參數(shù)資料
型號(hào): XRT83SL216IB
廠商: EXAR CORP
元件分類(lèi): 數(shù)字傳輸電路
英文描述: 16-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT
中文描述: DATACOM, PCM TRANSCEIVER, PBGA289
封裝: 15 X 15 MM, STBGA-289
文件頁(yè)數(shù): 6/42頁(yè)
文件大?。?/td> 317K
代理商: XRT83SL216IB
XRT83SL216
4
16-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT
PIN DESCRIPTIONS
REV. 1.0.0
HOST MODE INTERFACE
SERIAL MICROPROCESSOR INTERFACE
N
AME
P
IN
T
YPE
D
ESCRIPTION
CS
J4
I
Chip Select Input
Active low signal. This signal enables the serial microprocessor interface by
pulling chip select "Low". The serial interface is disabled when the chip select
signal returns "High".
SCLK
J5
I
Serial Clock Input
The serial clock input samples SDI on the rising edge and updates SDO on the
falling edge. See the Serial Microprocessor section of this datasheet for more
details.
SDI
K5
I
Serial Data Input
The serial data input pin is used to supply an address and data string to pro-
gram the internal registers within the device. See the Serial Microprocessor
section of this datasheet for more details.
SDO
L5
O
Serial Data Output
The serial data output pin is used to retrieve the internal contents of a selected
register in readback mode. See the Microprocessor section of this datasheet
for more details.
Reset
J6
I
Hardware Reset Input
Active low signal. When this pin is pulled “Low” for more than 10μS, all internal
registers and state machines are set to their default state.
N
OTE
:
Internally pulled "High" with 50k
.
INT
K4
O
Interrupt Output
Active low signal. This signal is asserted "Low" when a change in alarm status
occurs. Once the status registers have been read, the interrupt pin will return
"High". GIE (Global Interrupt Enable) must be set "High" in the appropriate
global register to enable interrupt generation.
N
OTE
:
This pin is an open-drain output that requires an external 10K
pull-up
resistor.
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