ATSAM3U-EK Atmel, ATSAM3U-EK Datasheet - Page 531

• Manufacturer Part Number: ATSAM3U-EK
• Description: KIT EVAL FOR AT91SAM3U CORTEX
• Manufacturer: Atmel
• Type: MCUr

Specifications of ATSAM3U-EK

• Contents: Board
• Processor To Be Evaluated: SAM3U
• Data Bus Width: 32 bit
• Interface Type: RS-232, USB
• Operating Supply Voltage: 3 V
• Silicon Manufacturer: Atmel
• Core Architecture: ARM
• Core Sub-architecture: Cortex - M3
• Silicon Core Number: SAM3U4E
• Silicon Family Name: SAM3U
• Kit Contents: Board CD Docs
• Rohs Compliant: Yes
• For Use With/related Products: AT91SAM3U
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

30.7.27
Name:
Address:
Access:
• P0-P31: Glitch or Debouncing Filter Selection Status
0 = The Glitch Filter is able to filter glitches with a duration < Tmck2.
1 = The Debouncing Filter is able to filter pulses with a duration < Tdiv_slclk/2.
30.7.28
Name:
Address:
Access:
• DIV: Slow Clock Divider Selection for Debouncing
Tdiv_slclk = 2*(DIV+1)*Tslow_clock.
6430D–ATARM–25-Mar-11
6430D–ATARM–25-Mar-11
P31
P23
P15
P7
31
23
15
31
23
15
7
–
–
–
7
PIO Glitch or Debouncing Input Filter Selection Status Register
PIO Slow Clock Divider Debouncing Register
P30
P22
P14
P6
30
22
14
30
22
14
PIO_IFDGSR
0x400E0C88 (PIOA), 0x400E0E88 (PIOB), 0x400E1088 (PIOC)
Read-only
6
PIO_SCDR
0x400E0C8C (PIOA), 0x400E0E8C (PIOB), 0x400E108C (PIOC)
Read-Write
–
–
–
6
P29
P21
P13
P5
29
21
13
29
21
13
5
–
–
5
P28
P20
P12
P4
28
20
12
28
20
12
4
–
–
4
DIV
P27
P19
P11
P3
27
19
11
27
19
11
3
–
–
3
DIV
P26
P18
P10
P2
26
18
10
26
18
10
–
–
2
2
SAM3U Series
SAM3U Series
P25
P17
P9
P1
25
17
25
17
–
–
9
1
9
1
P24
P16
P8
P0
24
16
24
16
–
–
8
0
8
0
531
531