PIC16F877T-10E/L Microchip Technology, PIC16F877T-10E/L Datasheet - Page 99
![IC MCU FLASH 8KX14 EE 44PLCC](/photos/6/63/66325/150-44-plcc_sml.jpg)
PIC16F877T-10E/L
Manufacturer Part Number
PIC16F877T-10E/L
Description
IC MCU FLASH 8KX14 EE 44PLCC
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F688T-ISL.pdf
(688 pages)
3.PIC16C770-ISO.pdf
(8 pages)
4.PIC16F873-04SO.pdf
(218 pages)
5.PIC16F873-04SO.pdf
(5 pages)
6.PIC16F873-04SO.pdf
(5 pages)
Specifications of PIC16F877T-10E/L
Core Processor
PIC
Core Size
8-Bit
Speed
10MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
33
Program Memory Size
14KB (8K x 14)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
368 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 125°C
Package / Case
44-PLCC
For Use With
DVA16XL441 - ADAPTER DEVICE ICE 44PLCC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
PIC16F877T10E/L
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16F877T-10E/L
Manufacturer:
Microchip Technology
Quantity:
10 000
- PIC16F616T-ISL PDF datasheet
- PIC16F688T-ISL PDF datasheet #2
- PIC16C770-ISO PDF datasheet #3
- PIC16F873-04SO PDF datasheet #4
- PIC16F873-04SO PDF datasheet #5
- PIC16F873-04SO PDF datasheet #6
- Current page: 99 of 218
- Download datasheet (4Mb)
10.1
The BRG supports both the Asynchronous and Syn-
chronous modes of the USART. It is a dedicated 8-bit
baud rate generator. The SPBRG register controls the
period of a free running 8-bit timer. In Asynchronous
mode, bit BRGH (TXSTA<2>) also controls the baud
rate. In Synchronous mode, bit BRGH is ignored.
Table 10-1 shows the formula for computation of the
baud rate for different USART modes which only apply
in Master mode (internal clock).
Given the desired baud rate and F
integer value for the SPBRG register can be calculated
using the formula in Table 10-1. From this, the error in
baud rate can be determined.
TABLE 10-1:
TABLE 10-2:
X = value in SPBRG (0 to 255)
98h
18h
99h
Legend: x = unknown, - = unimplemented, read as '0'. Shaded cells are not used by the BRG.
Address
2001 Microchip Technology Inc.
SYNC
0
1
USART Baud Rate Generator
(BRG)
TXSTA
RCSTA
SPBRG
Name
(Asynchronous) Baud Rate = F
BAUD RATE FORMULA
REGISTERS ASSOCIATED WITH BAUD RATE GENERATOR
(Synchronous) Baud Rate = F
Baud Rate Generator Register
CSRC
SPEN
Bit 7
BRGH = 0 (Low Speed)
Bit 6
RX9
TX9
OSC
SREN
TXEN
Bit 5
, the nearest
OSC
OSC
SYNC
CREN
Bit 4
/(64(X+1))
/(4(X+1))
ADDEN
Bit 3
—
It may be advantageous to use the high baud rate
(BRGH = 1), even for slower baud clocks. This is
because the F
baud rate error in some cases.
Writing a new value to the SPBRG register causes the
BRG timer to be reset (or cleared). This ensures the
BRG does not wait for a timer overflow before output-
ting the new baud rate.
10.1.1
The data on the RC7/RX/DT 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.
BRGH
FERR
Bit 2
SAMPLING
OERR
TRMT
Bit 1
OSC
Baud Rate = F
BRGH = 1 (High Speed)
/(16(X + 1)) equation can reduce the
RX9D
TX9D
Bit 0
PIC16F87X
N/A
OSC
0000 -010
0000 000x
0000 0000
Value on:
POR,
BOR
/(16(X+1))
DS30292C-page 97
0000 -010
0000 000x
0000 0000
Value on
all other
RESETS
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