AT91SAM7SE256-CU Atmel, AT91SAM7SE256-CU Datasheet - Page 559
![IC ARM7 MCU FLASH 256K 144-LFBGA](/photos/12/13/121356/144-lfbga_sml.jpg)
AT91SAM7SE256-CU
Manufacturer Part Number
AT91SAM7SE256-CU
Description
IC ARM7 MCU FLASH 256K 144-LFBGA
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM7SE256-AU.pdf
(673 pages)
Specifications of AT91SAM7SE256-CU
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
256KB (256K 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
144-LFBGA
Processor Series
AT91SAMx
Core
ARM7TDMI
Data Bus Width
32 bit
Data Ram Size
32 KB
Interface Type
EBI, SPI, TWI, USART
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
On-chip Adc
10 bit
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
Details
Other names
AT91SAM7SE256-CJ
AT91SAM7SE256-CJ
AT91SAM7SE256-CJ
Available stocks
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Manufacturer
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38.5
38.5.1
Figure 38-3. Example of USB V2.0 Full-speed Communication Control
The Control Transfer endpoint EP0 is always used when a USB device is first configured (USB v. 2.0 specifications).
38.5.1.1
Table 38-3.
6222F–ATARM–14-Jan-11
Transfer
Control
Isochronous
Interrupt
Bulk
Functional Description
USB V2.0 Full-speed Introduction
Software Client 1
USB V2.0 Full-speed Transfer Types
USB Communication Flow
Unidirectional
Unidirectional
Unidirectional
Bidirectional
Direction
USB Host V2.0
The USB V2.0 full-speed provides communication services between host and attached USB
devices. Each device is offered with a collection of communication flows (pipes) associated with
each endpoint. Software on the host communicates with a USB device through a set of commu-
nication flows.
A communication flow is carried over one of four transfer types defined by the USB device.
Data Flow: Control Transfer
Data Flow: Bulk In Transfer
Data Flow: Bulk Out Transfer
Software Client 2
Not guaranteed
Not guaranteed
Not guaranteed
Guaranteed
Bandwidth
Data Flow: Control Transfer
Data Flow: Isochronous In Transfer
Data Flow: Isochronous Out Transfer
Supported Endpoint Size
SAM7SE512/256/32 Preliminary
8, 16, 32, 64
8, 16, 32, 64
USB Device endpoint configuration requires that
in the first instance Control Transfer must be EP0.
≤ 64
64
EP0
EP4
EP5
EP0
EP1
EP2
Error Detection
USB Device 2.0
Block 1
USB Device 2.0
Block 2
Yes
Yes
Yes
Yes
Automatic
Retrying
Yes
Yes
No
559
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