参数资料
型号: RM48L950PGET
厂商: TEXAS INSTRUMENTS INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 200 MHz, RISC MICROCONTROLLER, PQFP144
封装: GREEN, PLASTIC, LQFP-144
文件页数: 137/154页
文件大小: 2807K
代理商: RM48L950PGET
PRODUCTPREVIEW
SPNS174
– SEPTEMBER 2011
4.13.2 On-Chip SRAM Auto Initialization
This microcontroller allows some of the on-chip memories to be initialized via the Memory Hardware
Initialization mechanism in the System module. This hardware mechanism allows an application to
program the memory arrays with error detection capability to a known state based on their error detection
scheme (odd/even parity or ECC).
The MINITGCR register enables the memory initialization sequence, and the MSINENA register selects
the memories that are to be initialized.
For more information on these registers see the RM48x Technical Reference Manual (SPNU481).
The mapping of the different on-chip memories to the specific bits of the MSINENA registers is shown in
Table 4-26. Memory Initialization
ADDRESS RANGE
CONNECTING MODULE
MSINENA REGISTER BIT #
BASE ADDRESS
ENDING ADDRESS
RAM (PD#1)
0x08000000
0x0800FFFF
0(1)
RAM (RAM_PD#1)
0x08010000
0x0801FFFF
0(1)
RAM (RAM_PD#2)
0x08020000
0x0802FFFF
0(1)
RAM (RAM_PD#3)
0x08030000
0x0803FFFF
0(1)
MIBSPI5 RAM
0xFF0A0000
0xFF0BFFFF
12(2)
MIBSPI3 RAM
0xFF0C0000
0xFF0DFFFF
11(2)
MIBSPI1 RAM
0xFF0E0000
0xFF0FFFFF
7(2)
DCAN3 RAM
0xFF1A0000
0xFF1BFFFF
10
DCAN2 RAM
0xFF1C0000
0xFF1DFFFF
6
DCAN1 RAM
0xFF1E0000
0xFF1FFFFF
5
MIBADC2 RAM
0xFF3A0000
0xFF3BFFFF
14
MIBADC1 RAM
0xFF3E0000
0xFF3FFFFF
8
N2HET2 RAM
0xFF440000
0xFF57FFFF
15
N2HET1 RAM
0xFF460000
0xFF47FFFF
3
HET TU2 RAM
0xFF4C0000
0xFF4DFFFF
16
HET TU1 RAM
0xFF4E0000
0xFF4FFFFF
4
DMA RAM
0xFFF80000
0xFFF80FFF
1
VIM RAM
0xFFF82000
0xFFF82FFF
2
USB Device RAM
RAM is not CPU-Addressable
n/a
Ethernet RAM (CPPI Memory
0xFC520000
0xFC521FFF
n/a
Slave)
(1)
The TCM RAM wrapper has separate control bits to select the RAM power domain that is to be auto-initialized.
(2)
The MibSPIx modules perform an initialization of the transmit and receive RAMs as soon as the multi-buffered mode is enabled. This is
independent of whether the application chooses to initialize the MibSPIx RAMs using the system module auto-initialization method.
Copyright
2011, Texas Instruments Incorporated
System Information and Electrical Specifications
83
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