IC PIC MCU FLASH 16K 28-SSOP

PIC24F16KA102-I/SS

Manufacturer Part NumberPIC24F16KA102-I/SS
DescriptionIC PIC MCU FLASH 16K 28-SSOP
ManufacturerMicrochip Technology
SeriesPIC® XLP™ 24F
PIC24F16KA102-I/SS datasheets
 


Specifications of PIC24F16KA102-I/SS

Program Memory TypeFLASHProgram Memory Size16KB (5.5K x 24)
Package / Case28-SSOPCore ProcessorPIC
Core Size16-BitSpeed32MHz
ConnectivityI²C, IrDA, SPI, UART/USARTPeripheralsBrown-out Detect/Reset, POR, PWM, WDT
Number Of I /o24Eeprom Size512 x 8
Ram Size1.5K x 8Voltage - Supply (vcc/vdd)1.8 V ~ 3.6 V
Data ConvertersA/D 9x10bOscillator TypeInternal
Operating Temperature-40°C ~ 85°CProcessor SeriesPIC24F
CorePICData Bus Width16 bit
Data Ram Size1.5 KBInterface TypeI2C/IrDA/SPI/UART
Maximum Clock Frequency32 MHzNumber Of Programmable I/os24
Number Of Timers3Operating Supply Voltage1.8 V to 3.6 V
Maximum Operating Temperature+ 85 CMounting StyleSMD/SMT
3rd Party Development Tools52713-733, 52714-737, 53276-922, EWDSPICDevelopment Tools By SupplierPG164130, DV164035, DV244005, DV164005, DM240001
Minimum Operating Temperature- 40 COn-chip Adc9-ch x 10-bit
Lead Free Status / RoHS StatusLead free / RoHS CompliantFor Use WithMA240017 - MODULE PLUG-IN PIC24F16KA102 PIM
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Page 146/254

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PIC24F16KA102 FAMILY
18.1
UART Baud Rate Generator (BRG)
The UART module includes a dedicated 16-bit Baud
Rate Generator (BRG). The UxBRG register controls
the period of a free-running, 16-bit timer. Equation 18-1
provides the formula for computation of the baud rate
with BRGH = 0.
EQUATION 18-1:
UART BAUD RATE WITH
(1)
BRGH = 0
F
CY
Baud Rate =
16 • (UxBRG + 1)
F
CY
UxBRG =
16 • Baud Rate
Based on F
= F
/2, Doze mode
Note 1:
CY
OSC
and PLL are disabled.
Example 18-1 provides the calculation of the baud rate
error for the following conditions:
• F
= 4 MHz
CY
• Desired Baud Rate = 9600
EXAMPLE 18-1:
BAUD RATE ERROR CALCULATION (BRGH = 0)
Desired Baud Rate
= F
/(16 (UxBRG + 1))
CY
Solving for UxBRG value:
UxBRG
= ((F
/Desired Baud Rate)/16) – 1
CY
UxBRG
= ((4000000/9600)/16) – 1
UxBRG
= 25
Calculated Baud Rate = 4000000/(16 (25 + 1))
= 9615
Error
= (Calculated Baud Rate – Desired Baud Rate)
Desired Baud Rate
= (9615 – 9600)/9600
= 0.16%
Based on F
= F
/2, Doze mode and PLL are disabled.
CY
OSC
Note 1:
DS39927B-page 144
The maximum baud rate (BRGH = 0) possible is
F
/16 (for UxBRG = 0) and the minimum baud rate
CY
possible is F
CY
Equation 18-2 provides the formula for computation of
the baud rate with BRGH = 1.
EQUATION 18-2:
Baud Rate =
UxBRG =
– 1
Based on F
Note 1:
and PLL are disabled.
The maximum baud rate (BRGH = 1) possible is F
(for UxBRG = 0) and the minimum baud rate possible
is F
/(4 * 65536).
CY
Writing a new value to the UxBRG register causes the
BRG timer to be reset (cleared). This ensures the BRG
does not wait for a timer overflow before generating the
new baud rate.
Preliminary
/(16 * 65536).
UART BAUD RATE WITH
(1)
BRGH = 1
F
CY
4 • (UxBRG + 1)
F
CY
– 1
4 • Baud Rate
= F
/2, Doze mode
CY
OSC
/4
CY
(1)
© 2009 Microchip Technology Inc.