ATSAM3S-EK Atmel, ATSAM3S-EK Datasheet - Page 617
![no-image](/images/manufacturer_photos/0/0/78/atmel_sml.jpg)
ATSAM3S-EK
Manufacturer Part Number
ATSAM3S-EK
Description
KIT EVAL FOR ATSAM3S4C
Manufacturer
Atmel
Series
SAM3Sr
Type
MCUr
Specifications of ATSAM3S-EK
Contents
Board, Cables, Power Supply
Silicon Manufacturer
Atmel
Core Architecture
ARM
Core Sub-architecture
Cortex-M3
Kit Contents
Board
Features
TFT Colour LCD Display, SD/MMC Interface
Svhc
No SVHC (15-Dec-2010)
Rohs Compliant
Yes
For Use With/related Products
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATSAM3S-EK
Manufacturer:
Atmel
Quantity:
135
- Current page: 617 of 1118
- Download datasheet (24Mb)
31.5
Figure 31-2. Application Block Diagram
31.5.1
Table 31-3.
31.6
31.6.1
6500C–ATARM–8-Feb-11
Pin Name
TWD
TWCK
Application Block Diagram
Product Dependencies
I/O Lines Description
I/O Lines
I/O Lines Description
Rp: Pull up value as given by the I²C Standard
Host with
Interface
TWI
Both TWD and TWCK are bidirectional lines, connected to a positive supply voltage via a current
source or pull-up resistor (see
high. The output stages of devices connected to the bus must have an open-drain or open-col-
lector to perform the wired-AND function.
TWD and TWCK pins may be multiplexed with PIO lines. To enable the TWI, the programmer
must perform the following step:
The user must not program TWD and TWCK as open-drain. It is already done by the hardware.
Table 31-4.
TWD
TWCK
• Program the PIO controller to dedicate TWD and TWCK as peripheral lines.
Serial EEPROM
Instance
Pin Description
Two-wire Serial Data
Two-wire Serial Clock
TWI0
TWI0
TWI1
TWI1
Atmel TWI
Slave 1
I/O Lines
I²C RTC
Slave 2
Figure 31-2 on page
TWCK0
TWCK1
Signal
TWD0
TWD1
Controller
I²C LCD
Slave 3
I²C Temp.
617). When the bus is free, both lines are
Slave 4
Sensor
SAM3S Preliminary
I/O Line
Rp
PB5
PB4
PA4
PA3
Rp
Peripheral
VDD
Input/Output
Input/Output
Type
A
A
A
A
617
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