AT91SAM7SE512-CU Atmel, AT91SAM7SE512-CU Datasheet - Page 141
AT91SAM7SE512-CU
Manufacturer Part Number
AT91SAM7SE512-CU
Description
IC ARM7 MCU FLASH 512K 144-LFBGA
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM7SE256-AU.pdf
(673 pages)
Specifications of AT91SAM7SE512-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
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
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
Lead free / RoHS Compliant
Other names
AT91SAM7SE512-CJ
AT91SAM7SE512-CJ
AT91SAM7SE512-CJ
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT91SAM7SE512-CU
Manufacturer:
ALTERA
Quantity:
200
Part Number:
AT91SAM7SE512-CU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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21.5
21.5.1
21.6
21.6.1
21.6.2
21.6.3
21.6.4
21.6.5
6222F–ATARM–14-Jan-11
Product Dependencies
Functional Description
I/O Lines
Bus Multiplexing
Static Memory Controller
SDRAM Controller
ECC Controller
CompactFlash Support
The pins used for interfacing the External Bus Interface may be multiplexed with the PIO lines.
The programmer must first program the PIO controller to assign the External Bus Interface pins
to their peripheral function. If I/O lines of the External Bus Interface are not used by the applica-
tion, they can be used for other purposes by the PIO Controller.
The EBI transfers data between the internal ASB Bus (handled by the Memory Controller) and
the external memories or peripheral devices. It controls the waveforms and the parameters of
the external address, data and control busses and is composed of the following elements:
The EBI offers a complete set of control signals that share the 32-bit data lines, the address
lines of up to 23 bits and the control signals through a multiplex logic operating in function of the
memory area requests.
Multiplexing is specifically organized in order to guarantee the maintenance of the address and
output control lines at a stable state while no external access is being performed. Multiplexing is
also designed to respect the data float times defined in the Memory Controllers. Furthermore,
refresh cycles of the SDRAM are executed independently by the SDRAM Controller without
delaying the other external Memory Controller accesses.
For information on the Static Memory Controller, refer to the Static Memory Controller Section.
For information on the SDRAM Controller, refer to the SDRAMC Section.
For information on the ECC Controller, refer to the ECCC Section.
The External Bus Interface integrates circuitry that interfaces to CompactFlash devices.
The CompactFlash logic is driven by the Static Memory Controller (SMC) on the NCS4 and/or
NCS2 address space. Programming the CS4A and/or CS2A bit of the Chip Select Assignment
Register
enables this logic. Access to an external CompactFlash device is then made by accessing the
• The Static Memory Controller (SMC)
• The SDRAM Controller (SDRAMC)
• The ECC Controller (ECC)
• A chip select assignment feature that assigns an ASB address space to the external devices
• A multiplex controller circuit that shares the pins between the different Memory Controllers
• Programmable CompactFlash support logic
• Programmable NAND Flash support logic
(See “EBI Chip Select Assignment Register” on page
SAM7SE512/256/32 Preliminary
158.) to the appropriate value
141
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