RPC564L60L5BFSY datasheet(15/137 Pages) STMICROELECTRONICS

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RPC56EL60L5

Introduction

136

The eDMA module provides the following features:



16 channels supporting 8-, 16-, and 32-bit value single or block transfers



Support variable sized queues and circular buffered queue



Source and destination address registers independently configured to post-increment

or stay constant



Support major and minor loop offset



Support minor and major loop done signals



DMA task initiated either by hardware requestor or by software



Each DMA task can optionally generate an interrupt at completion and retirement of the

task



Signal to indicate closure of last minor loop



Transfer control descriptors mapped inside the SRAM

The eDMA controller is replicated for each processing channel.

1.5.5

On-chip flash memory with ECC

This device includes programmable, non-volatile flash memory. The non-volatile memory

(NVM) can be used for instruction storage or data storage, or both. The flash memory

module interfaces with the system bus through a dedicated flash memory array controller. It

supports a 64-bit data bus width at the system bus port, and a 128-bit read data interface to

flash memory. The module contains four 128-bit prefetch buffers. Prefetch buffer hits allow

no-wait responses. Buffer misses incur a 3 wait state response at 120 MHz.

The flash memory module provides the following features



1 MB of flash memory in unique multi-partitioned hard macro



Sectorization: 16 KB + 2 × 48 KB + 16 KB + 2 × 64 KB + 2 × 128 KB + 2 × 256 KB



EEPROM emulation (in software) within same module but on different partition



16 KB test sector and 16 KB shadow block for test, censorship device and user option

bits



Wait states:

–

3 wait states for frequencies =< 120 MHz

–

2 wait states for frequencies =< 80 MHz

–

1 wait state for frequencies =< 60 MHz



Flash memory line 128-bit wide with 8-bit ECC on 64-bit word (total 144 bits)



Accessed via a 64-bit wide bus for write and a 128-bit wide array for read operations



1-bit error correction, 2-bit error detection

1.5.6

On-chip SRAM with ECC

The RPC56EL60L5 SRAM provides a general-purpose single port memory.

ECC handling is done on a 32-bit boundary for data and it is extended to the address to

have the highest possible diagnostic coverage including the array internal address decoder.

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