參數(shù)資料
型號(hào)： AK2546
廠商： Asahi Kasei Microsystems Co.,Ltd
英文描述： 7 channel T1 Transceiver
中文描述： 7頻道T1收發(fā)器
文件頁(yè)數(shù)： 7/27頁(yè)
文件大小： 123K
代理商： AK2546
ASAHI K ASEI [AK2546]
C0019-E-01 1999/9
7
PIN DESCRIPTIONS
Pin Name
I/O
Function
Comment
T1 Transceiver
TTIP1-7
TRING1-7
O
O
Transmit Tip/Ring Output
Bipolar output over transmit transformer
TPOS1-7
TNEG1-7
I
I
Transmit Positive/Negative Data Input
Input on the falling edge of TCLK
TCLK1-7
I
Transmit Clock Input
RTIP1-7
RRING1-7
I
I
Receive Tip/Ring Input
Bipolar Input over receive transformer
RPOS1-7
RNEG1-7
O
O
Receive Positive/Negative Data Output
Output on the falling edge of RCLK
RCLK1-7
O
Receive Clock Output recovered from receive data input
LOS1-7
O
Loss of signal output
Output “high” when detect loss of signal
LOSx output is not masked by MLOSx register.
TVDD1-7
Positive Power Supply for the Transmit Driver
TVSS1-7
Negative Power Supply for the Transmit Driver
AVSS1-8
Common Block
Analog ground
MCLK
I
1.544MHz or 24.704MHz External Reference Clock Input
AS(ALE)
I
Address Select(Address Latch Enable) Input
INT
O
Interrupt Output(PMOS open drain, should be tied to GND through
a resistor), Active High, INT output goes “high” when the alarm is
reported to any one of LOSx, LOTCx or LOMC registers. This pin can
be masked by MLOSx, MLOTCx or MLOMC registers.
DS(RD)
I
Data Strobe(Read Enable) Input
R/W (WR)
I
Read/Write(Write Enable) Input
CS
I
Chip Select Input
BTS
I
Bus Type Select Input
BTS=“H” : Motorola Mode
BTS=“L” : Intel Mode
AD0-AD7
I/O
Address/Data Input/Output
Used for read/write internal registers.
CLKSEL
I
MCLK Select Input
CLKSEL=“H”:1.544MHz
CLKSEL=“L”:24.704MHz
RESET
I
Reset Input
Active “Low” input pulse over 200ns initializes the internal circuit
and forces RPOSx/RNEGx output “l(fā)ow” and LOSx output “high”.
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AK2548 制造商:AKM 制造商全稱:AKM 功能描述:7 channel E1 Transceiver
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AK2572 制造商:AKM 制造商全稱:AKM 功能描述:APC for Burst Mode Applicable Direct Modulation Laser Diode
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