參數(shù)資料
型號(hào)： IDT82V2048SDAG
廠商： IDT, Integrated Device Technology Inc
文件頁(yè)數(shù)： 62/62頁(yè)
文件大?。?/td> 0K
描述： IC LIU T1/E1 8CH SHORT 144-TQFP
標(biāo)準(zhǔn)包裝： 5,000
類型： 線路接口裝置（LIU）
規(guī)程： E1
電源電壓： 3.13 V ~ 3.47 V
安裝類型： 表面貼裝
封裝/外殼： 144-LQFP
供應(yīng)商設(shè)備封裝： 144-TQFP（20x20）
包裝： 托盤
其它名稱： 82V2048SDAG
9
IDT82V2048S OCTAL T1/E1 SHORT HAUL LIU WITH SINGLE ENDED
INDUSTRIAL TEMPERATURE RANGES
SDO/RDY/ACK
O83
K14
SDO: Serial Data Output
In serial host mode, the data is output on this pin. In serial write operation, SDO is always in high-Z. In
serial read operation, SDO is in high-Z only when SDI is in address/command byte. Data on pin SDO is
clocked out of the device on the falling edges of SCLK if pin CLKE is high, or on the rising edges of SCLK
if pin CLKE is low.
RDY: Ready Output
In parallel Intel host mode, the high level of this pin reports to the host that bus cycle can be completed,
while low reports the host must insert wait states.
ACK: Acknowledge Output (Active Low)
In parallel Motorola host mode, the low level of this pin indicates that valid information on the data bus is
ready for a read operation or acknowledges the acceptance of the written data during a write operation.
INT
O
Open
Drain
82
K13
INT: Interrupt (Active Low)
This is an open drain, active low interrupt output. Four sources may cause the interrupt. Refer to 2.19
LP7/D7/AD7
LP6/D6/AD6
LP5/D5/AD5
LP4/D4/AD4
LP3/D3/AD3
LP2/D2/AD2
LP1/D1/AD1
LP0/D0/AD0
I/O
High-Z
28
27
26
25
24
23
22
21
K1
J1
J2
J3
J4
H2
H3
G2
LPn: Loopback Select 7~0
In hardware control mode, pin LPn configures the corresponding channel in different loopback mode, as
follows:
Refer to 2.17 Loopback Mode for details.
Dn: Data Bus 7~0
In non-multiplexed host mode, these pins are the bi-directional data bus.
ADn: Address/Data Bus 7~0
In multiplexed host mode, these pins are the multiplexed bi-directional address/data bus.
In serial host mode, these pins should be grounded.
Table-1 Pin Description (Continued)
Name
Type
Pin No.
Description
TQFP144 PBGA160
LPn
Loopback Configuration
Low
Remote Loopback
VDDIO/2
No loopback
High
Analog Loopback
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