TC1163 Datasheet, PDF (54/134 Pages) Infineon Technologies AG – 32-Bit Single-Chip Microcontroller TriCore

TC1163/TC1164
Preliminary
Functional Description
Features
• 8 independent DMA channels
– 8 DMA channels in the DMA Sub-Block
– Up to 8 selectable request inputs per DMA channel
– 2-level programmable priority of DMA channels within the DMA Sub-Block
– Software and hardware DMA request
– Hardware requests by selected on-chip peripherals and external inputs
• Programmable priority of the DMA Sub-Blocks on the bus interfaces
• Buffer capability for move actions on the buses (at least 1 move per bus is buffered).
• Individually programmable operation modes for each DMA channel
– Single Mode: stops and disables DMA channel after a predefined number of DMA
transfers
– Continuous Mode: DMA channel remains enabled after a predefined number of
DMA transfers; DMA transaction can be repeated.
– Programmable address modification
• Full 32-bit addressing capability of each DMA channel
– 4 Gbyte address range
– Support of circular buffer addressing mode
• Programmable data width of DMA transfer/transaction: 8-bit, 16-bit, or 32-bit
• Micro Link bus interface support
• Register set for each DMA channel
– Source and destination address register
– Channel control and status register
– Transfer count register
• Flexible interrupt generation (the service request node logic for the MLI channels is
also implemented in the DMA module)
• All buses connected to the DMA module must work at the same frequency.
• Read/write requests of the System Bus side to the peripherals on DMA Bus are
bridged to the DMA Bus (only the DMA is the master on the DMA bus), allowing easy
access to these peripherals by PCP and CPU
Memory Checker
The Memory Checker Module (MCHK) makes it possible to check the data consistency
of memories. Any SPB bus master may access the memory checker. It is preferable the
DMA does it as described hereafter. It uses DMA 8-bit, 16-bit, or 32-bit moves to read
from the selected address area and to write the value read in a memory checker input
register. With each write operation to the memory checker input register, a polynomial
checksum calculation is triggered and the result of the calculation is stored in the
memory checker result register.
The memory checker uses the standard Ethernet polynomial, which is given by:
G³² = x³²+ x²⁶+ x²³+ x²²+ x¹⁶+ x¹²+ x¹¹+ x¹⁰+ x⁸+ x⁷+ x⁵+ x⁴+ x²+ x +1
Data Sheet
50
V1.0, 2008-04