参数资料
型号: DS26503L
英文描述: T1/E1/J1 BITS Element
中文描述: T1/E1/J1收发BITS的元素
文件页数: 15/123页
文件大小: 995K
代理商: DS26503L
DS26503 T1/E1/J1 BITS Element
15 of 123
4.
PIN FUNCTION DESCRIPTION
4.1 Transmit PLL
NAME
TYPE
FUNCTION
PLL_OUT
O
Transmit PLL Output.
1544kHz, 2048kHz, 64kHz, or 6312kHz output from
the internal TX PLL.
Transmit Clock Input.
A 64kHz, 1.544MHz, 2.048MHz, or 6312kHz
primary clock. May be selected by the TX PLL mux to provide a clock to the
transmit section.
TCLK
I
4.2 Transmit Side
NAME
TYPE
FUNCTION
TSER
I
Transmit Serial Data.
Source of transmit data sampled on the falling edge of
the selected transmit clock.
TSYNC.
When in “input” mode, a pulse at this pin will establish either frame
or multiframe boundaries for the transmit side. In output mode, the pin can be
programmed to output a frame or multiframe sync pulse useful for aligning
data.
Transmit Clock Output.
Buffered clock that is used to clock data through the
transmit-side formatter (i.e., either TCLK or RCLK).
Transmit Positive-Data Output.
In T1 or E1 mode, updated on the rising
edge of TCLKO with the bipolar data out of the transmit-side formatter. Can
be programmed to source NRZ data via the output-data format (IOCR1.0)
control bit. In 6312 mode, this pin is low.
Transmit Negative-Data Output.
In T1 or E1 mode, updated on the rising
edge of TCLKO with the bipolar data out of the transmit-side formatter. In
6312 mode, this pin is low.
TS
I/O
TCLKO
O
TPOSO
O
TNEGO
O
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