PIC24F16KA102-E/SS Microchip Technology, PIC24F16KA102-E/SS Datasheet - Page 137
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PIC24F16KA102-E/SS
Manufacturer Part Number
PIC24F16KA102-E/SS
Description
16KB Flash, 1.5KB RAM, 512B EEPROM, 16 MIPS, 24 I/O,16-bit PIC24F Family, NanoWa
Manufacturer
Microchip Technology
Series
PIC® XLP™ 24Fr
Datasheet
1.MA240017.pdf
(254 pages)
Specifications of PIC24F16KA102-E/SS
Core Processor
PIC
Core Size
16-Bit
Speed
32MHz
Connectivity
I²C, IrDA, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
24
Program Memory Size
16KB (5.5K x 24)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 9x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
28-SSOP
Processor Series
PIC24F
Core
PIC
3rd Party Development Tools
52713-733, 52714-737, 53276-922, EWDSPIC
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, DM240001
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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17.0
The Inter-Integrated Circuit (I
interface
peripheral or microcontroller devices. These peripheral
devices may be serial data EEPROMs, display drivers,
A/D Converters, etc.
The I
• Independent master and slave logic
• 7-bit and 10-bit device addresses
• General call address, as defined in the I
• Clock stretching to provide delays for the
• Both 100 kHz and 400 kHz bus specifications
• Configurable address masking
• Multi-Master modes to prevent loss of messages
• Bus Repeater mode, allowing the acceptance of
• Automatic SCL
Figure 17-1 illustrates a block diagram of the module.
17.1
The I
with peripheral multiplexing, the I2C1 module in 28-pin
devices can be reassigned to the alternate pins,
designated as SCL1 and SDA1 during device
configuration.
Pin assignment
Configuration bit. Programming this bit (= 0) multiplexes
the module to the SCL1 and SDA1 pins.
© 2009 Microchip Technology Inc.
Note:
processor to respond to a slave data request
in arbitration
all messages as a slave regardless of the address
2
2
C module supports these features:
C module is tied to a fixed pin. To allow flexibility
INTER-INTEGRATED CIRCUIT
(I
Pin Remapping Options
2
useful
This data sheet summarizes the features
of this group of PIC24F devices. It is not
intended to be a comprehensive reference
source. For more information on the
Inter-Integrated
“PIC24F
Section 24. “Inter-Integrated Circuit
(I
C™)
2
C™)” (DS39702).
is controlled by the I2C1SEL
for
Family
communicating
Circuit,
2
C™) module is a serial
Reference
refer
2
C protocol
with
Manual”,
to
other
the
Preliminary
PIC24F16KA102 FAMILY
17.2
The details of sending a message in Master mode
depends on the communications protocol for the device
being communicated with. Typically, the sequence of
events is as follows:
1.
2.
3.
4.
5.
6.
7.
8.
9.
10. Wait for and verify an Acknowledge from the
11. Enable master reception to receive serial
12. Generate an ACK or NACK condition at the end
13. Generate a Stop condition on SDA1 and SCL1.
Assert a Start condition on SDA1 and SCL1.
Send the I
with a write indication.
Wait for and verify an Acknowledge from the
slave.
Send the first data byte (sometimes known as
the command) to the slave.
Wait for and verify an Acknowledge from the
slave.
Send the serial memory address low byte to the
slave.
Repeat steps 4 and 5 until all data bytes are
sent.
Assert a Repeated Start condition on SDA1 and
SCL1.
Send the device address byte to the slave with
a read indication.
slave.
memory data.
of a received byte of data.
Communicating as a Master in a
Single Master Environment
2
C device address byte to the slave
DS39927B-page 135
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