參數(shù)資料
型號(hào)： AS5502
廠商： AUSTRIAMICROSYSTEMS AG
元件分類(lèi)： 調(diào)制器/解調(diào)器
英文描述： Multimode Powerline-Modem
中文描述： 2.4 kbps DATA, MODEM, PDSO28
封裝： SOIC-28
文件頁(yè)數(shù)： 7/26頁(yè)
文件大小： 315K
代理商： AS5502
B-Mode
Features:
- 2 wire serial bus
- 9 bit data format
- data gets clocked on rising edge and shifted on falling edge
- single and sequential write operation possible
- default polarity of signal SCLK is HIGH
- acknowledge bit (9th bit) output (0 ... data acknowledged)
- D7 is the first bit
- A2 and A1 chip-address bits are internally set to 1
valid
acknowledge
output
SCLK
SD-IN
/SD-OUT
AO/CS
1st MSB
data
nth LSB
data
WRITE OPERATION
start condition
1st LSB
data
acknowledge
output
valid
valid
stop condition
BIT SEQUENCE
1 0 1 0 1 1 A0 1 0 X X X X X X A1 A0 0 D7 D6 D5 D4 D3 D2 D1 D0
Header (8bit)
Reg. Address (8bit)
Data (8bit)
R/WN bit (0...write, 1...read)
Chip Address bits
S
t
a
r
t
A
C
K
A
C
K
S
t
o
p
A
C
K
0
1.1.2 RESET
VREF: A Band Gap Reference block is included for generation of a reference-voltage VREF
with nominal 2.5V needed for an external function (power-fail detection) and as reference for
the power on reset.
POR: A power-on reset function with external adjustable threshold and fixed off-delay
(300ms) defined by the master-clock is implemented. When pin RES-TH is floating the POR-
OFF threshold is nominal 3.75V.There is a hysteresis of typ. 100mV implemented to V-ON.
(In Test-Mode 2 and 3 the Por-delay is reduced to 1.17ms)
AS5501 / AS5502 Multimode Powerline Modem
Data Sheet
Rev A, May 2000
Page 6/25
BIT SEQUENCE
X X X X X X X 0 X X X X X X A1 A0 D7 D6 D5 D4 D3 D2 D1 D0
Header (8bit)
Reg. Address (8bit)
Data (8bit)
R/W bit (0...write, 1...read)
Command bits (available for future use)
(for A-Mode)
相關(guān)PDF資料
PDF描述
AS6UA25616 2.3V to 3.6V 256K×16 Intelliwatt low-power CMOS SRAM with one chip enable(2.3V 到 3.6V 256K×16 Intelliwatt 低功耗 CMOS 靜態(tài)RAM（帶單片使能）)
AS6UA25616-BC 2.3V to 3.6V 256K】16 Intelliwatt⑩ low-power CMOS SRAM with one chip enable
AS6UA25616-BI 2.3V to 3.6V 256K】16 Intelliwatt⑩ low-power CMOS SRAM with one chip enable
AS6UA25616-TC 2.3V to 3.6V 256K】16 Intelliwatt⑩ low-power CMOS SRAM with one chip enable
AS6UA25616-TI 2.3V to 3.6V 256K】16 Intelliwatt⑩ low-power CMOS SRAM with one chip enable
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