AT91RM9200-QU-002 Atmel, AT91RM9200-QU-002 Datasheet - Page 675
![IC ARM9 MCU 208 PQFP](/photos/6/73/67311/313-208-pqfp_sml.jpg)
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
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41.6.3
41.6.4
41.7
1768I–ATARM–09-Jul-09
ROM Bootloader
PMC, Clock Generator: Bad switching when writing PLL registers with same MUL and DIV values
OSCBYPASS is not functional with PLLA
the ones already stored, the status bit MCKRDY does not rise. When one and only one of the
fields PRES and CSS is changed, the MCKRDY bit operates normally.
Problem Fix/Workaround
If both fields must be re-programmed, carry out the change in two steps.
When the fields MUL and DIV in the CKGR_PLLBR register are written with the same values as
already programmed, the Master Clock signal switches to Main Clock (output of the Main Oscil-
lator) until a different value is programmed in the register.
When the fields MUL and DIV in the CKGR_PLLAR register are written with the same values as
already programmed, the Master Clock signal switches to Slow Clock (output of the 32768 Hz
Oscillator) until a different value is programmed in the register.
Problem Fix/Workaround
The user must be sure that either the DIV or MUL field changes when setting the CKGR_PLLBR
or CKGR_PLLAR register.
With PLLA, it is not possible to have an MCKRDY flag raised.
Problem Fix/Workaround
Even if MCKRDY flag does not raise with PLLA, it will not prevent you from switching on it.
You just need to wait for the PLLA lock time; for that program, PLLA then PLLB. When PLLB is
ready, PLLA is ready too.
Main Oscillator in Bypass Mode: CKGR_MOR = 0x00000002
PLLA programming: CKGR_PLLAR = 0x20063E01
PLLB programming: CKGR_PLLBR = 0x10173F05
Wait PLLB LOCKB bit: PMC_SR will be 0x0000000C
Switch on PLLACK clock: PMC_MCKR -> 0x00000102
PMC_SR will be 0x0000000C
ROM Bootloader: Limitation with 8-bit parallel memories.
Limitation with 8-bit parallel memories. In the internal Boot Rom program, version 1.0, the wait
state number on CS0 is set to 0 during Boot ROM initialization. This gives an access time of 20
ns at 48 MHz Master Clock Frequency. This limitation of the ROM Bootloader applies to
AT91RM9200 with the product number 58A07F.
Problem Fix/Workaround
None.
AT91RM9200
675
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