AT91SAM9M10-CU Atmel, AT91SAM9M10-CU Datasheet - Page 1054
AT91SAM9M10-CU
Manufacturer Part Number
AT91SAM9M10-CU
Description
IC MCU 16/32BIT ARM9 324TFBGA
Manufacturer
Atmel
Series
AT91SAMr
Specifications of AT91SAM9M10-CU
Core Processor
ARM9
Core Size
16/32-Bit
Speed
400MHz
Connectivity
EBI/EMI, Ethernet, I²C, SPI, SSC, UART/USART, USB
Peripherals
AC'97, DMA, LCD, POR, PWM, WDT
Number Of I /o
160
Program Memory Size
64KB (64K x 8)
Program Memory Type
ROM
Ram Size
128K x 8
Voltage - Supply (vcc/vdd)
0.9 V ~ 1.1 V
Data Converters
A/D 8x10b
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
32 KB
Interface Type
2-Wire, SPI, USART
Maximum Clock Frequency
133 MHz
Number Of Programmable I/os
5
Number Of Timers
2 x 16 bit
Operating Supply Voltage
1.65 V to 3.6 V
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, AT91SAM9M10-G45-EK
Controller Family/series
AT91
No. Of I/o's
160
Ram Memory Size
64KB
Cpu Speed
400MHz
No. Of Timers
2
Rohs Compliant
Yes
Cpu Family
AT91
Device Core
ARM926EJ-S
Device Core Size
32b
Frequency (max)
400MHz
Total Internal Ram Size
64KB
# I/os (max)
160
Number Of Timers - General Purpose
7
Operating Supply Voltage (typ)
1.8/2.5/3.3V
Operating Supply Voltage (max)
1.1/1.95/3.6V
Operating Supply Voltage (min)
0.9/1.65/1.8/3V
On-chip Adc
8-chx10-bit
Instruction Set Architecture
RISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
324
Package Type
TFBGA
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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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT91SAM9M10-CU
Manufacturer:
Atmel
Quantity:
996
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43.7.3.1
43.7.3.2
1054
AT91SAM9M10
AC97 Controller Setup
Transmit Operation
The following operations must be performed in order to bring the AC97 Controller into an operat-
ing state:
The application must perform the following steps in order to send data via a channel to the AC97
Codec:
Once data has been transferred to the Channel x Shift Register, the TXRDY flag is automatically
set by the AC97 Controller which allows the application to start a new write action. The applica-
tion can also wait for an interrupt notice associated with TXRDY in order to send data. The
interrupt remains active until TXRDY flag is cleared.
1. Enable the AC97 Controller clock in the PMC controller.
2. Turn on AC97 function by enabling the ENA bit in AC97 Controller Mode Register
3. Configure the input channel assignment by controlling the AC97 Controller Input
4. Configure the output channel assignment by controlling the AC97 Controller Input
5. Configure sample width for Channel A, Channel Bby writing the SIZE bit field in AC97C
6. Configure data Endianness for Channel A, Channel B by writing CEM bit field in
7. Configure the PIO controller to drive the RESET signal of the external Codec. The
8. Enable Channel A and/or Channel B by writing CEN bit field in AC97C_CxMR register.
• Check if previous data has been sent by polling TXRDY flag in the AC97C Channel x Status
• Write data to the AC97 Controller Channel x Transmit Holding Register (AC97C_CxTHR).
Register (AC97_CxSR). x being one of the 2 channels.
(AC97C_MR).
Assignment Register (AC97C_ICA).
Assignment Register (AC97C_OCA).
Channel x Mode Register (AC97C_CAMR), (AC97C_CBMR). The application can write
10, 16, 18,or 20-bit wide PCM samples through the AC97 interface and they will be
transferred into 20-bit wide slots.
(AC97C_CAMR), (AC97C_CBMR) register. Data on the AC-link are shifted MSB first.
The application can write little- or big-endian data to the AC97 Controller interface.
RESET signal must fulfill external AC97 Codec timing requirements.
6355B–ATARM–21-Jun-10
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