AT91SAM7S64C-AU Atmel, AT91SAM7S64C-AU Datasheet - Page 131
![IC ARM7 MCU 32BIT 64K 64LQFP](/photos/12/13/121332/313-64-tqfp_sml.jpg)
AT91SAM7S64C-AU
Manufacturer Part Number
AT91SAM7S64C-AU
Description
IC ARM7 MCU 32BIT 64K 64LQFP
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM7S16-MU.pdf
(779 pages)
Specifications of AT91SAM7S64C-AU
Package / Case
64-LQFP
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Operating Temperature
-40°C ~ 85°C
Speed
55MHz
Number Of I /o
32
Core Processor
ARM7
Program Memory Type
FLASH
Ram Size
16K x 8
Program Memory Size
64KB (64K x 8)
Data Converters
A/D 8x10b
Oscillator Type
Internal
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Connectivity
I²C, SPI, SSC, UART/USART, USB
Core Size
16/32-Bit
Core
ARM7TDMI
Package
64LQFP
Device Core
ARM7TDMI
Family Name
AT91
Maximum Speed
55 MHz
Operating Supply Voltage
1.8|3.3 V
Data Bus Width
32 Bit
Number Of Programmable I/os
32
Interface Type
SPI/TWI/USART/USB
On-chip Adc
8-chx10-bit
Number Of Timers
3
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Other names
AT91SAM7S64B-AU::AT91SAM7S64B-AU
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT91SAM7S64C-AU
Manufacturer:
ATMEL
Quantity:
4 300
Part Number:
AT91SAM7S64C-AU
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
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20.2.5.2
6175K–ATARM–30-Aug-10
Flash Write Command
Table 20-7.
This command is used to write the Flash contents.
The Flash memory plane is organized into several pages. Data to be written are stored in a load
buffer that corresponds to a Flash memory page. The load buffer is automatically flushed to the
Flash:
The Write Page command (WP) is optimized for consecutive writes. Write handshaking can be
chained; an internal address buffer is automatically increased.
Table 20-8.
Table 20-9.
Step
n+1
n+2
n+3
n+4
n+5
...
Step
1
2
3
4
5
...
n
n+1
n+2
n+3
...
Step
1
2
3
4
• before access to any page other than the current one
• when a new command is validated (MODE = CMDE)
Handshake Sequence
Write handshaking
Write handshaking
Write handshaking
Read handshaking
Read handshaking
...
Handshake Sequence
Write handshaking
Write handshaking
Write handshaking
Write handshaking
Write handshaking
...
Write handshaking
Write handshaking
Write handshaking
Write handshaking
...
Handshake Sequence
Write handshaking
Write handshaking
Write handshaking
Write handshaking
Read Command (Continued)
Write Command
Write Command
AT91SAM7S Series Preliminary
ADDR1
...
ADDR1
DATA
DATA
...
MODE[3:0]
CMDE
ADDR0
ADDR1
ADDR2
MODE[3:0]
CMDE
ADDR0
DATA
DATA
ADDR0
MODE[3:0]
ADDR1
ADDR2
ADDR3
DATA
DATA
...
DATA[7:0]
Memory Address LSB
Memory Address
Memory Address
DATA[15:0]
WP or WPL or EWP or EWPL
Memory Address LSB
Memory Address
*Memory Address++
*Memory Address++
...
Memory Address LSB
Memory Address
*Memory Address++
*Memory Address++
...
WP or WPL or EWP or EWPL
Memory Address
Memory Address
Memory Address
*Memory Address++
*Memory Address++
...
DATA[7:0]
131
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