AT91RM9200-QU-002 Atmel, AT91RM9200-QU-002 Datasheet - Page 296
![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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Price
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24.6
Table 24-1.
296
Offset
0x0000
0x0004
0x0008
0x000C
0x0010
0x0014
0x0018
0x001C
0x0020
0x0024
System Timer (ST) User Interface
AT91RM9200
Register Mapping
Register
Control Register
Period Interval Mode Register
Watchdog Mode Register
Real-time Mode Register
Status Register
Interrupt Enable Register
Interrupt Disable Register
Interrupt Mask Register
Real-time Alarm Register
Current Real-time Register
This current value of the counter is compared with the value written in the alarm register
ST_RTAR (Real-time Alarm Register). If the counter value matches the alarm, the bit ALMS in
TC_SR is set. The alarm register is set to its maximum value, corresponding to 0, after a reset.
The bit RTTINC in ST_SR is set each time the 20-bit counter is incremented. This bit can be
used to start an interrupt, or generate a one-second signal.
Writing the ST_RTMR immediately reloads and restarts the clock divider with the new pro-
grammed value. This also resets the 20-bit counter.
Warning: If RTPRES is programmed with a period less or equal to the current MCK period, the
update of the RTTINC and ALMS status bits and their associated interrupt generation are
unpredictable.
Figure 24-5. Real Time Timer
SLCK
RTPRES
Divider
16-bit
ST_PIMR
ST_SR
ST_IER
ST_IDR
Name
ST_CR
ST_WDMR
ST_RTMR
ST_IMR
ST_RTAR
ST_CRTR
ALMV
Counter
20-bit
Read/Write
Read/Write
Read/Write
Read/Write
Write-only
Read-only
Write-only
Write-only
Read-only
Read-only
Access
=
RTTINC
ALMS
1768I–ATARM–09-Jul-09
Reset Value
0x00000000
0x00020000
0x00008000
0x0
0x0
0x0
–
–
–
–
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