AT91SAM7SE512-AU Atmel, AT91SAM7SE512-AU Datasheet - Page 565
![IC ARM7 MCU FLASH 512K 128-LQFP](/photos/6/71/67112/128-lqfp_sml.jpg)
AT91SAM7SE512-AU
Manufacturer Part Number
AT91SAM7SE512-AU
Description
IC ARM7 MCU FLASH 512K 128-LQFP
Manufacturer
Atmel
Series
AT91SAMr
Specifications of AT91SAM7SE512-AU
Core Processor
ARM7
Core Size
16/32-Bit
Speed
55MHz
Connectivity
EBI/EMI, I²C, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
88
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
128-LQFP
Cpu Family
91S
Device Core
ARM7TDMI
Device Core Size
32b
Frequency (max)
55MHz
Interface Type
EBI/SPI/TWI/USART
Total Internal Ram Size
32KB
# I/os (max)
88
Number Of Timers - General Purpose
3
Operating Supply Voltage (typ)
1.8/3.3V
Operating Supply Voltage (max)
1.95/3.6V
Operating Supply Voltage (min)
1.65/3V
On-chip Adc
8-chx10-bit
Instruction Set Architecture
RISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
128
Package Type
LQFP
No. Of I/o's
88
Ram Memory Size
32KB
Cpu Speed
48MHz
No. Of Timers
3
No. Of Pwm Channels
4
Digital Ic Case Style
LQFP
Rohs Compliant
Yes
Processor Series
AT91SAMx
Core
ARM7TDMI
Data Bus Width
32 bit
Data Ram Size
32 KB
Maximum Clock Frequency
48 MHz
Number Of Programmable I/os
32
Number Of Timers
3
Operating Supply Voltage
1.8 V to 3.3 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
JTRACE-ARM-2M, KSK-AT91SAM7S-PL, MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
AT91SAM-ICE, AT91-ISP, AT91SAM7SE-EK
Minimum Operating Temperature
- 40 C
For Use With
AT91SAM7SE-EK - EVAL BOARD FOR AT91SAM7SEAT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT91SAM7SE512-AU
Manufacturer:
AMTEL
Quantity:
382
Part Number:
AT91SAM7SE512-AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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38.5.2.5
38.5.2.6
Figure 38-9. Data OUT Transfer for Non Ping-pong Endpoints
6222F–ATARM–14-Jan-11
RX_DATA_BK0
(UDP_CSRx)
FIFO (DPR)
Content
USB Bus
Packets
Data OUT Transaction Without Ping-pong Attributes
Data OUT Transaction
Data OUT
PID
Host Sends Data Payload
Written by USB Device
Data OUT 1
Data OUT transactions are used in control, isochronous, bulk and interrupt transfers and con-
duct the transfer of data from the host to the device. Data OUT transactions in isochronous
transfers must be done using endpoints with ping-pong attributes.
To perform a Data OUT transaction, using a non ping-pong endpoint:
An interrupt is pending while the flag RX_DATA_BK0 is set. Memory transfer between the USB
device, the FIFO and microcontroller memory can not be done after RX_DATA_BK0 has been
cleared. Otherwise, the USB device would accept the next Data OUT transfer and overwrite the
current Data OUT packet in the FIFO.
Data OUT 1
1. The host generates a Data OUT packet.
2. This packet is received by the USB device endpoint. While the FIFO associated to this
3. The microcontroller is notified that the USB device has received a data payload polling
4. The number of bytes available in the FIFO is made available by reading RXBYTECNT
5. The microcontroller carries out data received from the endpoint’s memory to its mem-
6. The microcontroller notifies the USB device that it has finished the transfer by clearing
7. A new Data OUT packet can be accepted by the USB device.
endpoint is being used by the microcontroller, a NAK PID is returned to the host. Once
the FIFO is available, data is written to the FIFO by the USB device and an ACK is auto-
matically carried out to the host.
RX_DATA_BK0 in the endpoint’s UDP_CSRx register. An interrupt is pending for this
endpoint while RX_DATA_BK0 is set.
in the endpoint’s UDP_CSRx register.
ory. Data received is available by reading the endpoint’s UDP_FDRx register.
RX_DATA_BK0 in the endpoint’s UDP_CSRx register.
Set by USB Device
ACK
Host Sends the Next Data Payload
Microcontroller Read
PID
Microcontroller Transfers Data
Data OUT 1
Data OUT2
Interrupt Pending
PID
Data OUT2
SAM7SE512/256/32 Preliminary
NAK
PID
Cleared by Firmware,
Data Payload Written in FIFO
Data OUT
PID
Host Resends the Next Data Payload
Written by USB Device
Data OUT 2
Data OUT2
ACK
PID
565
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