ATSAM3X4EA-AU Atmel, ATSAM3X4EA-AU Datasheet - Page 508
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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27.18.18 SMC Pulse Register
Name:
Address:
Access:
Reset:
• NWE_PULSE: NWE Pulse Length
The NWE signal pulse length is defined as:
NWE pulse length = (256 * NWE_PULSE[6]+NWE_PULSE[5:0]) clock cycles.
The NWE pulse must be at least one clock cycle.
• NCS_WR_PULSE: NCS Pulse Length in WRITE Access
In Write access, The NCS signal pulse length is defined as:
NCS pulse length = (256 * NCS_WR_PULSE[6] + NCS_WR_PULSE[5:0]) clock cycles.
the NCS pulse must be at least one clock cycle.
• NRD_PULSE: NRD Pulse Length
The NRD signal pulse length is defined as:
NRD pulse length = (256 * NRD_PULSE[6] + NRD_PULSE[5:0]) clock cycles.
The NRD pulse width must be as least 1 clock cycle.
• NCS_RD_PULSE: NCS Pulse Length in READ Access
In READ mode, The NCS signal pulse length is defined as:
NCS pulse length = (256 * NCS_RD_PULSE[6] + NCS_RD_PULSE[5:0]) clock cycles.
508
508
31
23
15
–
–
–
7
–
SAM3X/A
SAM3X/A
0x400E0074 [0], 0x400E0088 [1], 0x400E009C [2], 0x400E00B0 [3], 0x400E00C4 [4], 0x400E00D8 [5],
0x400E00EC [6], 0x400E0100 [7]
SMC_PULSEx [x=0..7]
Write-only
0x00000000
30
22
14
–
–
–
6
–
29
21
13
5
28
20
12
4
27
19
11
NCS_WR_PULSE
3
NCS_RD_PULSE
NWE_PULSE
NRD_PULSE
26
18
10
2
25
17
9
1
11057B–ATARM–28-May-12
11057B–ATARM–28-May-12
24
16
8
0
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