PSB21473FV13XT Infineon Technologies, PSB21473FV13XT Datasheet - Page 308
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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Data Sheet
Figure 17-21 Data Transmission Procedure
The following description gives an example with FIFO size of 64 byte for the transmission
of a 76 byte frame with a selected block size of 32 byte:
The host writes 32 bytes to the XFIFO, issues an XTF command and waits for an XPR
interrupt in order to continue with entering data.
The HDLC controller immediately issues an XPR interrupt (as remaining XFIFO space
is not used) and starts transmission.
Due to the XPR interrupt the host writes the next 32 bytes to the XFIFO, followed by the
XTF command, and waits for XPR.
As soon as the last byte of the first block is transmitted, the HDLC controller issues an
XPR interrupt (XFIFO space of first data block is free again) and continues transmitting
the second block.
The host writes the remaining 12 bytes of the frame to the XFIFO and issues the XTF
command together with XME to indicate that this is the end of frame.
Command
XTF
IOM-2 Handler, TIC/CI Handler and HDLC Controller
N
N
Write Data
(up to 32 Bytes
or M/2 Bytes)
to XFIFO
Issue Command
- XME or
- XTF+XME
308
Pool Ready
Message
Transmit
START
End of
XPR
End
?
?
Y
Y
macro_13.vsd
PSB 21473
2003-03-31
INCA-D
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