SAM9G45 Atmel Corporation, SAM9G45 Datasheet - Page 1035

• Manufacturer Part Number: SAM9G45
• Manufacturer: Atmel Corporation

Specifications of SAM9G45

• Flash (kbytes): 0 Kbytes
• Pin Count: 324
• Max. Operating Frequency: 400 MHz
• Cpu: ARM926
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 160
• Ext Interrupts: 160
• Usb Transceiver: 3
• Usb Speed: Hi-Speed
• Usb Interface: Host, Device
• Spi: 2
• Twi (i2c): 2
• Uart: 5
• Lin: 4
• Ssc: 2
• Ethernet: 1
• Sd / Emmc: 2
• Graphic Lcd: Yes
• Video Decoder: No
• Camera Interface: Yes
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 440
• Resistive Touch Screen: Yes
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 64
• Self Program Memory: NO
• External Bus Interface: 2
• Dram Memory: DDR2/LPDDR, SDRAM/LPSDR
• Nand Interface: Yes
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8/3.3
• Operating Voltage (vcc): 0.9 to 1.1
• Fpu: No
• Mpu / Mmu: No/Yes
• Timers: 6
• Output Compare Channels: 6
• Input Capture Channels: 6
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

43.7.3
Figure 43-4. Logical Channel Assignment
6438G–ATARM–19-Apr-11
(Controller Output)
(Codec output)
AC97 Controller Channel Organization
AC97RX
AC97FS
AC97TX
Slot #
AC97C_ICA = 0x0000_0009
AC97C_OCA = 0x0000_0209
TAG
TAG
0
The AC97 Controller features a Codec channel and 2 logical channels: Channel A, Channel B.
The Codec channel controls AC97 Codec registers, it enables write and read configuration val-
ues in order to bring the AC97 Codec to an operating state. The Codec channel always runs slot
1 and slot 2 exclusively, in both input and output directions.
Channel A, Channel B transfer data to/from AC97 codec. All audio samples and modem data
must transit by these 2 channels. However, Channels A and B are connected to PDC channels
thus making it suitable for audio streaming applications.
Each slot of the input or the output frame that belongs to this range [3 to 12] can be operated by
Channel A or Channel B . The slot to channel assignment is configured by two registers:
The AC97 Controller Input Channel Assignment Register (AC97C_ICA) configures the input slot
to channel assignment. The AC97 Controller Output Channel Assignment Register
(AC97C_OCA) configures the output slot to channel assignment.
A slot can be left unassigned to a channel by the AC97 Controller. Slots 0, 1,and 2 cannot be
assigned to Channel A or to Channel Bthrough the AC97C_OCA and AC97C_ICA Registers.
The width of sample data, that transit via the Channel varies and can take one of these values;
10, 16, 18 or 20 bits.
STATUS
• AC97 Controller Input Channel Assignment Register (AC97C_ICA)
• AC97 Controller Output Channel Assignment Register (AC97C_OCA)
ADDR
ADDR
CMD
Codec Channel
1
Codec Channel
STATUS
DATA
DATA
CMD
2
3
L Front
LEFT
PCM
PCM
Channel A
Channel A
R Front
RIGHT
4
PCM
PCM
LINE 1
LINE 1
5
DAC
DAC
6
Center
PCM
PCM
MIC
L SURR
RSVED
7
PCM
R SURR
RSVED
PCM
8
RSVED
PCM
9
LFE
LINE 2
LINE 2
10
ADC
DAC
11
SAM9G45
HSET
HSET
ADC
DAC
STATUS
12
CTRL
IO
IO
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