ATSAM3S4CA-CU Atmel, ATSAM3S4CA-CU Datasheet - Page 372
ATSAM3S4CA-CU
Manufacturer Part Number
ATSAM3S4CA-CU
Description
IC MCU 32BIT 256KB FLASH 100BGA
Manufacturer
Atmel
Series
SAM3Sr
Specifications of ATSAM3S4CA-CU
Core Processor
ARM® Cortex-M3™
Core Size
32-Bit
Speed
64MHz
Connectivity
EBI/EMI, I²C, MMC, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
Number Of I /o
79
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
48K x 8
Voltage - Supply (vcc/vdd)
1.62 V ~ 1.95 V
Data Converters
A/D 16x10/12b, D/A 2x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-LFBGA
Processor Series
ATSAM3x
Core
ARM Cortex M3
3rd Party Development Tools
JTRACE-CM3, MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
ATSAM3S-EK
Package
100LFBGA
Device Core
ARM Cortex M3
Family Name
AT91
Maximum Speed
64 MHz
Operating Supply Voltage
1.8|3.3 V
Data Bus Width
32 Bit
Number Of Programmable I/os
79
Interface Type
I2C/I2S/SPI/UART/USART/USB
On-chip Adc
16-chx12-bit
On-chip Dac
2-chx12-bit
Number Of Timers
6
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATSAM3S4CA-CU
Manufacturer:
SANYO
Quantity:
1 000
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23.8.3
23.8.3.1
23.8.3.2
372
SAM3S Preliminary
Write Waveforms
NWE Waveforms
NCS Waveforms
The write protocol is similar to the read protocol. It is depicted in
starts with the address setting on the memory address bus.
The NWE signal is characterized by a setup timing, a pulse width and a hold timing.
The NCS signal waveforms in write operation are not the same that those applied in read opera-
tions, but are separately defined:
Figure 23-9. Write Cycle
1. NWE_SETUP: the NWE setup time is defined as the setup of address and data before
2. NWE_PULSE: The NWE pulse length is the time between NWE falling edge and NWE
3. NWE_HOLD: The NWE hold time is defined as the hold time of address and data after
1. NCS_WR_SETUP: the NCS setup time is defined as the setup time of address before
2. NCS_WR_PULSE: the NCS pulse length is the time between NCS falling edge and
3. NCS_WR_HOLD: the NCS hold time is defined as the hold time of address after the
the NWE falling edge;
rising edge;
the NWE rising edge.
the NCS falling edge.
NCS rising edge;
NCS rising edge.
A [23:0]
NWE
MCK
NCS
NCS_WR_SETUP
NWE_SETUP
NCS_WR_PULSE
NWE_PULSE
NWE_CYCLE
NWE_HOLD
Figure
NCS_WR_HOLD
23-9. The write cycle
6500C–ATARM–8-Feb-11
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