AT91RM9200-QU-002 Atmel, AT91RM9200-QU-002 Datasheet - Page 83
AT91RM9200-QU-002
Manufacturer Part Number
AT91RM9200-QU-002
Description
IC ARM9 MCU 208 PQFP
Manufacturer
Atmel
Series
AT91SAMr
Datasheets
1.AT91RM9200-EK.pdf
(41 pages)
2.AT91RM9200-QU-002.pdf
(701 pages)
3.AT91RM9200-QU-002.pdf
(38 pages)
Specifications of AT91RM9200-QU-002
Core Processor
ARM9
Core Size
16/32-Bit
Speed
180MHz
Connectivity
EBI/EMI, Ethernet, I²C, MMC, SPI, SSC, UART/USART, USB
Peripherals
POR
Number Of I /o
122
Program Memory Size
128KB (128K x 8)
Program Memory Type
ROM
Ram Size
48K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
208-MQFP, 208-PQFP
Processor Series
AT91Rx
Core
ARM7TDMI
Data Bus Width
32 bit
Data Ram Size
16 KB
Interface Type
2-Wire, EBI, I2S, SPI, UART, USART
Maximum Clock Frequency
180 MHz
Number Of Programmable I/os
122
Number Of Timers
10 bit
Operating Supply Voltage
3 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
JTRACE-ARM-2M, MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
AT91SAM-ICE, AT91-ISP, AT91RM9200-EK
Minimum Operating Temperature
- 40 C
Eeprom Memory
0 Bytes
Input Output
122
Interface
EBI/EMI, UART/USART
Ios
122
Memory Type
ROM
Number Of Bits
32
Package Type
208-pin PQFP
Programmable Memory
128K Bytes
Timers
3-16-bit
Voltage, Range
1.65-1.95 V
Cpu Family
91R
Device Core
ARM920T
Device Core Size
32b
Frequency (max)
180MHz
Total Internal Ram Size
16KB
# I/os (max)
122
Number Of Timers - General Purpose
6
Operating Supply Voltage (typ)
1.8/3.3V
Operating Supply Voltage (max)
1.95/3.6V
Operating Supply Voltage (min)
1.65/3V
Instruction Set Architecture
RISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
208
For Use With
AT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
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Manufacturer
Quantity
Price
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13. Boot Program
13.1
1768I–ATARM–09-Jul-09
Overview
The Boot Program is capable of downloading an application in an AT91RM9200-based system.
It integrates a Bootloader and a boot Uploader to assure correct information download.
The Bootloader is activated first. It looks for a sequence of eight valid ARM exception vectors in
a DataFlash connected to the SPI, an EEPROM connected to the Two-wire Interface (TWI) or
an 8-bit memory device connected to the external bus interface (EBI). All these vectors must be
Bbranch or LDR load register instructions except for the sixth instruction. This vector is used to
store information, such as the size of the image to download and the type of DataFlash device.
If a valid sequence is found, code is downloaded into the internal SRAM. This is followed by a
remap and a jump to the first address of the SRAM.
If no valid ARM vector sequence is found, the boot Uploader is started. It initializes the Debug
Unit serial port (DBGU) and the USB Device Port. It then waits for any transaction and down-
loads a piece of code into the internal SRAM via a Device Firmware Upgrade (DFU) protocol for
USB and XMODEM protocol for the DBGU. After the end of the download, it branches to the
application entry point at the first address of the SRAM.
The main features of the Boot Program are:
• Default Boot Program stored in ROM-based products
• Downloads and runs an application from external storage media into internal SRAM
• Downloaded code size depends on embedded SRAM size
• Automatic detection of valid application
• Bootloader supporting a wide range of non-volatile memories
• Boot Uploader in case no valid program is detected in external NVM and supporting several
• Serial communication on a DBGU (XModem protocol)
• USB Device Port (DFU Protocol)
communication media
– SPI DataFlash connected on SPI NPCS0
– Two-wire EEPROM
– 8-bit parallel memories on NCS0
AT91RM9200
83
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