参数资料
型号: AT91SAM7SE32B-CU
厂商: Atmel
文件页数: 17/47页
文件大小: 0K
描述: IC MCU ARM7 32KB FLASH 144LFBGA
标准包装: 240
系列: SAM7SE
核心处理器: ARM7
芯体尺寸: 16/32-位
速度: 55MHz
连通性: EBI/EMI,I²C,SPI,SSC,UART/USART,USB
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 88
程序存储器容量: 32KB(32K x 8)
程序存储器类型: 闪存
RAM 容量: 8K x 8
电压 - 电源 (Vcc/Vdd): 1.65 V ~ 1.95 V
数据转换器: A/D 8x10b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 144-LFBGA
包装: 托盘
24
6222GS–ATARM–6-Sep-11
SAM7SE512/256/32 Summary
Figure 8-2.
Internal Memory Mapping with GPNVM Bit 2 = 0 (default)
Figure 8-3.
Internal Memory Mapping with GPNVM Bit 2 = 1
8.1.2
Embedded Flash
8.1.2.1
Flash Overview
The Flash of the SAM7SE512 is organized in two banks (dual plane) of 1024 pages of 256
bytes. It reads as 131,072 32-bit words.
The Flash of the SAM7SE256 is organized in 1024 pages (single plane) of 256 bytes. It reads as
65,536 32-bit words.
The Flash of the SAM7SE32 is organized in 256 pages (single plane) of 128 bytes. It reads as
8192 32-bit words.
The Flash of the SAM7SE32 contains a 128-byte write buffer, accessible through a 32-bit
interface.
The Flash of the SAM7SE512/256 contains a 256-byte write buffer, accessible through a 32-bit
interface.
256M Bytes
ROM Before Remap
SRAM After Remap
Undefined Areas
(Abort)
0x000F FFFF
0x001F FFFF
0x002F FFFF
0x0FFF FFFF
1 M Bytes
252 M Bytes
Internal FLASH
Internal SRAM
0x0000 0000
0x0010 0000
0x0020 0000
0x0030 0000
Internal ROM
0x003F FFFF
0x0040 0000
1 M Bytes
256M Bytes
Flash Before Remap
SRAM After Remap
Undefined Areas
(Abort)
0x000F FFFF
0x001F FFFF
0x002F FFFF
0x0FFF FFFF
1 M Bytes
252 M Bytes
Internal FLASH
Internal SRAM
0x0000 0000
0x0010 0000
0x0020 0000
0x0030 0000
Internal ROM
0x003F FFFF
0x0040 0000
1 M Bytes
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