SAM7X128 Atmel Corporation, SAM7X128 Datasheet - Page 558

• Manufacturer Part Number: SAM7X128
• Manufacturer: Atmel Corporation

Specifications of SAM7X128

• Flash (kbytes): 128 Kbytes
• Pin Count: 100
• Max. Operating Frequency: 55 MHz
• Cpu: ARM7TDMI
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 62
• Ext Interrupts: 62
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 2
• Twi (i2c): 1
• Uart: 3
• Can: 1
• Ssc: 1
• Ethernet: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 384
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 32
• Self Program Memory: NO
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 3.3
• Operating Voltage (vcc): 3.0 to 3.6
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 3
• Output Compare Channels: 3
• Input Capture Channels: 3
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

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.
558
MTCR
31
23
15
Receive with overwrite
Receive with overwrite
–
–
7
–
Mailbox Object Type
Mailbox Object Type
SAM7X512/256/128
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
28
20
12
–
–
4
–
27
19
11
–
–
3
–
26
18
10
–
–
2
–
MDLC
25
17
–
9
–
1
–
6120I–ATARM–06-Apr-11
24
16
–
8
–
0
–