
14
12
08
0C
0A
06
16
0E
1E
18
1A
1B
19
01
05
03
11
09
07
1F
0B
0D
0F
13
15
1D
17
Pause
Temporary MF select
Recall
LS on
LS off
MT on
MT off
2nd on
2nd off
Set Clock
Start
Start copy
Start FIFO
Start timer
Blank all
Test mode
Serial Interface
The AS2574B supports a serial bus. The protocol
defines device that sends data onto the bus as a
transmitter, and the receiving device as the receiver. The
AS2574B is controlling the transfer and hence the
master. The display driver, AS2590, being controlled is
the slave.
Clock and Data Conventions
Data states on the SDA line can change only during SCL
low. SDA state changes during SCL high are reserved
for indicating start and stop conditions (see figure 1).
Start Condition
All commands are preceded by the start condition, which
is a high to low transition of SDA when SCL is high.
Stop Condition
All communications are terminated by a stop condition,
which is low to high transition of SDA when SCL is high.
START
BIT
SDA
SCL
BIT 0
BIT 1 …
… BIT 4
STOP BIT
WORD
GAP
Figure 1: Data Transmission
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AS2574BP | 20 NUMBER ONE TOUCH DIALLER WITH SERIAL BUS FOR DISPLAY DRIVER |
| AS2578 | TELEPHONE CONTROLLER WITH 13 MEMORIES AND 2-WIRE BUS |
| AS2578B | TELEPHONE CONTROLLER WITH 13 MEMORIES AND 2-WIRE BUS |
| AS2578BN | TELEPHONE CONTROLLER WITH 13 MEMORIES AND 2-WIRE BUS |
| AS2578BP | TELEPHONE CONTROLLER WITH 13 MEMORIES AND 2-WIRE BUS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AS2574BP | 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:20 NUMBER ONE TOUCH DIALLER WITH SERIAL BUS FOR DISPLAY DRIVER |
| AS2575 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage-Mode SMPS Controller |
| AS2576 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage-Mode SMPS Controller |
| AS25760FLF | 制造商:TT Electronics / IRC 功能描述:AS25760FLF |
| AS25760HLF | 制造商:TT Electronics / IRC 功能描述:AS25760HLF |
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