AT91RM9200-QU-002 Atmel, AT91RM9200-QU-002 Datasheet - Page 433
![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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Manufacturer
Quantity
Price
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30.6.5.3
Figure 30-24. IrDA Demodulator Operations
1768I–ATARM–09-Jul-09
Receiver
Counter
Value
Input
MCK
RXD
IrDA Demodulator
6
5
4
Rejected
Table 30-10. IrDA Baud Rate Error
The demodulator is based on the IrDA Receive filter comprised of an 8-bit down counter which is
loaded with the value programmed in US_IF. When a falling edge is detected on the RXD pin,
the Filter Counter starts counting down at the Master Clock (MCK) speed. If a rising edge is
detected on the RXD pin, the counter stops and is reloaded with US_IF. If no rising edge is
detected when the counter reaches 0, the input of the receiver is driven low during one bit time.
Figure 30-24
As the IrDA mode uses the same logic as the ISO7816, note that the FI_DI_RATIO field in
US_FIDI must be set to a value higher than 0 in order to assure IrDA communications operate
correctly.
Pulse
Peripheral Clock
40 000 000
3 686 400
20 000 000
32 768 000
40 000 000
3 686 400
20 000 000
32 768 000
40 000 000
3 686 400
20 000 000
32 768 000
40 000 000
3 686 400
20 000 000
32 768 000
3
2
6
illustrates the operations of the IrDA demodulator.
6
Baud rate
57 600
38 400
38 400
38 400
38 400
19 200
19 200
19 200
19 200
9 600
9 600
9 600
9 600
2 400
2 400
2 400
5
4
3
2
1
0
CD
43
6
33
53
65
12
65
107
130
24
130
213
260
96
521
853
Accepted
Pulse
Driven Low During 16 Baud Rate Clock Cycles
Baud rate Error
0.93%
0.00%
1.38%
0.63%
0.16%
0.00%
0.16%
0.31%
0.16%
0.00%
0.16%
0.16%
0.16%
0.00%
0.03%
0.04%
AT91RM9200
Pulse time
3.26
4.88
4.88
4.88
4.88
9.77
9.77
9.77
9.77
19.53
19.53
19.53
19.53
78.13
78.13
78.13
433
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