AT91SAM9G45-CU Atmel, AT91SAM9G45-CU Datasheet - Page 1083
AT91SAM9G45-CU
Manufacturer Part Number
AT91SAM9G45-CU
Description
MCU ARM9 324-TFBGA
Manufacturer
Atmel
Series
AT91SAMr
Datasheets
1.AT91SAM9G45-EKES.pdf
(56 pages)
2.AT91SAM9G45-EKES.pdf
(1218 pages)
3.AT91SAM9G45-CU.pdf
(10 pages)
Specifications of AT91SAM9G45-CU
Core Processor
ARM9
Core Size
16/32-Bit
Speed
400MHz
Connectivity
EBI/EMI, Ethernet, I²C, IrDA, MMC, SPI, SSC, UART/USART, USB
Peripherals
AC'97, DMA, I²S, 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
64 KB
Interface Type
I2C, SPI, UART
Maximum Clock Frequency
800 MHz
Number Of Programmable I/os
160
Number Of Timers
5
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
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit
Controller Family/series
AT91
No. Of I/o's
160
Ram Memory Size
64KB
Cpu Speed
400MHz
No. Of Timers
2
Rohs Compliant
Yes
For Use With
AT91SAM9G45-EKES - KIT EVAL FOR AT91SAM9G45
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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Quantity
Price
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Manufacturer:
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Quantity:
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- Download datasheet (19Mb)
43.8.14
Register Name:AC97C_SR
Address:
Access Type: Read-only
WKUP and SOF flags in AC97C_SR register are automatically cleared by a processor read operation.
• SOF: Start Of Frame
0: No Start of Frame has been detected since the last read of the Status Register.
1: At least one Start of frame has been detected since the last read of the Status Register.
• WKUP: Wake Up detection
0: No Wake-up has been detected.
1: At least one rising edge on SDATA_IN has been asynchronously detected. That means AC97 Codec has notified a
wake-up.
• COEVT: CODEC Channel Event
A Codec channel event occurs when AC97C_COSR AND AC97C_COMR is not 0. COEVT flag is automatically cleared
when the channel event condition is cleared.
0: No event on the CODEC channel has been detected since the last read of the Status Register.
1: At least one event on the CODEC channel is active.
• CAEVT: Channel A Event
A channel A event occurs when AC97C_CASR AND AC97C_CAMR is not 0. CAEVT flag is automatically cleared when the
channel event condition is cleared.
0: No event on the channel A has been detected since the last read of the Status Register.
1: At least one event on the channel A is active.
• CBEVT: Channel B Event
A channel B event occurs when AC97C_CBSR AND AC97C_CBMR is not 0. CBEVT flag is automatically cleared when the
channel event condition is cleared.
0: No event on the channel B has been detected since the last read of the Status Register.
1: At least one event on the channel B is active.
1083
31
23
15
–
–
–
7
–
AT91SAM9G45
AC97 Controller Status Register
0xFFFAC050
30
22
14
–
–
–
6
–
29
21
13
–
–
–
5
CBEVT
28
20
12
–
–
–
4
CAEVT
27
19
11
–
–
–
3
COEVT
26
18
10
–
–
–
2
WKUP
25
17
–
–
9
–
1
6438F–ATARM–21-Jun-10
SOF
24
16
–
–
8
–
0
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