SAM3X8E Atmel Corporation, SAM3X8E Datasheet - Page 48
SAM3X8E
Manufacturer Part Number
SAM3X8E
Description
Manufacturer
Atmel Corporation
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10.14 UART
10.15 PIO Controllers
50
50
SAM3X/A
SAM3X/A
Table 10-2.
• Two-pin UART
• Up to 6 PIO Controllers, PIOA, PIOB, PIOC, PIOD, PIOE and PIOF controlling a maximum of
• Each PIO Controller controls up to 32 programmable I/O Lines
• Fully programmable through Set/Clear Registers
• Multiplexing of four peripheral functions per I/O Line
• For each I/O Line (whether assigned to a peripheral or used as general purpose I/O)
• Synchronous output, provides Set and Clear of several I/O lines in a single write
167 I/O Lines
– Implemented features are 100% compatible with the standard Atmel USART
– Independent receiver and transmitter with a common programmable Baud Rate
– Even, Odd, Mark or Space Parity Generation
– Parity, Framing and Overrun Error Detection
– Automatic Echo, Local Loopback and Remote Loopback Channel Modes
– Support for two PDC channels with connection to receiver and transmitter
– Input change, rising edge, falling edge, low level and level interrupt
– Debouncing and Glitch filter
– Multi-drive option enables driving in open drain
– Programmable pull-up on each I/O line
– Pin data status register, supplies visibility of the level on the pin at any time
Generator
Version
PIOC
PIOD
PIOA
PIOB
PIOE
PIOF
Total
PIO Lines per PIO according to Version
100 pin SAM3X/A
63
1
-
-
-
30
32
144 pin SAM3X
103
31
10
-
-
11057AS–ATARM–10-Feb-12
11057AS–ATARM–10-Feb-12
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