MIKROE-1205 mikroElektronika, MIKROE-1205 Datasheet - Page 37

• Manufacturer Part Number: MIKROE-1205
• Description: Development Boards & Kits - PIC / DSPIC EasyPIC FUSION v7 dsPIC33 PIC24 PIC32
• Manufacturer: mikroElektronika

Specifications of MIKROE-1205

• Rohs: yes
• Product: Development Boards
• Tool Is For Evaluation Of: PIC24x, dsPIC33x, PIC32MX4xx, PIC32MX7xx
• Interface Type: CAN, I2C, SPI
• Operating Supply Voltage: 7 V to 23 V
• Data Bus Width: 16 bit, 32 bit
• Dimensions: 266 mm x 220 mm
• For Use With: PIC24x, dsPIC33x, PIC32MX4xx, PIC32MX7xx

I
In order to connect I
microcontroller you must enable SW14.3 and
SW14.4 or SW14.5 and SW14.6 switches. 2K2
pull-up resistors necessary for I
are already provided on SDA and SCL lines once
switches are turned on. Prior to using EEPROM in
your application, make sure to disconnect other
peripherals, LEDs and additional pull-up or pull-
down resistors from the interface lines in order
not to interfere with signal/data integrity.
2
Enabling I
C EEPROM
DATA BUS
VCC-3.3V
C36
100nF
2
C EEPROM
v7
2
C EEPROM to the
2
C communication
Figure 23-2:
Activate
SW14.3 and
SW14.4 or
SW14.5 and
SW14.6
switches
RA2
RA3
SW14
EEPROM-SDA
EEPROM-SDA
EEPROM is short for Electrically Erasable
Programmable Read Only Memory. It is
usually a secondary storage memory in devices
containing data that is retained even if the device
looses power supply. EEPROMs come with parallel
or serial interface to the master device. Because
of the ability to alter single bytes of data, EEPROM
devices are used to store personal preference and
configuration data in a wide spectrum of consumer,
automotive, telecommunication, medical, industrial, and
PC applications.
EasyPIC Fusion
communication interface and has 1024 bytes of available memory.
EEPROM itself supports single byte or 16-byte (page) write and read
operations. Data rates are dependent of power supply voltage, and go up to
400 kHz for 3.3V power supply.
What is I
I
systems. I²C uses only two open-drain lines, Serial Data Line (SDA) and Serial Clock (SCL), pulled up with
resistors. SCL line is driven by a master, while SDA is used as bidirectional line either by master or slave device.
Up to 112 slave devices can be connected to the same bus. Each slave must have a unique address.
EEPROM-SCL
EEPROM-SCL
2
C is a multi-master serial single-ended bus that is used to attach low-speed peripherals to computer or embedded
2
C?
™
v7 supports serial EEPROM which uses I
VCC-3.3V
1
2
3
4
24AA01 EEPROM
U9
A0
A1
A2
VSS
VCC
SDA
SCL
WP
VCC-3.3V
8
7
6
5
R72
2K2
VCC-3.3V
R73
2K2
2
EEPROM-SDA
EEPROM-SCL
C
Figure 23-1:
Schematic of
I
module
2
C EEPROM
page 37