SAM7X512 Atmel Corporation, SAM7X512 Datasheet - Page 540
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SAM7X512
Manufacturer Part Number
SAM7X512
Description
Manufacturer
Atmel Corporation
Specifications of SAM7X512
Flash (kbytes)
512 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)
128
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
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36.8.5
Name:
Access Type:
• MBx: Mailbox x Event
0 = No event occurred on Mailbox x.
1 = An event occurred on Mailbox x.
An event corresponds to MRDY, MABT fields in the CAN_MSRx register.
• ERRA: Error Active Mode
0 = CAN controller is not in Error Active Mode.
1 = CAN controller is in Error Active Mode.
This flag is set depending on TEC and REC counter values. It is set when node is neither in Error Passive Mode nor in Bus
Off Mode.
This flag is automatically reset when above condition is not satisfied. Refer to
page 515
• WARN: Warning Limit
0 = CAN controller Warning Limit is not reached.
1 = CAN controller Warning Limit is reached.
This flag is set depending on TEC and REC counter values. It is set when at least one of the counter values exceeds 96.
This flag is automatically reset when above condition is not satisfied. Refer to
page 515
• ERRP: Error Passive Mode
0 = CAN controller is not in Error Passive Mode.
1 = CAN controller is in Error Passive Mode.
This flag is set depending on TEC and REC counters values.
A node is error passive when TEC counter is greater or equal to 128 (decimal) or when the REC counter is greater or equal
to 128 (decimal).
This flag is automatically reset when above condition is not satisfied. Refer to
page 515
540
OVLSY
TSTP
MB7
31
23
15
–
7
SAM7X512/256/128
for more information.
for more information.
for more information.
CAN Status Register
TBSY
TOVF
MB6
30
22
14
CAN_SR
Read-only
–
6
WAKEUP
RBSY
MB5
29
21
13
–
5
SLEEP
BERR
MB4
28
20
12
–
4
FERR
BOFF
MB3
27
19
11
–
3
Section 36.6.4.6 “Error Interrupt Handler” on
Section 36.6.4.6 “Error Interrupt Handler” on
Section 36.6.4.6 “Error Interrupt Handler” on
AERR
ERRP
MB2
26
18
10
–
2
WARN
SERR
MB1
25
17
9
–
1
6120I–ATARM–06-Apr-11
CERR
ERRA
MB0
24
16
8
–
0
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