Features
Power™ 464 Processor Core
•CPU Speed (frequency): 800 MHz and 1 GHz
•7-stage pipeline, executes up to two instructions per cycle
•32-KB-I/32-KB-D L1 caches, 64-way set-associative
High-Performance Floating Point Unit
•5-stage FPU with 2.0 MFLOPS/MHz (SP/DP)
•Hardware support for IEEE 754
•Single-Precision and Double-Precision operation with thirty-two
64-bit floating-point registers
•Single cycle throughput on most instructions
L2 Cache and On-Chip Memory
•256-KB L2/SRAM with parity protection
•32-KB On-Chip Memory
High-Bandwidth Bus Architecture
•128-bit processor local bus (PLB) with a two-way crossbar
•Separate 128-bit read and 128-bit write data bus for each way
•Up to 12.8 GB/s of peak on-chip bandwidth at 200 MHz
DDR2 SDRAM
•On-chip Double Data Rate 2 (DDR2) SDRAM controller with
32/16-bit interface
•Support for one rank of DDR2 SDRAM up to 512 MB
With a processor speed of up to 1 GHz, support for floating-point
operations, USB 2.0 OTG, PCI-Express, SATA, Gigabit Ethernet,
security, NAND Flash interfaces, and low power dissipation, the
AppliedMicro APM82181 embedded processor is ideally suited for next
generation NAS applications that require exceptionally low power and a
small footprint.
APM82181 | Embedded Power™ Processor
LCD
512MB
NAND
FLASH
DDRII
CTRL
UART
0
I2C
EEPROM
Ethernet PHY
RGMII0
AppliedMicro
APM82181
EBC
GPIOs
Trace
Port
GMAC
0
RESET BUTTON
(Rear - recessed)
+ 1.25V
+ 1.8V
+ 2.5V
+ 3.3V
+ 0.9V
+ 3.3V
+ 3.3V
RJ45
CLOCK
Circuits
MDC/MDIO
EXTERNAL
AC ADAPTER
(+12V @ 12.5A)
PCIe 0
(1-lane)
SATA
1
(1-lane)
JTAG
+1.25V
+1.8V
+2.5V
+0.9V
SysClock
SPI
DDR2 SDRAM
512MB (no ECC)
(64Mx16)
+1.8V
+0.9V
USB
OTG
+5V
+12V
+3.3V
DC/DC
+12V
Enclosure’ FAN
DualFan
control/
CPU Temp
Sensor
+ 3.3V
USB 2.0
HOST
(Rear)
MAG
512KB
NOR
FLASH
USB HUB
Port 2 Port 1
POWER BUTTON
(Front)
+3.3V_STBY
+12V
Integrated Mag. & 2
LEDs (link & activity)
+ 3.3V
JTAG
2x8
32-Bit
USB 2.0
HOST
(Front)
RJ45
(Rear)
BACKUP BUTTON
(for quick transfer
of USB drives)
UART
PCIe 2.5Gb/s
SATA 22-Pin
SATA II
Drive 0
500GB
–2TB
PCIe-to-SATA
SATA 22-Pin
SATA II
Drive 1
500GB
–2TB
SATA II 3Gb/s
+ 3.3V
+12V
Enclosure’ FAN
SATA I 1.5Gb/s
SATA I 1.5Gb/s
Fan control/
CPU Temp
Sensor
+ 3.3V
KEYS PAD
(Front)
eSATA
(Rear)
PowerBackup
HDD1HDD0 USB
eSATA
(unused)
LED
(unused)
HARD RST BUTTON
(Rear - recessed)
SATA
0
(1-lane)
APM82181
NAS Application Example
For technical support, please call 1-800-840-6055 or 858-535-6517, or email support@apm.com.
AppliedMicro reserves the right to make changes to its products, its data sheets, or related documentation, without notice and warrants its products solely pursuant to its terms and
conditions of sale, only to substantially comply with the latest available data sheet. Please consult AppliedMicro’s Term and Conditions of Sale for its warranties and other terms,
conditions and limitations. AppliedMicro may discontinue any semiconductor product or service without notice, and advises its customers to obtain the latest version of relevant
information to verify, before placing orders, that the information is current. AppliedMicro does not assume any liability arising out of the application or use of any product or circuit
described herein, neither does it convey any license under its patent rights nor the rights of others. AppliedMicro reserves the right to ship devices of higher grade in place of those of
lower grade.
APPLIEDMICRO SEMICONDUCTOR PRODUCTS ARE NOT DESIGNED, INTENDED, AUTHORIZED, OR WARRANTED TO BE SUITABLE FOR USE IN LIFE-SUPPORT
APPLICATIONS, DEVICES OR SYSTEMS OR OTHER CRITICAL APPLICATIONS.
AppliedMicro and AMCC are trademarks of Applied Micro Circuits Corporation. Power and the Power logo are registered trademarks of Power.org. All other trademarks are the property
of their respective holders.
Copyright © 2010 Applied Micro Circuits Corporation. All Rights Reserved.
APM82181_PB_1.05_12_14_2010
215 Moffett Park Drive, Sunnyvale, CA 94089 phone 408 542 8600 fax 408 542 8601 appliedmicro.com
Features (cont’d)
Gen 1 PCI Express Interface
•One Gen1 x1 lane PCI-Express interface (2.5 GB/s per lane)
•Configurable as root or end-point
SATA
•Up to two SATA controllers operating at up to 3.0 Gb/s each
with integrated SERDES
RAID5
•On-chip RAID5 acceleration
Ethernet Port and TCP/IP Acceleration
•One Ethernet 10/100/1000-Mbit/s, full-duplex MAC (RGMII/MII)
•TCP/IP Acceleration Hardware and Jumbo Frame support
Turbo Security (Optional)
•On-chip IPSec/SSL acceleration with header/trailer processing
•Supports DES, 3DES, AES, ARC-4 encryption, MD-5, SHA-1,
and SHA-256 hashing
•True and Pseudo random number generators (TRNG/PRNG)
•Public key accelerator (PKA)
USB 2.0 OTG Interface with Integrated PHY
•Operates at 1.5/12/480 Mbps
External Bus Interface
•Up to 100 MHz, 8-bit data bus external bus control (EBC) inter-
face
NAND Flash Controller
•Supports one to three banks of NAND Flash memory devices
•Secure Boot using an on-chip 2-KB Boot ROM:
•Initial Program Loader in 2-KB Boot ROM checks for ECC
when copying block 0 to on-chip SRAM
•ECC generation - hamming code, single-bit correction, double-
bit detection (SEC/DED):
•ECC generation assist software with ECC checking of SLC
NAND
Standard Peripherals
•On-chip real-time clock with external battery backup capability
•Up to two UARTs (1x 4-pin or 2x 2-pin)
•Two IIC (with one integrated boot strap controller)
•One SPI/SCP serial interface
•32 General-Purpose I/O
•Support for JTAG board testing, JTAG debuggers, and 4xx
instruction trace
For more information, visit http://www.appliedmicro.com
AppliedMicro Partners Ecosystem
•Extensive ecosystem of products and services from a wide
range of leading suppliers
•For details of the products and services available, visit:
http://www.appliedmicro.com/Embedded/Partners
•AppliedMicro also provides a reference design for this
processor
Specifications
Technology
•90nm CMOS
Performance (estimated)
•1,600 Dhrystone 2.1 MIPS @ 800 MHz
•2,000 Dhrystone 2.1 MIPS @ 1.0 GHz
Frequency
•CPU: Up to 1.0 GHz
•DDR2 Memory: 32/16-bit width
•PCI Express Gen 1
•One 1-lane @ 2.5 Gbit/s per lane/direction
•SATA Controller
•Up to two ports @ 1.5 or 3.0 Gb/s
Typical Power Dissipation
•0.5 W (typical standby power)
•2.4 W @ 800 MHz (typical operational power)
Case Temperature Range
•-20ºC to +85ºC
Power Supply
•1.2 V (logic), 1.8 V (DDR2), 2.5 V (Ethernet, PCIe/SATA),
3.3 V (USB, other I/O)
Signal I/Os
•189
Packaging
•Wirebond Fine-pitched Plastic BGA (345-pin FPBGA),
18 mm x 18 mm (0.8-mm ball pitch)
•RoHS compliant (lead-free)
APM82181 | 464 Family
