PIC18F2520-I/ML Microchip Technology, PIC18F2520-I/ML Datasheet - Page 207
![IC PIC MCU FLASH 16KX16 28QFN](/photos/6/81/68120/150-28-qfn_sml.jpg)
PIC18F2520-I/ML
Manufacturer Part Number
PIC18F2520-I/ML
Description
IC PIC MCU FLASH 16KX16 28QFN
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F2221-ISO.pdf
(46 pages)
3.PIC18F2420-IML.pdf
(412 pages)
4.PIC18F2420-IML.pdf
(16 pages)
5.PIC18F2420-IML.pdf
(8 pages)
6.PIC18F2420-IML.pdf
(6 pages)
7.PIC18F2420-IML.pdf
(8 pages)
8.PIC18F2420-IML.pdf
(4 pages)
9.PIC18F4420-IP.pdf
(390 pages)
Specifications of PIC18F2520-I/ML
Program Memory Type
FLASH
Program Memory Size
32KB (16K x 16)
Package / Case
28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
25
Eeprom Size
256 x 8
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 10x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
1.5 KB
Interface Type
EUSART/I2C/MSSP/SPI
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
25
Number Of Timers
4
Operating Supply Voltage
2 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, ICE4000, DM163022, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
10-ch x 10-bit
Package
28QFN EP
Device Core
PIC
Family Name
PIC18
Maximum Speed
40 MHz
Data Rom Size
256 KB
Height
0.88 mm
Length
6 mm
Supply Voltage (max)
5.5 V
Supply Voltage (min)
4.2 V
Width
6 mm
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
MCP3909RD-3PH1 - REF DESIGN MCP3909 3PH ENGY MTRXLT28QFN4 - SOCKET TRANS ICE 28QFN W/CABLEAC164322 - MODULE SOCKET MPLAB PM3 28/44QFN
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PIC18F2520-I/ML
Manufacturer:
MICROCHI
Quantity:
20 000
- PIC16F616T-ISL PDF datasheet
- PIC18F2221-ISO PDF datasheet #2
- PIC18F2420-IML PDF datasheet #3
- PIC18F2420-IML PDF datasheet #4
- PIC18F2420-IML PDF datasheet #5
- PIC18F2420-IML PDF datasheet #6
- PIC18F2420-IML PDF datasheet #7
- PIC18F2420-IML PDF datasheet #8
- PIC18F4420-IP PDF datasheet #9
- Current page: 207 of 390
- Download datasheet (8Mb)
18.1
The BRG is a dedicated 8-bit or 16-bit generator that
supports both the Asynchronous and Synchronous
modes of the EUSART. By default, the BRG operates
in 8-bit mode; setting the BRG16 bit (BAUDCON<3>)
selects 16-bit mode.
The SPBRGH:SPBRG register pair controls the period
of a free running timer. In Asynchronous mode, bits
BRGH (TXSTA<2>) and BRG16 (BAUDCON<3>) also
control the baud rate. In Synchronous mode, BRGH is
ignored. Table 18-1 shows the formula for computation
of the baud rate for different EUSART modes which
only apply in Master mode (internally generated clock).
Given the desired baud rate and F
integer value for the SPBRGH:SPBRG registers can be
calculated using the formulas in Table 18-1. From this,
the error in baud rate can be determined. An example
calculation is shown in Example 18-1. Typical baud
rates and error values for the various Asynchronous
modes are shown in Table 18-2. It may be advan-
TABLE 18-1:
2004 Microchip Technology Inc.
Legend: x = Don’t care, n = value of SPBRGH:SPBRG register pair
SYNC
0
0
0
0
1
1
Baud Rate Generator (BRG)
Configuration Bits
BAUD RATE FORMULAS
BRG16
0
0
1
1
0
1
BRGH
0
1
0
1
x
x
OSC
, the nearest
PIC18F2420/2520/4420/4520
Preliminary
BRG/EUSART Mode
16-bit/Asynchronous
16-bit/Asynchronous
8-bit/Asynchronous
8-bit/Asynchronous
16-bit/Synchronous
8-bit/Synchronous
tageous to use the high baud rate (BRGH = 1) or the
16-bit BRG to reduce the baud rate error, or achieve a
slow baud rate for a fast oscillator frequency.
Writing a new value to the SPBRGH:SPBRG registers
causes the BRG timer to be reset (or cleared). This
ensures the BRG does not wait for a timer overflow
before outputting the new baud rate.
18.1.1
The device clock is used to generate the desired baud
rate. When one of the power managed modes is
entered, the new clock source may be operating at a
different frequency. This may require an adjustment to
the value in the SPBRG register pair.
18.1.2
The data on the RX pin is sampled three times by a
majority detect circuit to determine if a high or a low
level is present at the RX pin.
OPERATION IN POWER MANAGED
MODES
SAMPLING
Baud Rate Formula
F
F
F
OSC
OSC
OSC
/[64 (n + 1)]
/[16 (n + 1)]
/[4 (n + 1)]
DS39631A-page 205
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