AT91SAM9263B-CU Atmel, AT91SAM9263B-CU Datasheet - Page 285
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
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6249H–ATARM–27-Jul-09
4. After the DMAC selected channel has been programmed, enable the channel by writing
5. Source and destination request single and burst DMAC transactions to transfer the
6. When the block transfer has completed, the DMAC reloads the DMAC_SARx,
7. The DMA transfer proceeds as follows:
a. Write the starting source address in the DMAC_SARx register for channel x.
b. Write the starting destination address in the DMAC_DARx register for channel x.
c. Program DMAC_CTLx and DMAC_CFGx according to Row 4 as shown in
d. Write the control information for the DMA transfer in the DMAC_CTLx register for
– i. Set up the transfer type (memory or non-memory peripheral for source and
– ii. Set up the transfer characteristics, such as:
e. If gather is enabled (DMAC_CTLx.S_GATH_EN is enabled), program the
f.
g. Write the channel configuration information into the DMAC_CFGx register for chan-
– i. Designate the handshaking interface type (hardware or software) for the source
– ii. If the hardware handshaking interface is activated for the source or destination
a ‘1’ to the DMAC_ChEnReg.CH_EN bit. Make sure that bit 0 of the
DMAC_DmaCfgReg register is enabled.
block of data (assuming non-memory peripherals). The DMAC acknowledges on com-
pletion of each burst/single transaction and carry out the block transfer.
DMAC_DARx and DMAC_CTLx registers. Hardware sets the Block Complete interrupt.
The DMAC then samples the row number as shown in
DMAC is in Row 1, then the DMA transfer has completed. Hardware sets the transfer
complete interrupt and disables the channel. So you can either respond to the Block
Complete or Transfer Complete interrupts, or poll for the Channel Enable
(DMAC_ChEnReg.CH_EN) bit until it is disabled, to detect when the transfer is com-
plete. If the DMAC is not in Row 1, the next step is performed.
destination) and flow control device by programming the TT_FC of the DMAC_CTLx
register.
and destination peripherals. This is not required for memory. This step requires
programming the HS_SEL_SRC/HS_SEL_DST bits, respectively. Writing a ‘0’
activates the hardware handshaking interface to handle source/destination requests
for the specific channel. Writing a ‘1’ activates the software handshaking interface to
handle source/destination requests.
peripheral, assign handshaking interface to the source and destination peripheral.
This requires programming the SRC_PER and DEST_PER bits, respectively.
– Transfer width for the source in the SRC_TR_WIDTH field.
– Transfer width for the destination in the DST_TR_WIDTH field.
– Source master layer in the SMS field where source resides.
– Destination master layer in the DMS field where destination resides.
– Incrementing/decrementing or fixed address for source in SINC field.
– Incrementing/decrementing or fixed address for destination in DINC field.
25-2 on page
channel x. For example, in the register, you can program the following:
DMAC_SGRx register for channel x.
If scatter is enabled (DMAC_CTLx.D_SCAT_EN), program the DMAC_DSRx regis-
ter for channel x.
nel x. Ensure that the reload bits, DMAC_CFGx. RELOAD_SR and
DMAC_CFGx.RELOAD_DS are enabled.
277. Program the DMAC_LLPx register with ‘0’.
Table 25-2 on page
AT91SAM9263
277. If the
Table
285
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