EP9312-CB Cirrus Logic Inc, EP9312-CB Datasheet - Page 91

• Manufacturer Part Number: EP9312-CB
• Description: System-on-Chip Processor
• Manufacturer: Cirrus Logic Inc
• Series: EP9r

Specifications of EP9312-CB

• Peak Reflow Compatible (260 C): No
• A/d Converter: 12 Bits
• Leaded Process Compatible: No
• No. Of I/o Pins: 65
• Package / Case: 352-BGA
• Core Processor: ARM9
• Core Size: 16/32-Bit
• Speed: 200MHz
• Connectivity: EBI/EMI, EIDE, Ethernet, I²C, IrDA, Keypad/Touchscreen, SPI, UART/USART, USB
• Peripherals: AC'97, DMA, I&sup2:S, LCD, LED, MaverickKey, POR, PWM, WDT
• Number Of I /o: 16
• Program Memory Type: ROMless
• Ram Size: 32K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 3.6 V
• Data Converters: A/D 8x12b
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Processor Series: EP93xx
• Core: ARM920T
• Data Bus Width: 32 bit
• 3rd Party Development Tools: MDK-ARM, RL-ARM, ULINK2
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -
• Lead Free Status / Rohs Status: No
• Other names: 598-1257

DS785UM1
3.5.1 Load and Store Instructions
64-bit integer
arithmetic
Accumulator
arithmetic
Instruction
Processor
31:28
Maverick
cond
Crunch
Description:
Type
Co-
27:25
1 1 0
Instruction
Processor
Table 3-11. Mnemonic Codes for Loading Floating Point Value from Memory
CFLDRS<cond> CRd, [Rn, <offset>]{!}
CFLDRD<cond> CRd, [Rn, <offset>]{!}
ARM
Type
CFLDRD<cond> CRd, [Rn], <offset>
CDP
CDP
CFLDRS<cond> CRd, [Rn], <offset>
Co-
Loading Floating Point Value from Memory
24
P
Loads a single or double precision floating point value from memory into
MaverickCrunch register.
23
Table 3-10. MaverickCrunch Instruction Set (Continued)
U
Mnemonic
cfabs64 CRd, CRn
cfneg64 CRd, CRn
cfadd64 CRd, CRn,
CRm
cfsub64 CRd, CRn,
CRm
cfmul64 CRd, CRn,
CRm
cfmadd32 CRa, CRd,
CRn, CRm
cfmsub32 CRa, CRd,
CRn, CRm
cfmadda32 CRa, CRd,
CRn, CRm
cfmsuba32 CRa, CRd,
CRn, CRm
Instruction
22
N
21
W
Copyright 2007 Cirrus Logic
20
1
CRd gets absolute value of CRn
CRd gets negation of CRn
CRd gets sum of CRn and CRm
CRd gets CRn minus CRm
CRd gets the product of CRn and CRm
Accumulator CRa gets sum of CRd and the product of CRn and CRm
Accumulator CRa gets CRd minus the product of CRn and CRm
Accumulator CRa gets sum of accumulator CRd and the product of CRn
and CRm
Accumulator CRa gets accumulator CRd minus the product of CRn and
CRm
19:16
Rn
15:12
CRd
Immediate post-indexed
Immediate post-indexed
Immediate pre-indexed
Immediate pre-indexed
Addressing Mode
0 1 0 0
11:8
Description
MaverickCrunch Co-Processor
8_bit_word_offset
EP93xx User’s Guide
7:0
N
0
0
1
1
3-21
3