AT91SAM7SE512-AU Atmel, AT91SAM7SE512-AU Datasheet - Page 164
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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22.6.1.2
Figure 22-3. Memory Connections for Eight External Devices
Note:
22.6.1.3
164
1. The maximum address space per device is 8 Mbytes.
SAM7SE512/256/32 Preliminary
SMC
Chip Select Lines
Data Bus Width
NWR[1:0]
NCS[7:0]
A[22:0]
D[15:0]
NRD
The Static Memory Controller provides up to eight chip select lines: NCS0 to NCS7.
A data bus width of 8 or 16 bits can be selected for each chip select. This option is controlled by
the DBW field in the SMC_CSR for the corresponding chip select. See
ters” on page
Figure 22-4
Figure 22-4. Memory Connection for an 8-bit Data Path Device
Figure 22-5
shows how to connect a 512K x 8-bit memory on NCS2 (DBW = 10).
shows how to connect a 512K x 16-bit memory on NCS2 (DBW = 01).
196.
SMC
D[15:8]
A[22:1]
NWR1
NWR0
D[7:0]
NCS2
NRD
A0
(1)
8 or 16
NCS0
NCS1
NCS2
Memory Enable
Output Enable
Write Enable
A[22:0]
D[15:0] or D[7:0]
NCS3
Memory Enable
NCS4
NCS5
Memory Enable
Memory Enable
NCS6
Memory Enable
NCS7
A[22:1]
A0
Write Enable
Output Enable
Memory Enable
D[7:0]
Memory Enable
Memory Enable
Memory Enable
“SMC Chip Select Regis-
6222F–ATARM–14-Jan-11
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