PSB21473FV13XT Infineon Technologies, PSB21473FV13XT Datasheet - Page 310
PSB21473FV13XT
Manufacturer Part Number
PSB21473FV13XT
Description
Manufacturer
Infineon Technologies
Datasheet
1.PSB21473FV13XT.pdf
(664 pages)
Specifications of PSB21473FV13XT
Operating Supply Voltage (typ)
3.3V
Operating Supply Voltage (min)
3.135V
Operating Supply Voltage (max)
3.6V
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
144
Lead Free Status / RoHS Status
Compliant
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•
Figure 17-23 Transmit Data Flow
17.3.6
This non-HDLC mode is selected by setting MODE2...0 to ’100’. In extended transparent
mode fully transparent data transmission/reception without HDLC framing is performed
i.e. without FLAG generation/recognition, CRC generation/check, bitstuffing mechanism.
This allows user specific protocol variations.
17.3.6.1 Transmitter
The transmitter sends the data out of the FIFO without manipulation. Transmission is
always IOM-frame aligned and byte aligned, i.e. transmission starts in the first selected
channel (e.g. B1, B2, D) of the next IOM-frame.
The FIFO indications and commands are the same as in other modes.
If the microcontroller sets XTF & XME the transmitter responds with an XPR interrupt
after sending the last byte, then it returns to its idle state (sending continuous ‘1’).
If the cts (clear to send) signal is set to “0” during transmission the transparent HDLC
controller responds always with an XMR (transmit message repeat) interrupt and stops
transmission.
If the CPU fails to respond to an XPR interrupt in time and the transmitter runs out of data
then it will assert an XDU (transmit data underrun) interrupt.
17.3.6.2 Receiver
The reception is IOM-frame aligned and byte aligned, like transmission, i.e. reception
starts in the first selected channel (B1, B2, D on IOM-2) of the next IOM frame. The FIFO
indications and commands are the same as in other modes.
Transmit Transparent Frame
*
1)
Extended Transparent Mode
The CRC is generated by default.
If EXMR.XCRC is set no CRC is appended
(XTF)
FLAG
IOM-2 Handler, TIC/CI Handler and HDLC Controller
ADDRESS
ADDR
310
XFIFO
CONTROL
CTRL
I
DATA
CHECKRAM
CRC
*
1)
fifoflow_tran.vsd
PSB 21473
FLAG
2003-03-31
INCA-D
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