SAM9G10 Atmel Corporation, SAM9G10 Datasheet - Page 227
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SAM9G10
Manufacturer Part Number
SAM9G10
Description
Manufacturer
Atmel Corporation
Datasheets
1.SAM9261.pdf
(1274 pages)
2.SAM9261.pdf
(43 pages)
3.SAM9G10.pdf
(750 pages)
4.SAM9G10.pdf
(39 pages)
Specifications of SAM9G10
Flash (kbytes)
0 Kbytes
Pin Count
217
Max. Operating Frequency
266 MHz
Cpu
ARM926
Hardware Qtouch Acquisition
No
Max I/o Pins
96
Ext Interrupts
96
Usb Transceiver
3
Usb Speed
Full Speed
Usb Interface
Host, Device
Spi
2
Twi (i2c)
1
Uart
4
Ssc
3
Sd / Emmc
1
Graphic Lcd
Yes
Video Decoder
No
Camera Interface
No
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
16
Self Program Memory
NO
External Bus Interface
1
Dram Memory
sdram
Nand Interface
Yes
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8/3.3
Operating Voltage (vcc)
1.08 to 1.32
Fpu
No
Mpu / Mmu
No/Yes
Timers
3
Output Compare Channels
3
Input Capture Channels
3
32khz Rtc
Yes
Calibrated Rc Oscillator
No
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23.5.7
Figure 23-4. Output Line Timings
23.5.8
23.5.9
11053B–ATARM–22-Sep-11
11053B–ATARM–22-Sep-11
Write PIO_ODSR at 1
Write PIO_ODSR at 0
Write PIO_CODR
Write PIO_SODR
Output Line Timings
Inputs
Input Glitch and Debouncing Filters
PIO_ODSR
PIO_PDSR
MCK
The Multi Drive feature is controlled by PIO_MDER (Multi-driver Enable Register) and
PIO_MDDR (Multi-driver Disable Register). The Multi Drive can be selected whether the I/O line
is controlled by the PIO controller or assigned to a peripheral function. PIO_MDSR (Multi-driver
Status Register) indicates the pins that are configured to support external drivers.
After reset, the Multi Drive feature is disabled on all pins, i.e. PIO_MDSR resets at value 0x0.
Figure 23-4
directly writing PIO_ODSR. This last case is valid only if the corresponding bit in PIO_OWSR is
set.
The level on each I/O line can be read through PIO_PDSR (Pin Data Status Register). This reg-
ister indicates the level of the I/O lines regardless of their configuration, whether uniquely as an
input or driven by the PIO controller or driven by a peripheral.
Reading the I/O line levels requires the clock of the PIO controller to be enabled, otherwise
PIO_PDSR reads the levels present on the I/O line at the time the clock was disabled.
Optional input glitch and debouncing filters are independently programmable on each I/O line.
The glitch filter can filter a glitch with a duration of less than 1/2 Master Clock (MCK) and the
debouncing filter can filter a pulse of less than 1/2 Period of a Programmable Divided Slow
Clock.
The selection between glitch filtering or debounce filtering is done by writing in the registers
PIO_IFSCDR (PIO Input Filter Slow Clock Disable Register) and PIO_IFSCER (PIO Input Filter
Slow Clock Enable Register). Writing PIO_IFSCDR and PIO_IFSCER respectively, sets and
clears bits in PIO_IFSCSR.
The current selection status can be checked by reading the register PIO_IFSCSR (Input Filter
Slow Clock Status Register).
• If PIO_IFSCSR[i] = 0: The glitch filter can filter a glitch with a duration of less than 1/2 Period
of Master Clock.
Figure 23-4
APB Access
shows how the outputs are driven either by writing PIO_SODR or PIO_CODR, or by
also shows when the feedback in PIO_PDSR is available.
2 cycles
APB Access
2 cycles
SAM9G35
SAM9G35
227
227
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