ATMEL AT91SC192192CT-USB 32-bit secure microcontroller Datasheet

Features
General
• Based on the ARM® SC100™ SecureCore™ 32-bit RISC Processor
• Two Instruction Sets
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– ARM High-performance 32-bit Instruction Set
– Thumb® High-code-density 16-bit Instruction Set
Von Neumann Load/Store Architecture
– Single 32-bit Data Bus for Instructions and Data
3-stage Pipeline Architecture
– Fetch, Decode, and Execute Stages
8-bit, 16-bit, and 32-bit Data Types
On-chip Programmable System Clock up to 50MHz
Very Low Power Consumption
– Industry Leader in MIPS/Watt
– Low power Idle and Power down Modes
Bond Pad Locations Confirming to ISO7816-2
ESD Protection to ±6000V
Operating ranges: 1.62V to 5.5V, PC Industry Compatible, GSM/3G Compliant, EMV
Memory
32-bit Secure
Microcontrollers
AT91SC
192192CT-USB
Summary
• 192K Bytes of Flash Program Memory and 192K Bytes of Eeprom
•
•
•
•
– Typically More than 500,000 Write/Erase Cycles at a Temperature of 25oC
– 10 Years Data Retention
EEPROM Erase Only Mode
Write EEPROM With or Without Autoerase
24K Bytes of RAM (2K Bytes shared with AdvX ™ crypto processor)
32K Bytes of ROM dedicated to Atmel’s crypto Library
Peripherals
• USB Interface (5 Endpoints)
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– USB V2.0 Full-speed (12Mbps), Suspend/Resume Modes Supported
– 4 Configurable Endpoints in Addition to Endpoint EP0
– Dynamic Pull-up Attachment
USB_IC (Inter Chip) 0.8e Interface
Serial Peripheral Interface (SPI) Controller (up to 20MHz)
One ISO 7816 Controller
– Up to 625kbps at 5 MHz
Interface for External NAND Flash Memory
Single Wire Interface (Digital Interface to RF front end chip)
Two 16-bit Timers
Random Number Generator (RNG)
2-level, 15-vector Interrupt Controller
Hardware DES and Triple DES (DPA Resistant)
Checksum Accelerator
CRC 16/32 Engine
32-bit Cryptographic Accelerator for Public Key Operations
– RSA, DSA, ECC, Diffie-Hellman
High performance Hardware Java Card Accelerator
Security
•
•
•
•
•
Dedicated Hardware for Protection Against SPA/DPA Attacks
Protection Against Physical Attack
Environmental Protection Systems
Voltage, Frequency, Light, and Temperature Protection Systems
Secure Memory Management/ Access Protection/ MPU
6556A–SPIC–16 May 07
Note: This is a summary document. A complete document will be
available under NDA. For more information, please contact your
local Atmel sales office.
Development Tools and Software
• Hardware Development Support on the ATV4-91SC Voyager Emulation Platform
• Software Libraries and Bootloader in ATMEL’s ROM (Crypto Library and Generic drivers)
• Application Notes
Description
The AT91SC192192CT-USB is a low power, high performance, 32-bit RISC microcontroller with Flash/Eeprom program
and data memories and cryptographic accelerator, based on the ARM SC100 advanced secure processor. This general
purpose 32-bit processor offers high performance, very low power consumption, and additional features to help combat
fraud.
The AT91SC192192CT-USB features 192K bytes of high performance Flash (fast erase/write time, high endurance).
The AT91SC192192CT-USB features 192K bytes of high performance Eeprom (fast erase/write time, high endurance).
The AT91SC192192CT-USB also features a USB full speed 2.0 port to allow very high speed transactions with a USB host
terminal. USB interface requires the addition of an external 48MHz resonator.
The AT91SC192192CT-USB features a SPI (Serial Peripheral Interface) port to provide either high speed interface with
external terminal or to connect external NOR Flash memory. It also features an interface for NAND Flash memory.
On top of the SC100s MPU, a real hardware firewall can be used to increase the overall security level of the application
without intense software development.
The cryptographic accelerator featured in the AT91SC series is the AdvX™, an N-bit multiplier-accumulator dedicated to
performing fast encryption and authentication functions. AdvX is based on a custom 32-bit co-processor, thus enabling fast
computation and low power operation. The AdvX in conjuction with controlling firmware running within the SC100 core,
supports standard finite arithmetic functions (including RSA, DSA, DH and ECC) and GF(2N).
Unique hardware features significantly accelerate the execution of Java Card Byte Code by removing the common
software bottlenecks encountered during the implementation of a Java Virtual Machine.
Additional security features include power and frequency protection logic, logical scrambling on program data and
addresses, power analysis countermeasures, and memory access controlled by a supervisor mode.
Pin Configuration
The AT91SC192192CT-USB pinout configuration confirms to the ISO7816-2 interface.
Note: By convention, the RST pin corresponds to the RST signal of the ISO7816-3 Protocol, both are active low.)
GND
Ground (reference voltage)
WE
Flash Interface (Write Enable)
Vcc
Power Supply Input
ALE
Flash Interface (Address Latch Enable)
ISO I/O0
Input or Output for serial data (ISO7816
CLE
Flash Interface (Command Latch Enable)
ISO CLK
Clock signal input to external clock operating circuit
CE
Flash Interface (Chip Enable)
ISO RST
Reset signal input, a low state stops the ARM core
RE
Flash Interface (Read Enable)
C6
SWP dedicated pin
IO0
Flash Interface IO0
USB D+
USB D+
IO1
Flash Interface IO1
USB D-
USB D-
IO2
Flash Interface IO2
2
AT91SC192192CT-USB
6556A–SPIC–16 May 07
AT91SC192192CT-USB
USB XIN
USB XIN
IO3
Flash Interface IO3
USB XOUT
USB XOUT
SS/IO4
SPI Slave Select/Flash Interface IO4
WP
Flash Interface (Write Protect)
SCK/IO5
SPI Clock/Flash Interface IO5
MOSI/IO6
SPI Master Output-Slave Input/Flash Interface
IO6
MISO/IO7
SPI Master Output-Slave Input/Flash Interface
IO7
Architectural Overview
The SC100 is a 3 stage pipeline, 32-bit RISC processor. It uses a Von Neumann Load/store architecture, this architecture
is characterized by a single data and address bus for instruction data. The SC100 processor employs a unique
architectural strategy known as Thumb®, a super reduced instruction set that is ideally suited for high volume applications
with memory restrictions, and applications where code density is an important factor. Essentially, the SC100 processor has
two instruction sets:
•
The standard ARM instruction set using 32-bit instructions and offering maximum performance
•
The Thumb instruction set using 16-bit instructions and offering maximum code density
Both instruction sets operate on 8-bit, 16-bit and 32-bit data types.
The Thumb’s 16-bit instruction length allows it to achieve almost twice the density of standard ARM code, whilst retaining
most of the ARM performance advantage over a traditional 16-bit processor using 16-bit registers. This is possible because
the 16-bit Thumb instructions operate on the same 32-bit register set as the 32-bit ARM instruction set. Thumb code can be
up to 35% smaller than the equivalent ARM code, whilst providing 160% of the performance of an equivalent ARM
processor connected to a 16-bit memory system.
3
6556A–SPIC–16 May 07
Figure 1 shows the block diagram of the AT91SC192192CT-USB device.
8/16/32
Java
Accelerator
OTP
EEPROM
User Memory
AdvX
CryptoAccelerator
8/16/32
Secure
Control
CLK
GND
VCC
Reset
Circuit
RST
RNG
Flash
Program
Memory
RAM
32
DES/3DES
CRC16&32
Engine
32
On-chip
security
(SPA, DPA, ...)
I/O0
USB
D+
DXIN
XOUT
SWP
C6
Firewall
I/O0
SC100™Core
MPU
32
Timer
32
Thumb Instruction
decompressor
ISO 7816
Controller
ISO 7816
I/O Port 0
I/O0
32
IO 0
IO 1
IO 2
MISO
Pipeline
SPI
Controller
MOSI
SS
IO 3
SS / IO 4
SCK
SCK / IO 5
Rd
Wr
Addr
SMC
Data
FLASH
Controller
MOSI / IO 6
MISO / IO 7
CLE
ALE
CE
WP
WE
RE
Figure 1. AT91SC192192CT-USB Block Diagram
4
AT91SC192192CT-USB
6556A–SPIC–16 May 07
AT91SC192192CT-USB
NC
NC
NC
53
49
NC
54
NC
NC
55
50
NC
56
NC
NC
57
51
NC
58
52
NC
NC
NC
NC
61
59
NC
62
60
NC
64
63
Figure 2. AT91SC192192CT-USB Pinout (LQFP64)
NC
1
48
USB D -
USB D+
2
47
ISO IO0
NC
3
46
MISO / Flash IO7
GND
4
45
MOSI / Flash IO6
ISO CLK
5
44
SCK / Flash IO5
WE
6
43
SS / Flash IO4
CE
7
42
Flash VDD
VCC
8
41
VCC
ISO RST
9
40
USB OUT
CLE
10
39
USB XIN
ALE
11
38
Flash IO3
RE
12
37
Flash IO2
WP
13
36
Flash IO1
NC
14
35
Flash IO0
VCC
15
34
SWP C6
NC
16
33
GND
INDEX CORNER
NC 32
NC 31
NC 30
NC 29
NC 28
NC 27
NC 26
NC 25
NC 24
NC 23
NC 22
NC 21
NC 20
NC 19
NC 18
NC 17
AT91SC192192CT-USB
TQFP64
5
6556A–SPIC–16 May 07
Figure 3. R-LQFP064 Package
6
AT91SC192192CT-USB
6556A–SPIC–16 May 07
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