参数资料
型号: AT91SAM7S32B-MU-999
厂商: Atmel
文件页数: 21/165页
文件大小: 0K
描述: IC MCU ARM7 32KB FLASH 48-VQFN
产品培训模块: MCU Product Line Introduction
标准包装: 3,500
系列: SAM7S
核心处理器: ARM7
芯体尺寸: 16/32-位
速度: 55MHz
连通性: I²C,SPI,SSC,UART/USART
外围设备: 欠压检测/复位,DMA,POR,PWM,WDT
输入/输出数: 21
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: 48-VFQFN 裸露焊盘
包装: 带卷 (TR)
配用: AT91SAM-ICE-ND - EMULATOR FOR AT91 ARM7/ARM9
AT91SAM7S-EK-ND - KIT EVAL FOR ARM AT91SAM7S
117
SAM7S Series [DATASHEET]
6175M–ATARM–26-Oct-12
19.3.2
MC Flash Command Register
Register Name:MC_FCR
Access Type:
Write-only
Offset: (EFC0)
0x64
Offset: (EFC1)
0x74
FCMD: Flash Command
This field defines the Flash commands:
31
30
29
28
27
26
25
24
KEY
23
22
21
20
19
18
17
16
––––––
PAGEN
15
14
13
12
11
10
9
8
PAGEN
76543210
––––
FCMD
FCMD
Operations
0000
No command.
Does not raise the Programming Error Status flag in the Flash Status Register MC_FSR.
0001
Write Page Command (WP):
Starts the programming of the page specified in the PAGEN field.
0010
Set Lock Bit Command (SLB):
Starts a set lock bit sequence of the lock region specified in the PAGEN field.
0011
Write Page and Lock Command (WPL):
The lock sequence of the lock region associated with the page specified in the field PAGEN
occurs automatically after completion of the programming sequence.
0100
Clear Lock Bit Command (CLB):
Starts a clear lock bit sequence of the lock region specified in the PAGEN field.
1000
Erase All Command (EA):
Starts the erase of the entire Flash.
If at least one page is locked, the command is cancelled.
1011
Set General-purpose NVM Bit (SGPB):
Activates the general-purpose NVM bit corresponding to the number specified in the PAGEN
field.
1101
Clear General Purpose NVM Bit (CGPB):
Deactivates the general-purpose NVM bit corresponding to the number specified in the
PAGEN field.
1111
Set Security Bit Command (SSB):
Sets security bit.
Others
Reserved.
Raises the Programming Error Status flag in the Flash Status Register MC_FSR.
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