PIC18F27J53-I/ML Microchip Technology, PIC18F27J53-I/ML Datasheet - Page 269
![IC PIC MCU 128KB FLASH 28QFN](/photos/18/33/183309/qfn-28_sml.jpg)
PIC18F27J53-I/ML
Manufacturer Part Number
PIC18F27J53-I/ML
Description
IC PIC MCU 128KB FLASH 28QFN
Manufacturer
Microchip Technology
Series
PIC® XLP™ 18Fr
Datasheets
1.PIC18LF24J10-ISS.pdf
(32 pages)
2.PIC18F26J13-ISS.pdf
(496 pages)
3.PIC18F26J53-ISS.pdf
(586 pages)
4.PIC18F26J53-ISS.pdf
(12 pages)
Specifications of PIC18F27J53-I/ML
Program Memory Type
FLASH
Program Memory Size
128KB (64K x 16)
Package / Case
*
Core Processor
PIC
Core Size
8-Bit
Speed
48MHz
Connectivity
I²C, LIN, SPI, UART/USART, USB
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
22
Ram Size
3.8K x 8
Voltage - Supply (vcc/vdd)
2.15 V ~ 3.6 V
Data Converters
A/D 10x10b/12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
3.8 KB
Interface Type
I2C, SPI, USART
Maximum Clock Frequency
48 MHz
Number Of Programmable I/os
16
Number Of Timers
8
Operating Supply Voltage
2.15 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Controller Family/series
PIC18
Cpu Speed
48MHz
Embedded Interface Type
I2C, SPI, USART
Digital Ic Case Style
QFN
Supply Voltage Range
1.8V To 5.5V
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
- PIC18LF24J10-ISS PDF datasheet
- PIC18F26J13-ISS PDF datasheet #2
- PIC18F26J53-ISS PDF datasheet #3
- PIC18F26J53-ISS PDF datasheet #4
- Current page: 269 of 496
- Download datasheet (5Mb)
16.1.2.4
The RCxIF interrupt flag bit of the PIR1/PIR3 register is
set whenever the EUSART receiver is enabled and
there is an unread character in the receive FIFO. The
RCxIF interrupt flag bit is read-only, it cannot be set or
cleared by software.
RCxIF interrupts are enabled by setting the following
bits:
• RCxIE interrupt enable bit of the PIE1/PIE3
• PEIE/GIEL peripheral interrupt enable bit of the
• GIE/GIEH global interrupt enable bit of the
The RCxIF interrupt flag bit will be set when there is an
unread character in the FIFO, regardless of the state of
interrupt enable bits.
16.1.2.5
Each character in the receive FIFO buffer has a
corresponding framing error Status bit. A framing error
indicates that a Stop bit was not seen at the expected
time. The framing error status is accessed via the
FERR bit of the RCSTAx register. The FERR bit
represents the status of the top unread character in the
receive FIFO. Therefore, the FERR bit must be read
before reading the RCREG.x
The FERR bit is read-only and only applies to the top
unread character in the receive FIFO. A framing error
(FERR = 1) does not preclude reception of additional
characters. It is not necessary to clear the FERR bit.
Reading the next character from the FIFO buffer will
advance the FIFO to the next character and the next
corresponding framing error.
The FERR bit can be forced clear by clearing the SPEN
bit of the RCSTAx register which resets the EUSART.
Clearing the CREN bit of the RCSTAx register does not
affect the FERR bit. A framing error by itself does not
generate an interrupt.
16.1.2.6
The receive FIFO buffer can hold two characters. An
overrun error will be generated if a third character, in its
entirety, is received before the FIFO is accessed. When
this happens the OERR bit of the RCSTAx register is
set. The characters already in the FIFO buffer can be
read but no additional characters will be received until
the error is cleared. The error must be cleared by either
clearing the CREN bit of the RCSTAx register or by
resetting the EUSART by clearing the SPEN bit of the
RCSTAx register.
2010 Microchip Technology Inc.
register
INTCON register
INTCON register
Note:
If all receive characters in the receive
FIFO have framing errors, repeated reads
of the RCREGx will not clear the FERR
bit.
Receive Interrupts
Receive Framing Error
Receive Overrun Error
Preliminary
16.1.2.7
The EUSART supports 9-bit character reception. When
the RX9 bit of the RCSTAx register is set, the EUSART
will shift 9 bits into the RSR for each character
received. The RX9D bit of the RCSTAx register is the
ninth and Most Significant data bit of the top unread
character in the receive FIFO. When reading 9-bit data
from the receive FIFO buffer, the RX9D data bit must
be read before reading the 8 Least Significant bits from
the RCREGx.
16.1.2.8
A special Address Detection mode is available for use
when multiple receivers share the same transmission
line, such as in RS-485 systems. Address detection is
enabled by setting the ADDEN bit of the RCSTAx
register.
Address detection requires 9-bit character reception.
When address detection is enabled, only characters
with the ninth data bit set will be transferred to the
receive FIFO buffer, thereby setting the RCxIF interrupt
bit. All other characters will be ignored.
Upon receiving an address character, user software
determines if the address matches its own. Upon
address match, user software must disable address
detection by clearing the ADDEN bit before the next
Stop bit occurs. When user software detects the end of
the message, determined by the message protocol
used, software places the receiver back into the
Address Detection mode by setting the ADDEN bit.
PIC18(L)F2X/4XK22
Receiving 9-bit Characters
Address Detection
DS41412D-page 269
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