SPC560P34L1 datasheet(15/103 Pages) STMICROELECTRONICS

15 / 103 page

SPC560P34L1, SPC560P34L3, SPC560P40L1, SPC560P40L3

Introduction

Doc ID 16100 Rev 7

15/103

The flash memory module provides the following features:

●

As much as 320 KB flash memory

–

6 blocks (32 KB + 2×16 KB + 32 KB + 32 KB + 128 KB) code flash memory

–

4 blocks (16 KB + 16 KB + 16 KB + 16 KB) data flash memory

–

Full Read-While-Write (RWW) capability between code flash memory and data

flash memory

●

Four 128-bit wide prefetch buffers to provide single cycle in-line accesses (prefetch

buffers can be configured to prefetch code or data or both)

●

Typical flash memory access time: no wait-state for buffer hits, 2 wait-states for page

buffer miss at 64 MHz

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Hardware managed flash memory writes handled by 32-bit RISC Krypton engine

●

Hardware and software configurable read and write access protections on a per-master

basis

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Configurable access timing allowing use in a wide range of system frequencies

●

Multiple-mapping support and mapping-based block access timing (up to 31 additional

cycles) allowing use for emulation of other memory types

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Software programmable block program/erase restriction control

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Erase of selected block(s)

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Read page sizes

–

Code flash memory: 128 bits (4 words)

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Data flash memory: 32 bits (1 word)

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ECC with single-bit correction, double-bit detection for data integrity

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Code flash memory: 64-bit ECC

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Data flash memory: 32-bit ECC

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Embedded hardware program and erase algorithm

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Erase suspend and program abort

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Censorship protection scheme to prevent flash memory content visibility

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Hardware support for EEPROM emulation

1.5.5

Static random access memory (SRAM)

The SPC560P34/SPC560P40 SRAM module provides up to 20 KB of general-purpose

memory.

The SRAM module provides the following features:

●

Supports read/write accesses mapped to the SRAM from any master

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Up to 20 KB general purpose SRAM

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Supports byte (8-bit), half word (16-bit), and word (32-bit) writes for optimal use of

memory

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Typical SRAM access time: no wait-state for reads and 32-bit writes; 1 wait-state for 8-

and 16-bit writes if back-to-back with a read to same memory block

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