參數(shù)資料
型號: AT91SAM7S256C-MU
廠商: Atmel
文件頁數(shù): 21/165頁
文件大?。?/td> 0K
描述: IC ARM7 MCU 32BIT 256K 64QFN
標(biāo)準(zhǔn)包裝: 260
系列: SAM7S
核心處理器: ARM7
芯體尺寸: 16/32-位
速度: 55MHz
連通性: I²C,SPI,SSC,UART/USART,USB
外圍設(shè)備: 欠壓檢測/復(fù)位,DMA,POR,PWM,WDT
輸入/輸出數(shù): 32
程序存儲器容量: 256KB(256K x 8)
程序存儲器類型: 閃存
RAM 容量: 64K x 8
電壓 - 電源 (Vcc/Vdd): 1.65 V ~ 1.95 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x10b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 64-VFQFN 裸露焊盤
包裝: 托盤
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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