SAM9G25 Atmel Corporation, SAM9G25 Datasheet - Page 159

• Manufacturer Part Number: SAM9G25
• Manufacturer: Atmel Corporation

Specifications of SAM9G25

• Flash (kbytes): 0 Kbytes
• Pin Count: 247
• Max. Operating Frequency: 400 MHz
• Cpu: ARM926
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 105
• Ext Interrupts: 105
• Usb Transceiver: 3
• Usb Speed: Hi-Speed
• Usb Interface: Host, Device
• Spi: 2
• Twi (i2c): 3
• Uart: 7
• Lin: 4
• Ssc: 1
• Ethernet: 1
• Sd / Emmc: 2
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: Yes
• Adc Channels: 12
• Adc Resolution (bits): 10
• Adc Speed (ksps): 440
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 32
• Self Program Memory: NO
• External Bus Interface: 1
• 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

18. Shutdown Controller (SHDWC)
18.1
18.2
18.3
Figure 18-1. Shutdown Controller Block Diagram
11053B–ATARM–22-Sep-11
11053B–ATARM–22-Sep-11
WKUP0
RTT Alarm
RTC Alarm
Description
Embedded Characteristics
Block Diagram
Shutdown Controller
RTTWKEN
RTCWKEN
The Shutdown Controller controls the power supplies VDDIO and VDDCORE and the wake-up
detection on debounced input lines.
WKMODE0
SHDW_MR
CPTWK0
• Shutdown and Wake-up Logic
• AMBA-compliant Interface
– Software Assertion of the SHDW Output Pin
– Programmable De-assertion from the WKUP Input Pins
– Interfaces to the ARM Advanced Peripheral Bus
SHDW_MR
SHDW_MR
reset
reset
reset
set
set
read SHDW_SR
read SHDW_SR
WAKEUP0
RTTWK
RTCWK
set
read SHDW_SR
SHDW_SR
SHDW_SR
SHDW_SR
SHDW_CR
SLCK
SHDW
Wake-up
Shutdown
Shutdown
Controller
Output
SAM9G35
SAM9G35
SHDN
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