SAM7X128 Atmel Corporation, SAM7X128 Datasheet - Page 232
SAM7X128
Manufacturer Part Number
SAM7X128
Description
Manufacturer
Atmel Corporation
Specifications of SAM7X128
Flash (kbytes)
128 Kbytes
Pin Count
100
Max. Operating Frequency
55 MHz
Cpu
ARM7TDMI
Hardware Qtouch Acquisition
No
Max I/o Pins
62
Ext Interrupts
62
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
2
Twi (i2c)
1
Uart
3
Can
1
Ssc
1
Ethernet
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
384
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
32
Self Program Memory
NO
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
3.3
Operating Voltage (vcc)
3.0 to 3.6
Fpu
No
Mpu / Mmu
no / no
Timers
3
Output Compare Channels
3
Input Capture Channels
3
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
No
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27.4
Figure 27-3. I/O Line Control Logic
232
Output Enable
Output Enable
Peripheral A
Peripheral B
Functional Description
Peripheral A
Peripheral B
PIO_BSR[0]
PIO_ASR[0]
SAM7X512/256/128
Output
Output
PIO_ABSR[0]
PIO_OER[0]
PIO_ODR[0]
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.
1
1
0
0
PIO_OSR[0]
PIO_IFER[0]
PIO_IFDR[0]
PIO_SODR[0]
PIO_CODR[0]
PIO_IFSR[0]
PIO_PER[0]
PIO_PDR[0]
Glitch
Filter
PIO_ODSR[0]
PIO_PSR[0]
PIO_PDSR[0]
1
0
PIO_IER[31]
PIO_IDR[31]
PIO_IER[0]
PIO_IDR[0]
1
0
1
0
Detector
Edge
PIO_IMR[31]
PIO_ISR[31]
PIO_IMR[0]
PIO_ISR[0]
PIO_MDER[0]
PIO_MDDR[0]
Figure
PIO_MDSR[0]
27-3. In this description each signal shown
(Up to 32 possible inputs)
1
0
0
1
PIO_PUER[0]
PIO_PUDR[0]
PIO_PUSR[0]
PIO Interrupt
Peripheral B
Peripheral A
Input
Input
6120I–ATARM–06-Apr-11
Pad
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