AT91SAM9260B-QU Atmel, AT91SAM9260B-QU Datasheet - Page 646
![IC ARM9 MCU 208-PQFP](/photos/6/73/67311/313-208-pqfp_sml.jpg)
AT91SAM9260B-QU
Manufacturer Part Number
AT91SAM9260B-QU
Description
IC ARM9 MCU 208-PQFP
Manufacturer
Atmel
Series
AT91SAMr
Specifications of AT91SAM9260B-QU
Core Processor
ARM9
Core Size
16/32-Bit
Speed
180MHz
Connectivity
EBI/EMI, Ethernet, I²C, MMC, SPI, SSC, UART/USART, USB
Peripherals
POR, WDT
Number Of I /o
96
Program Memory Size
32KB (32K x 8)
Program Memory Type
ROM
Ram Size
24K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
208-MQFP, 208-PQFP
Package
208PQFP
Device Core
ARM926EJ-S
Family Name
91S
Maximum Speed
180 MHz
Operating Supply Voltage
1.8|3.3 V
Data Bus Width
32 Bit
Number Of Programmable I/os
96
Interface Type
EBI/Ethernet/SPI/TWI/UART/USART/USB
On-chip Adc
4-chx10-bit
Number Of Timers
6
Processor Series
AT91SAMx
Core
ARM926EJ-S
Data Ram Size
8 KB
Maximum Clock Frequency
180 MHz
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, AT91SAM9260-EK
Minimum Operating Temperature
- 40 C
Cpu Family
AT91
Device Core Size
32b
Frequency (max)
180MHz
Total Internal Ram Size
8KB
# I/os (max)
96
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
Package Type
PQFP
For Use With
AT91SAM9260-EK - KIT EVAL FOR AT91SAM9260AT91SAM-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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36.6.3.1
36.6.3.2
36.6.3.3
36.6.3.4
36.6.3.5
646
AT91SAM9260
Not Powered State
Entering Attached State
From Powered State to Default State
From Default State to Address State
From Address State to Configured State
Self powered devices can detect 5V VBUS using a PIO as described in the typical connection
section. When the device is not connected to a host, device power consumption can be reduced
by disabling MCK for the UDP, disabling UDPCK and disabling the transceiver. DDP and DDM
lines are pulled down by 330 KΩ resistors.
When no device is connected, the USB DP and DM signals are tied to GND by 15 KΩ pull-down
resistors integrated in the hub downstream ports. When a device is attached to a hub down-
stream port, the device connects a 1.5 KΩ pull-up resistor on DP. The USB bus line goes into
IDLE state, DP is pulled up by the device 1.5 KΩ resistor to 3.3V and DM is pulled down by the
15 KΩ resistor of the host. To enable integrated pullup, the PUON bit in the UDP_TXVC register
must be set.
Warning: To write to the UDP_TXVC register, MCK clock must be enabled on the UDP. This is
done in the Power Management Controller.
After pullup connection, the device enters the powered state. In this state, the UDPCK and MCK
must be enabled in the Power Management Controller. The transceiver can remain disabled.
After its connection to a USB host, the USB device waits for an end-of-bus reset. The
unmaskable flag ENDBUSRES is set in the register UDP_ISR and an interrupt is triggered.
Once the ENDBUSRES interrupt has been triggered, the device enters Default State. In this
state, the UDP software must:
In this state UDPCK and MCK must be enabled.
Warning: Each time an ENDBUSRES interrupt is triggered, the Interrupt Mask Register and
UDP_CSR registers have been reset.
After a set address standard device request, the USB host peripheral enters the address state.
Warning: Before the device enters in address state, it must achieve the Status IN transaction of
the control transfer, i.e., the UDP device sets its new address once the TXCOMP flag in the
UDP_CSR[0] register has been received and cleared.
To move to address state, the driver software sets the FADDEN flag in the UDP_GLB_STAT
register, sets its new address, and sets the FEN bit in the UDP_FADDR register.
Once a valid Set Configuration standard request has been received and acknowledged, the
device enables endpoints corresponding to the current configuration. This is done by setting the
EPEDS and EPTYPE fields in the UDP_CSRx registers and, optionally, enabling corresponding
interrupts in the UDP_IER register.
• Enable the default endpoint, setting the EPEDS flag in the UDP_CSR[0] register and,
• Configure the interrupt mask register which has been reset by the USB reset detection
• Enable the transceiver clearing the TXVDIS flag in the UDP_TXVC register.
optionally, enabling the interrupt for endpoint 0 by writing 1 to the UDP_IER register. The
enumeration then begins by a control transfer.
6221I–ATARM–17-Jul-09
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