ATSAM3X4EA-AU Atmel, ATSAM3X4EA-AU Datasheet - Page 644
ATSAM3X4EA-AU
Manufacturer Part Number
ATSAM3X4EA-AU
Description
ARM Microcontrollers - MCU QFP144,GREEN, IND TEMP, MRL A
Manufacturer
Atmel
Datasheet
1.ATSAM3X8EA-AU.pdf
(1467 pages)
Specifications of ATSAM3X4EA-AU
Rohs
yes
Core
ARM Cortex M3
Processor Series
SAM3X
Data Bus Width
32 bit
Maximum Clock Frequency
84 MHz
Program Memory Size
256 KB
Data Ram Size
64 KB
On-chip Adc
Yes
Operating Supply Voltage
2.4 V to 3.6 V
Operating Temperature Range
- 40 C to +85 C
Package / Case
LQFP-144
Mounting Style
SMD/SMT
Factory Pack Quantity
60
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32.5
Figure 32-3. I/O Line Control Logic
644
644
PIO_SCDR
Functional Description
SAM3X/A
SAM3X/A
Slow Clock
System Clock
Output Enable
Output Enable
Peripheral A
Peripheral B
Peripheral A
Peripheral B
Output
Output
PIO_SCIFSR[0]
PIO_DCIFSR[0]
PIO_IFSCR[0]
Divider
Clock
The PIO Controller features up to 32 fully-programmable I/O lines. Most of the control logic asso-
ciated to each I/O is represented in
represents but one of up to 32 possible indexes.
PIO_ABSR[0]
1
0
PIO_IFER[0]
PIO_IFDR[0]
Programmable
PIO_OER[0]
PIO_ODR[0]
Debouncing
PIO_IFSR[0]
1
1
Glitch
0
0
Filter
or
PIO_OSR[0]
PIO_SODR[0]
PIO_CODR[0]
PIO_PER[0]
PIO_PDR[0]
1
0
PIO_ODSR[0]
PIO_PSR[0]
Resynchronization
D
DFF
Q
Stage
D
PIO_PDSR[0]
DFF
Q
Figure
1
0
1
0
PIO_MDER[0]
PIO_MDDR[0]
32-3. In this description each signal shown
DETECTOR
PIO_IDR[31]
PIO_IER[31]
EVENT
PIO_MDSR[0]
PIO_IDR[0]
PIO_IER[0]
PIO_IMR[31]
PIO_ISR[31]
PIO_IMR[0]
1
0
0
1
PIO_PUER[0]
PIO_PUDR[0]
PIO_ISR[0]
PIO_PUSR[0]
(Up to 32 possible inputs)
11057B–ATARM–28-May-12
11057B–ATARM–28-May-12
Peripheral A
Peripheral B
PIO Interrupt
Input
Input
Pad
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