AT91SAM9263B-CU Atmel, AT91SAM9263B-CU Datasheet - Page 656
AT91SAM9263B-CU
Manufacturer Part Number
AT91SAM9263B-CU
Description
IC ARM9 MCU 200 MHZ 324-TFBGA
Manufacturer
Atmel
Series
AT91SAMr
Specifications of AT91SAM9263B-CU
Core Processor
ARM9
Core Size
16/32-Bit
Speed
240MHz
Connectivity
CAN, Ethernet, I²C, MMC, SPI, SSC, UART/USART, USB
Peripherals
AC'97, LCD, POR, PWM, WDT
Number Of I /o
160
Program Memory Size
128KB (128K x 8)
Program Memory Type
ROM
Ram Size
128K x 8
Voltage - Supply (vcc/vdd)
1.08 V ~ 1.32 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
324-TFBGA
Processor Series
AT91SAMx
Core
ARM926EJ-S
Data Bus Width
32 bit
Data Ram Size
96 KB
Interface Type
2-Wire, EBI, I2S, MCI, SPI, USART
Maximum Clock Frequency
200 MHz
Number Of Programmable I/os
160
Number Of Timers
4
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
JTRACE-ARM-2M, MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
AT91SAM-ICE, AT91-ISP, AT91SAM9263-EK
Minimum Operating Temperature
- 40 C
Package
324TFBGA
Device Core
ARM926EJ-S
Family Name
91S
Maximum Speed
200 MHz
Operating Supply Voltage
1.8|2.5|3.3 V
Controller Family/series
AT91SAM9xxx
No. Of I/o's
160
Ram Memory Size
96KB
Cpu Speed
240MHz
No. Of Timers
1
Rohs Compliant
Yes
For Use With
AT91SAM9263-EK - KIT EVAL FOR AT91SAM9263AT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
Q3735625
Available stocks
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Manufacturer
Quantity
Price
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Quantity:
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Part Number:
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Manufacturer:
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37.6.4
37.6.4.1
6249H–ATARM–27-Jul-09
CAN 2.0 Standard Features
CAN Bit Timing Configuration
All controllers on a CAN bus must have the same bit rate and bit length. At different clock fre-
quencies of the individual controllers, the bit rate has to be adjusted by the time segments.
The CAN protocol specification partitions the nominal bit time into four different segments:
Figure 37-4. Partition of the CAN Bit Time
The TIME QUANTUM (TQ) is a fixed unit of time derived from the MCK period. The total number
of TIME QUANTA in a bit time is programmable from 8 to 25.
SYNC SEG: SYNChronization Segment.
This part of the bit time is used to synchronize the various nodes on the bus. An edge is
expected to lie within this segment. It is 1 TQ long.
This part of the bit time is used to compensate for the physical delay times within the network. It
is twice the sum of the signal’s propagation time on the bus line, the input comparator delay, and
the output driver delay. It is programmable to be 1,2,..., 8 TQ long.
This parameter is defined in the PROPAG field of the
The Phase-Buffer-Segments are used to compensate for edge phase errors. These segments
can be lengthened (PHASE SEG1) or shortened (PHASE SEG2) by resynchronization.
Phase Segment 1 is programmable to be 1,2,..., 8 TQ long.
Phase Segment 2 length has to be at least as long as the Information Processing Time (IPT)
and may not be more than the length of Phase Segment 1.
These parameters are defined in the PHASE1 and PHASE2 fields of the
Register”.
The Information Processing Time (IPT) is the time required for the logic to determine the bit level
of a sampled bit. The IPT begins at the sample point, is measured in TQ and is fixed at 2 TQ for
the Atmel CAN. Since Phase Segment 2 also begins at the sample point and is the last seg-
ment in the bit time, PHASE SEG2 shall not be less than the IPT.
• TIME QUANTUM
• PROP SEG: PROPagation Segment.
• PHASE SEG1, PHASE SEG2: PHASE Segment 1 and 2.
• INFORMATION PROCESSING TIME:
• SAMPLE POINT:
SYNC_SEG
PROP_SEG
NOMINAL BIT TIME
PHASE_SEG1
”CAN Baudrate
Sample Point
PHASE_SEG2
AT91SAM9263
Register”.
”CAN Baudrate
656
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