参数资料
型号: EP9315-IBZ
厂商: Cirrus Logic Inc
文件页数: 98/106页
文件大小: 0K
描述: IC ARM9 SOC ENH UNIV 352PBGA
标准包装: 40
系列: EP9
核心处理器: ARM9
芯体尺寸: 16/32-位
速度: 200MHz
连通性: EBI/EMI,EIDE,以太网,I²C,IrDA,键盘/触摸屏,PCMCIA,SPI,UART/USART,USB
外围设备: AC'97,DMA,I²S,LCD,LED,MaverickKey,POR,PWM,WDT
输入/输出数: 16
程序存储器类型: ROMless
RAM 容量: 32K x 8
电压 - 电源 (Vcc/Vdd): 1.65 V ~ 3.6 V
数据转换器: A/D 8x12b
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 352-BGA
包装: 托盘
配用: 598-1144-ND - KIT DEVELOPMENT EP9315 ARM9
其它名称: 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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