AT91SAM7L64-AU Atmel, AT91SAM7L64-AU Datasheet - Page 161
AT91SAM7L64-AU
Manufacturer Part Number
AT91SAM7L64-AU
Description
MCU ARM7 64K HS FLASH 128-LQFP
Manufacturer
Atmel
Series
AT91SAMr
Specifications of AT91SAM7L64-AU
Core Processor
ARM7
Core Size
16/32-Bit
Speed
36MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
80
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
6K x 8
Voltage - Supply (vcc/vdd)
1.55 V ~ 1.8 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
128-LQFP
Controller Family/series
AT91SAM7xxx
No. Of I/o's
80
Ram Memory Size
6KB
Cpu Speed
36MHz
No. Of Timers
1
Rohs Compliant
Yes
Processor Series
AT91SAMx
Core
ARM7TDMI
Data Bus Width
32 bit
Data Ram Size
6 KB
Interface Type
2-Wire, SPI, USART
Maximum Clock Frequency
36 MHz
Number Of Programmable I/os
80
Number Of Timers
3
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
JTRACE-ARM-2M, MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
AT91SAM-ICE, AT91-ISP, AT91SAM7L-EK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 4 Channel
For Use With
AT91SAM7L-STK - KIT EVAL FOR AT91SAM7LAT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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Table 20-4.
20.2.4.2
Table 20-5.
6257A–ATARM–20-Feb-08
Step
1
2
3
4
5
6
Step
1
2
3
4
5
6
7
8
Programmer Action
Sets MODE and DATA signals
Clears NCMD signal
Waits for RDY low
Releases MODE and DATA signals
Sets NCMD signal
Waits for RDY high
Programmer Action
Sets MODE and DATA signals
Clears NCMD signal
Waits for RDY low
Sets DATA signal in tristate
Clears NOE signal
Waits for NVALID low
Reads value on DATA Bus
Read Handshaking
Write Handshake
Read Handshake
For details on the read handshaking sequence, refer to
Figure 20-4.
MODE[3:0]
DATA[15:0]
NVALID
NCMD
Parallel Programming Timing, Read Sequence
NOE
RDY
1
Device Action
Waits for NCMD low
Latches MODE and DATA
Clears RDY signal
Executes command and polls NCMD high
Executes command and polls NCMD high
Sets RDY
Device Action
Waits for NCMD low
Latch MODE and DATA
Clears RDY signal
Waits for NOE Low
Sets DATA bus in output mode and outputs
the flash contents.
Clears NVALID signal
Waits for NOE high
2
Adress IN
ADDR
3
AT91SAM7L128/64 Preliminary
4
5
Z
6
Figure 20-4
7
Data OUT
8
9
and
Data I/O
Input
Input
Input
Input
Input
Input
DATA I/O
Input
Input
Input
Input
Tristate
Output
Output
Output
10
11
Table
X
12
20-5.
13
IN
161
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