SAB 82526 H V2.2 Infineon Technologies, SAB 82526 H V2.2 Datasheet - Page 65
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SAB 82526 H V2.2
Manufacturer Part Number
SAB 82526 H V2.2
Description
IC CONTROLLER HSCX MQFP-44
Manufacturer
Infineon Technologies
Datasheet
1.SAB_82525_H_V2.2.pdf
(126 pages)
Specifications of SAB 82526 H V2.2
Controller Type
Serial Communications Controller (SCC)
Interface
Serial
Voltage - Supply
4.75 V ~ 5.25 V
Current - Supply
8mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
44-BQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
SAB82526HV2.2X
SP000063655
SP000063655
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6
6.1 Fully Transparent Transmission and Reception
When programmed to the extended transparent mode via the MODE register (MDS1,
MDS0 = 11), each channel of the HSCX supports fully transparent data transmission and
reception without HDLC framing overhead, i.e. without
In order to enable fully transparent data transfer, RAC bit in MODE has to be reset and FF
has to be written to XAD1, XAD2 and RAH2.
Data transmission is always performed out of the transmit FIFO by directly shifting the contents
of the XFIFO via the serial transmit data pin (T D). Transmission is initiated by setting
CMDR : XTF (08
In receive direction, the character currently assembled via the receive data line (R D) is
available in the RAL1 register. Additionally, in extended transparent mode 1 (MODE: MDS1,
MDS0, ADM = 111), the received data is shifted into the RFIFO.
This feature can be profitably used e.g. for:
Character synchronization can be achieved either in
Using clock mode 1 or 5 multiples of 8 bits received per time-slot.
6.2 Cyclic Transmission (Fully Transparent)
If the extended transparent mode is selected, the HSCX supports the continuous transmission
of the transmit FIFO’s contents.
After having written 1 to 32 bytes to the XFIFO, the command
via the CMDR register (bit 7. . .0 = "00101010" = 2AH) forces the HSCX to repeatedly transmit
the data stored in the XFIFO via T D pin.
The cyclic transmission continues until a reset command (CMDR : XRES) is issued, after
which continuous ’1’-s are transmitted.
Note: In DMA-mode the command XREP, XTF has to be written to CMDR.
Semiconductor Group
user specific protocol variations
the application of character oriented protocols (e.g. BISYNC)
test purposes, line intentionally violation of HDLC protocol rules (e.g. wrong CRC)
clock mode 1, with an external receive strobe input to A CLK pin, or
clock mode 5, with a programmed time-slot and a frame synchronization signal input to
A CLK.
Special Functions
XREP.XTF.XME
FLAG insertion and deletion
CRC generation and checking
Bit-stuffing mechanism.
H
); end of transmission is indicated by EXIR : EXE (40
65
H
).
SAB 82525
SAB 82526
SAF 82525
SAF 82526
H
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