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参数资料
| 型号： | SPC5632MF0MLQA4 |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | FLASH, 40 MHz, MICROCONTROLLER, PQFP144 |
| 封装： | 20 X 20 MM, 0.50 MM PITCH, 1.40 HEIGHT, ROHS COMPLIANT, LQFP-144 |
| 文件页数： | 32/122页 |
| 文件大小： | 1173K |
| 代理商： | SPC5632MF0MLQA4 |
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Overview
MPC5634M Microcontroller Data Sheet, Rev. 6
Freescale Semiconductor
17
Interface to the flash array controller is pipelined with a depth of one, allowing overlapped accesses to proceed in
parallel for interleaved or pipelined flash array designs
Configurable access timing allowing use in a wide range of system frequencies
Multiple-mapping support and mapping-based block access timing (0-31 additional cycles) allowing use for emulation
of other memory types
Software programmable block program/erase restriction control
Erase of selected block(s)
Read page size of 128 bits (four words)
ECC with single-bit correction, double-bit detection
Program page size of 128 bits (four words) to accelerate programming
ECC single-bit error corrections are visible to software
Minimum program size is two consecutive 32-bit words, aligned on a 0-modulo-8 byte address, due to ECC
Embedded hardware program and erase algorithm
Erase suspend, program suspend and erase-suspended program
Shadow information stored in non-volatile shadow block
Independent program/erase of the shadow block
1.3.10
SRAM
The MPC5634M SRAM module provides a general-purpose up to 94 KB memory block. The SRAM controller includes these
features:
Supports read/write accesses mapped to the SRAM memory from any master
32 KB or 24 KB block powered by separate supply for standby operation
Byte, halfword, word and doubleword addressable
ECC performs single-bit correction, double-bit detection on 32-bit data element
1.3.11
BAM
The BAM (Boot Assist Module) is a block of read-only memory that is programmed once by Freescale and is identical for all
MPC5634M MCUs. The BAM program is executed every time the MCU is powered-on or reset in normal mode. The BAM
supports different modes of booting. They are:
Booting from internal flash memory
Serial boot loading (A program is downloaded into RAM via eSCI or the FlexCAN and then executed)
Booting from external memory on calibration bus
The BAM also reads the reset configuration half word (RCHW) from internal flash memory and configures the MPC5634M
hardware accordingly. The BAM provides the following features:
Sets up MMU to cover all resources and mapping all physical address to logical addresses with minimum address
translation
Sets up the MMU to allow user boot code to execute as either Classic PowerPC Book E code (default) or as Freescale
VLE code
Detection of user boot code
Automatic switch to serial boot mode if internal flash is blank or invalid
Supports user programmable 64-bit password protection for serial boot mode
Supports serial bootloading via FlexCAN bus and eSCI using Freescale protocol
Supports serial bootloading via FlexCAN bus and eSCI with auto baud rate sensing
Supports serial bootloading of either Classic Power Architecture Book E code (default) or Freescale VLE code
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SPC5632MF0MLQA6 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:microcontroller units (MCUs) |
| SPC5632MF0MLQA8 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:microcontroller units (MCUs) |
| SPC5632MF0MLUA4 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:microcontroller units (MCUs) |
| SPC5632MF0MLUA6 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:microcontroller units (MCUs) |
| SPC5632MF0MLUA8 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:microcontroller units (MCUs) |
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