AT91SAM7X128 Atmel, AT91SAM7X128 Datasheet - Page 561

• Manufacturer Part Number: AT91SAM7X128
• Description: MCU 32-Bit 91S ARM7TDMI RISC 128KB Flash 1.8V/3.3V 100-Pin LQFP
• Manufacturer: Atmel

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

36.8.19
Name:
Access Type:
• MDLC: Mailbox Data Length Code
• MRTR: Mailbox Remote Transmission Request
Consumer situations can be handled automatically by setting the mailbox object type in Consumer. This requires only one
mailbox.
It can also be handled using two mailboxes, one in reception, the other in transmission. The MRTR and the MTCR bits
must be set in the same time.
6120H–ATARM–17-Feb-09
MTCR
31
23
15
Receive with overwrite
Receive with overwrite
–
–
7
–
Mailbox Object Type
Mailbox Object Type
CAN Message Control Register
Consumer
Consumer
Producer
Producer
Transmit
Transmit
Receive
Receive
MACR
30
22
14
CAN_MCRx
Write-only
–
–
6
–
Description
No action.
No action.
Length of the mailbox message.
No action.
Length of the mailbox message to be sent after the remote frame reception.
Description
No action
No action
Set the RTR bit in the sent frame
No action, the RTR bit in the sent frame is set automatically
No action
29
21
13
–
–
–
5
–
MRTR
AT91SAM7X512/256/128 Preliminary
28
20
12
–
–
4
–
27
19
11
–
–
3
–
26
18
10
–
–
2
–
MDLC
25
17
–
9
–
1
–
24
16
–
8
–
0
–
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