AT91SAM7X128B-AU Atmel, AT91SAM7X128B-AU Datasheet - Page 549
AT91SAM7X128B-AU
Manufacturer Part Number
AT91SAM7X128B-AU
Description
IC MCU 128KB FLASH 100LQFP
Manufacturer
Atmel
Series
AT91SAMr
Specifications of AT91SAM7X128B-AU
Core Processor
ARM7
Core Size
16/32-Bit
Speed
55MHz
Connectivity
CAN, Ethernet, I²C, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
62
Program Memory Size
128KB (128K 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
100-LQFP
Processor Series
AT91SAMx
Core
ARM7TDMI
Data Bus Width
32 bit
Data Ram Size
32 KB
Interface Type
JTAG, SPI, UART
Maximum Clock Frequency
55 MHz
Number Of Timers
1
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
JTRACE-ARM-2M, KSK-AT91SAM7X-PL, MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
AT91SAM-ICE, AT91-ISP, AT91SAM7X-EK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Controller Family/series
AT91SAM7xxxxx
No. Of I/o's
62
Ram Memory Size
32KB
Cpu Speed
55MHz
No. Of Timers
1
Rohs Compliant
Yes
Cpu Family
91S
Device Core
ARM7TDMI
Device Core Size
32b
Frequency (max)
55MHz
Total Internal Ram Size
32KB
# I/os (max)
62
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
Instruction Set Architecture
RISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
100
Package Type
LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT91SAM7X128B-AU
Manufacturer:
Atmel
Quantity:
1 929
Part Number:
AT91SAM7X128B-AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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36.8.12
Name:
Access Type:
• MTIMEMARK: Mailbox Timemark
This field is active in Time Triggered Mode. Transmit operations are allowed when the internal timer counter reaches the
Mailbox Timemark. See
In Timestamp Mode, MTIMEMARK is set to 0.
• PRIOR: Mailbox Priority
This field has no effect in receive and receive with overwrite modes. In these modes, the mailbox with the lowest number is
serviced first.
When several mailboxes try to transmit a message at the same time, the mailbox with the highest priority is serviced first. If
several mailboxes have the same priority, the mailbox with the lowest number is serviced first (i.e., MBx0 is serviced before
MBx 15 if they have the same priority).
• MOT: Mailbox Object Type
This field allows the user to define the type of the mailbox. All mailboxes are independently configurable. Five different
types are possible for each mailbox:
6120I–ATARM–06-Apr-11
MTIMEMARK15
MTIMEMARK7
31
23
15
–
–
7
0
0
0
0
1
1
1
CAN Message Mode Register
MTIMEMARK14
MTIMEMARK6
30
22
14
CAN_MMRx
Read-write
–
–
6
MOT
“Transmitting within a Time Window” on page
0
0
1
1
0
0
1
MTIMEMARK13
MTIMEMARK5
29
21
13
–
–
5
X
0
1
0
1
0
1
MTIMEMARK12
MTIMEMARK4
28
20
12
–
–
4
Mailbox is disabled. This prevents receiving or transmitting any messages
with this mailbox.
Reception Mailbox. Mailbox is configured for reception. If a message is
received while the mailbox data register is full, it is discarded.
Reception mailbox with overwrite. Mailbox is configured for reception. If a
message is received while the mailbox is full, it overwrites the previous
message.
Transmit mailbox. Mailbox is configured for transmission.
Consumer Mailbox. Mailbox is configured in reception but behaves as a
Transmit Mailbox, i.e., it sends a remote frame and waits for an answer.
Producer Mailbox. Mailbox is configured in transmission but also behaves
like a reception mailbox, i.e., it waits to receive a Remote Frame before
sending its contents.
Reserved
SAM7X512/256/128 Preliminary
MTIMEMARK11
MTIMEMARK3
27
19
11
–
3
529.
MTIMEMARK10
Mailbox Object Type
MTIMEMARK2
26
18
10
2
PRIOR
MTIMEMARK9
MTIMEMARK1
MOT
25
17
9
1
MTIMEMARK8
MTIMEMARK0
24
16
8
0
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