參數(shù)資料
型號: EP9315-IBZ
廠商: Cirrus Logic Inc
文件頁數(shù): 98/106頁
文件大小: 0K
描述: IC ARM9 SOC ENH UNIV 352PBGA
標準包裝: 40
系列: EP9
核心處理器: ARM9
芯體尺寸: 16/32-位
速度: 200MHz
連通性: EBI/EMI,EIDE,以太網(wǎng),I²C,IrDA,鍵盤/觸摸屏,PCMCIA,SPI,UART/USART,USB
外圍設(shè)備: AC'97,DMA,I²S,LCD,LED,MaverickKey,POR,PWM,WDT
輸入/輸出數(shù): 16
程序存儲器類型: ROMless
RAM 容量: 32K x 8
電壓 - 電源 (Vcc/Vdd): 1.65 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x12b
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 352-BGA
包裝: 托盤
配用: 598-1144-ND - KIT DEVELOPMENT EP9315 ARM9
其它名稱: 598-1263
DS785UM1
3-21
Copyright 2007 Cirrus Logic
MaverickCrunch Co-Processor
EP93xx User’s Guide
3
3.5.1 Load and Store Instructions
Loading Floating Point Value from Memory
Description:
Loads a single or double precision floating point value from memory into
MaverickCrunch register.
64-bit integer
arithmetic
CDP
cfabs64 CRd, CRn
CRd gets absolute value of CRn
cfneg64 CRd, CRn
CRd gets negation of CRn
cfadd64 CRd, CRn,
CRm
CRd gets sum of CRn and CRm
cfsub64 CRd, CRn,
CRm
CRd gets CRn minus CRm
cfmul64 CRd, CRn,
CRm
CRd gets the product of CRn and CRm
Accumulator
arithmetic
CDP
cfmadd32 CRa, CRd,
CRn, CRm
Accumulator CRa gets sum of CRd and the product of CRn and CRm
cfmsub32 CRa, CRd,
CRn, CRm
Accumulator CRa gets CRd minus the product of CRn and CRm
cfmadda32 CRa, CRd,
CRn, CRm
Accumulator CRa gets sum of accumulator CRd and the product of CRn
and CRm
cfmsuba32 CRa, CRd,
CRn, CRm
Accumulator CRa gets accumulator CRd minus the product of CRn and
CRm
31:28
27:25
24
23
22
21
20
19:16
15:12
11:8
7:0
cond
1 1 0
P
UN
W1
Rn
CRd
0 1 0 0
8_bit_word_offset
Table 3-11. Mnemonic Codes for Loading Floating Point Value from Memory
Mnemonic
Addressing Mode
N
CFLDRS<cond> CRd, [Rn, <offset>]{!}
Immediate pre-indexed
0
CFLDRS<cond> CRd, [Rn], <offset>
Immediate post-indexed
0
CFLDRD<cond> CRd, [Rn, <offset>]{!}
Immediate pre-indexed
1
CFLDRD<cond> CRd, [Rn], <offset>
Immediate post-indexed
1
Table 3-10. MaverickCrunch Instruction Set (Continued)
Maverick
Crunch
Co-
Processor
Instruction
Type
ARM
Co-
Processor
Instruction
Type
Instruction
Description
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