AT91SAM9260B-QU Atmel, AT91SAM9260B-QU Datasheet - Page 774
![IC ARM9 MCU 208-PQFP](/photos/6/73/67311/313-208-pqfp_sml.jpg)
AT91SAM9260B-QU
Manufacturer Part Number
AT91SAM9260B-QU
Description
IC ARM9 MCU 208-PQFP
Manufacturer
Atmel
Series
AT91SAMr
Specifications of AT91SAM9260B-QU
Core Processor
ARM9
Core Size
16/32-Bit
Speed
180MHz
Connectivity
EBI/EMI, Ethernet, I²C, MMC, SPI, SSC, UART/USART, USB
Peripherals
POR, WDT
Number Of I /o
96
Program Memory Size
32KB (32K x 8)
Program Memory Type
ROM
Ram Size
24K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
208-MQFP, 208-PQFP
Package
208PQFP
Device Core
ARM926EJ-S
Family Name
91S
Maximum Speed
180 MHz
Operating Supply Voltage
1.8|3.3 V
Data Bus Width
32 Bit
Number Of Programmable I/os
96
Interface Type
EBI/Ethernet/SPI/TWI/UART/USART/USB
On-chip Adc
4-chx10-bit
Number Of Timers
6
Processor Series
AT91SAMx
Core
ARM926EJ-S
Data Ram Size
8 KB
Maximum Clock Frequency
180 MHz
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, AT91SAM9260-EK
Minimum Operating Temperature
- 40 C
Cpu Family
AT91
Device Core Size
32b
Frequency (max)
180MHz
Total Internal Ram Size
8KB
# I/os (max)
96
Number Of Timers - General Purpose
6
Operating Supply Voltage (typ)
1.8/3.3V
Operating Supply Voltage (max)
1.95/3.6V
Operating Supply Voltage (min)
1.65/3V
Instruction Set Architecture
RISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
208
Package Type
PQFP
For Use With
AT91SAM9260-EK - KIT EVAL FOR AT91SAM9260AT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
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Manufacturer
Quantity
Price
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43.3.8
43.3.8.1
43.3.8.2
43.3.9
43.3.9.1
43.3.9.2
774
AT91SAM9260
Serial Peripheral Interface (SPI)
Serial Synchronous Controller (SSC)
Bad Serial Clock Generation on Second chip_select when SCBR = 1, CPOL = 1 and NCPHA = 0
Baudrate Set to 1
Unexpected RK Clock Cycle when RK Outputs a Clock During Data Transfer
Incorrect First RK Clock Cycle when RK Outputs a Clock During Data Transfer
If the SPI is used in the following configuration:
then an additional pulse will be generated on output PSCK during the second transfer.
Do not use a multiple Chip Select configuration where at least one SCRx register is configured
with SCBR = 1 and the others differ from 1 if CPHA = 0 and CPOL = 1.
If all chip selects are configured with Baudrate = 1, the issue does not appear.
When Baudrate is set to 1 (i.e., when serial clock frequency equals the system clock frequency),
and when the fields BITS (number of bits to be transmitted) equals an ODD value (in this case
9,11,13 or 15), an additional pulse is generated on output SPCK. No error occurs if BITS field
equals 8,10,12,14 or 16 and Baudrate = 1.
None.
When the SSC receiver is used in the following configuration:
then, at the end of the data, the RK pin is set in high impedance which may be interpreted as an
unexpected clock cycle.
Enable the pull-up on RK pin.
When the SSC receiver is used in the following configuration:
• master mode
• CPOL = 1 and NCPHA = 0
• multiple chip selects used with one transfer with Baud rate (SCBR) equal to 1 (i.e., when
• transmit with the slowest chip select and then with the fastest one
• the internal clock divider is used (CKS = 0 and DIV different from 0),
• RK pin set as output and provides the clock during data transfer (CKO = 2)
• data sampled on RK falling edge (CKI = 0)
• RX clock is divided clock (CKS = 0 and DIV different from 0)
• RK pin set as output and provides the clock during data transfer (CKO = 2)
• data sampled on RK falling edge (CKI = 0)
serial clock frequency equals the system clock frequency) and the other transfers set with
SCBR not equal to 1
Problem Fix/Workaround
Problem Fix/Workaround
Problem Fix/Workaround
END
6221I–ATARM–17-Jul-09
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