參數(shù)資料
型號: AT91SAM7S32B-MU
廠商: Atmel
文件頁數(shù): 6/165頁
文件大?。?/td> 0K
描述: IC MCU ARM7 32KB FLASH 48-VQFN
產(chǎn)品培訓(xùn)模塊: MCU Product Line Introduction
標(biāo)準(zhǔn)包裝: 250
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
外圍設(shè)備: 欠壓檢測/復(fù)位,DMA,POR,PWM,WDT
輸入/輸出數(shù): 21
程序存儲器容量: 32KB(32K x 8)
程序存儲器類型: 閃存
RAM 容量: 8K 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: 48-VFQFN 裸露焊盤
包裝: 托盤
配用: AT91SAM-ICE-ND - EMULATOR FOR AT91 ARM7/ARM9
AT91SAM7S-EK-ND - KIT EVAL FOR ARM AT91SAM7S
103
SAM7S Series [DATASHEET]
6175M–ATARM–26-Oct-12
18.4.2
MC Abort Status Register
Register Name:MC_ASR
Access Type:
Read-only
Reset Value:0x0
Offset:0x04
UNDADD: Undefined Address Abort Status
0: The last abort was not due to the access of an undefined address in the address space.
1: The last abort was due to the access of an undefined address in the address space.
MISADD: Misaligned Address Abort Status
0: The last aborted access was not due to an address misalignment.
1: The last aborted access was due to an address misalignment.
ABTSZ: Abort Size Status.
ABTTYP: Abort Type Status.
MST0: PDC Abort Source
0: The last aborted access was not due to the PDC.
1: The last aborted access was due to the PDC.
MST1: ARM7TDMI Abort Source
31
30
29
28
27
26
25
24
––
––––
SVMST1
SVMST0
23
22
21
20
19
18
17
16
––
––––
MST1
MST0
15
14
13
12
11
10
9
8
ABTTYP
ABTSZ
76
543210
––
––––
MISADD
UNDADD
ABTSZ
Abort Size
00
Byte
0
1
Half-word
10
Word
11
Reserved
ABTTYP
Abort Type
0
Data Read
0
1
Data Write
1
0
Code Fetch
11
Reserved
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