AT91SAM9RL64-CU Atmel, AT91SAM9RL64-CU Datasheet - Page 752
AT91SAM9RL64-CU
Manufacturer Part Number
AT91SAM9RL64-CU
Description
IC ARM9 MCU 217-LFBGA
Manufacturer
Atmel
Series
AT91SAMr
Specifications of AT91SAM9RL64-CU
Core Processor
ARM9
Core Size
16/32-Bit
Speed
240MHz
Connectivity
EBI/EMI, I²C, MMC, SPI, SSC, UART/USART, USB
Peripherals
AC'97, LCD, POR, PWM, WDT
Number Of I /o
118
Program Memory Size
32KB (32K x 8)
Program Memory Type
ROM
Ram Size
72K x 8
Voltage - Supply (vcc/vdd)
1.08 V ~ 1.32 V
Data Converters
A/D 6x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
217-LFBGA
Processor Series
AT91SAMx
Core
ARM926EJ-S
Data Bus Width
32 bit
Data Ram Size
64 KB
Interface Type
2-Wire, SPI, SSC, USART
Maximum Clock Frequency
240 MHz
Number Of Programmable I/os
118
Number Of Timers
4
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
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 6 Channel
Controller Family/series
AT91SAM9xxx
No. Of I/o's
118
Ram Memory Size
64KB
Cpu Speed
240MHz
No. Of Timers
1
Rohs Compliant
Yes
Package
217LFBGA
Device Core
ARM926EJ-S
Family Name
91S
Maximum Speed
240 MHz
Operating Supply Voltage
1.8|3.3 V
For Use With
AT91SAM9RL-EK - KIT EVAL FOR AT91SAM9RLAT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Price
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41.4.8.14
752
AT91SAM9R64/RL64 Preliminary
Isochronous Endpoint Handling: OUT Example
Example:
The user can ascertain the bank status (free or busy), and the toggle sequencing of the data
packet for each bank with the UDPHS_EPTSTAx register in the three bit fields as follows:
This is particularly useful in case of a missing data packet.
If the inter-packet delay between the OUT token and the Data is greater than the USB standard,
then the ISO-OUT transaction is ignored. (Payload data is not written, no interrupt is generated
to the CPU.)
If there is a data CRC (Cyclic Redundancy Check) error, the payload is, none the less, written in
the endpoint. The ERR_CRISO flag is set in UDPHS_EPTSTAx register.
If the endpoint is already full, the packet is not written in the DPRAM. The ERR_FL_ISO flag is
set in UDPHS_EPTSTAx.
If the payload data is greater than the maximum size of the endpoint, then the ERR_OVFLW flag
is set. It is the task of the CPU to manage this error. The data packet is written in the endpoint
(except the extra data).
If the host sends a Zero Length Packet, and the endpoint is free, no data is written in the end-
point, the RX_BK_RDY flag is set, and the BYTE_COUNT field in UDPHS_EPTSTAx register is
null.
The FRCESTALL command bit is unused for an isochronous endpoint.
Otherwise, payload data is written in the endpoint, the RX_BK_RDY interrupt is generated and
the BYTE_COUNT in UDPHS_EPTSTAx register is updated.
• If NB_TRANS = 3, the sequence should be either
• If NB_TRANS = 2, the sequence should be either
• If NB_TRANS = 1, the sequence should be
• TOGGLESQ_STA: PID of the data stored in the current bank
• CURRENT_BANK: Number of the bank currently being accessed by the microcontroller.
• BUSY_BANK_STA: Number of busy bank
– MData0
– MData0/Data1
– MData0/Data1/Data2
– MData0
– MData0/Data1
– Data0
6289C–ATARM–28-May-09
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