SAM9X25 Atmel Corporation, SAM9X25 Datasheet - Page 778

• Manufacturer Part Number: SAM9X25
• Manufacturer: Atmel Corporation

Specifications of SAM9X25

• Flash (kbytes): 0 Kbytes
• Pin Count: 217
• 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
• Can: 2
• Lin: 4
• Ssc: 1
• Ethernet: 2
• Sd / Emmc: 2
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• 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: DDR/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

38.11 Two-wire Interface (TWI) User Interface
Table 38-5.
Note:
778
778
Offset
0x00
0x04
0x08
0x0C
0x10
0x14 - 0x1C
0x20
0x24
0x28
0x2C
0x30
0x34
0xEC - 0xFC
1. All unlisted offset values are considered as “reserved”.
SAM9X25
SAM9X25
(1)
Register Mapping
Register
Control Register
Master Mode Register
Slave Mode Register
Internal Address Register
Clock Waveform Generator Register
Reserved
Status Register
Interrupt Enable Register
Interrupt Disable Register
Interrupt Mask Register
Receive Holding Register
Transmit Holding Register
Reserved
TWI_CWGR
TWI_MMR
TWI_IADR
TWI_SMR
TWI_RHR
TWI_THR
TWI_IMR
TWI_IDR
TWI_IER
TWI_CR
TWI_SR
Name
–
–
–
Read-write
Read-write
Read-write
Read-write
Read-only
Read-only
Write-only
Write-only
Write-only
Read-only
Write-only
Access
–
–
–
11054A–ATARM–27-Jul-11
11054A–ATARM–27-Jul-11
0x00000000
0x00000000
0x00000000
0x0000F009
0x00000000
0x00000000
0x00000000
0x00000000
Reset
N / A
N / A
N / A
–
–
–