AT91SAM7X128 Atmel, AT91SAM7X128 Datasheet - Page 557
AT91SAM7X128
Manufacturer Part Number
AT91SAM7X128
Description
MCU 32-Bit 91S ARM7TDMI RISC 128KB Flash 1.8V/3.3V 100-Pin LQFP
Manufacturer
Atmel
Datasheet
1.AT91SAM7X512-AU-999.pdf
(687 pages)
Specifications of AT91SAM7X128
Package
100LQFP
Device Core
ARM7TDMI
Family Name
91S
Maximum Speed
55 MHz
Ram Size
32 KB
Program Memory Size
128 KB
Operating Supply Voltage
1.8|3.3 V
Data Bus Width
32 Bit
Program Memory Type
Flash
Number Of Programmable I/os
62
Interface Type
CAN/Ethernet/SPI/I2S/TWI/USART/USB
On-chip Adc
8-chx10-bit
Operating Temperature
-40 to 85 °C
Number Of Timers
3
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• MRTR: Mailbox Remote Transmission Request
• MABT: Mailbox Message Abort
An interrupt is triggered when MABT is set.
0 = Previous transfer is not aborted.
1 = Previous transfer has been aborted.
This flag is cleared by writing to CAN_MCRx register
• MRDY: Mailbox Ready
An interrupt is triggered when MRDY is set.
0 = Mailbox data registers can not be read/written by the software application. CAN_MDx are locked by the CAN_MDx.
1 = Mailbox data registers can be read/written by the software application.
This flag is cleared by writing to CAN_MCRx register.
6120H–ATARM–17-Feb-09
Mailbox Object Type
Receive
Receive with overwrite
Transmit
Consumer
Producer
Mailbox Object Type
Receive
Receive with overwrite
Transmit
Consumer
Producer
Mailbox Object Type
Receive
Receive with overwrite
Transmit
Consumer
Producer
The first frame received has the RTR bit set.
Reserved
Reserved
Reserved
Previous transfer has been aborted
The remote frame transfer request has been aborted.
The response to the remote frame transfer has been aborted.
At least one message has been received since the last mailbox transfer order. Data from the first frame
received can be read in the CAN_MDxx registers.
After setting the MOT field in the CAN_MMR, MRDY is reset to 0.
At least one frame has been received since the last mailbox transfer order. Data from the last frame received
can be read in the CAN_MDxx registers.
After setting the MOT field in the CAN_MMR, MRDY is reset to 0.
Mailbox data have been transmitted.
After setting the MOT field in the CAN_MMR, MRDY is reset to 1.
At least one message has been received since the last mailbox transfer order. Data from the first message
received can be read in the CAN_MDxx registers.
After setting the MOT field in the CAN_MMR, MRDY is reset to 0.
A remote frame has been received, mailbox data have been transmitted.
After setting the MOT field in the CAN_MMR, MRDY is reset to 1.
Description
The last frame received has the RTR bit set.
Reserved. After setting the MOT field in the CAN_MMR, MRTR is reset to 1.
Reserved. After setting the MOT field in the CAN_MMR, MRTR is reset to 0.
Description
Description
AT91SAM7X512/256/128 Preliminary
557
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