PIC18F86J90-I/PT Microchip Technology, PIC18F86J90-I/PT Datasheet - Page 270
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PIC18F86J90-I/PT
Manufacturer Part Number
PIC18F86J90-I/PT
Description
IC PIC MCU FLASH 64KB 80-TQFP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC18F67J90-IPT.pdf
(450 pages)
2.PIC18F67J90-IPT.pdf
(3 pages)
3.PIC18F67J90-IPT.pdf
(10 pages)
4.PIC18F66J90-IPT.pdf
(444 pages)
Specifications of PIC18F86J90-I/PT
Program Memory Type
FLASH
Program Memory Size
64KB (32K x 16)
Package / Case
80-TFQFP
Core Processor
PIC
Core Size
8-Bit
Speed
48MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LCD, LVD, POR, PWM, WDT
Number Of I /o
67
Ram Size
3.8K x 8
Voltage - Supply (vcc/vdd)
2 V ~ 3.6 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
3923 B
Interface Type
AUSART, EUSART, I2C, SPI
Maximum Clock Frequency
48 MHz
Number Of Programmable I/os
67
Number Of Timers
4
Operating Supply Voltage
2.65 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 12 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AC162079 - HEADER MPLAB ICD2 18F85J90 64/80AC164328 - MODULE SKT FOR 80TQFP
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F86J90-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
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PIC18F87J90 FAMILY
19.4
The Synchronous Master mode is entered by setting
the CSRC bit (TXSTA<7>). In this mode, the data is
transmitted in a half-duplex manner (i.e., transmission
and reception do not occur at the same time). When
transmitting data, the reception is inhibited and vice
versa. Synchronous mode is entered by setting bit,
SYNC (TXSTA<4>). In addition, enable bit, SPEN
(RCSTA1<7>), is set in order to configure the TX1 and
RX1 pins to CK1 (clock) and DT1 (data) lines,
respectively.
The Master mode indicates that the processor trans-
mits the master clock on the CK1 line. Clock polarity is
selected with the SCKP bit (BAUDCON<4>). Setting
SCKP sets the Idle state on CK1 as high, while clearing
the bit, sets the Idle state as low. This option is provided
to support Microwire devices with this module.
19.4.1
The EUSART transmitter block diagram is shown in
Figure 19-3. The heart of the transmitter is the Transmit
(Serial) Shift Register (TSR). The Shift register obtains
its data from the Read/Write Transmit Buffer Register,
TXREG1. The TXREG1 register is loaded with data in
software. The TSR register is not loaded until the last
bit has been transmitted from the previous load. As
soon as the last bit is transmitted, the TSR is loaded
with new data from the TXREG1 (if available).
FIGURE 19-11:
DS39933D-page 270
RC7/RX1/DT1/SEG28
pin
RC6/TX1/CK1/SEG27 pin
(SCKP = 0)
RC6/TX1/CK1/SEG27 pin
(SCKP = 1)
Write to
TXREG1 Reg
TX1IF bit
(Interrupt Flag)
TRMT bit
TXEN bit
Note: Sync Master mode, SPBRG1 = 0; continuous transmission of two 8-bit words.
EUSART Synchronous
Master Mode
EUSART SYNCHRONOUS MASTER
TRANSMISSION
Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4
‘1’
Write Word 1
SYNCHRONOUS TRANSMISSION
bit 0
Write Word 2
bit 1
Word 1
bit 2
Q3 Q4 Q1 Q2 Q3 Q4 Q1Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1Q2 Q3 Q4 Q1 Q2 Q3 Q4
status of the TSR register. TRMT is a read-only bit which
Once the TXREG1 register transfers the data to the
TSR register (occurs in one T
empty and the TX1IF flag bit (PIR1<4>) is set. The
interrupt can be enabled or disabled by setting or clear-
ing the interrupt enable bit, TX1IE (PIE1<4>). TX1IF is
set regardless of the state of enable bit TX1IE; it cannot
be cleared in software. It will reset only when new data
is loaded into the TXREG1 register.
While flag bit, TX1IF, indicates the status of the TXREG1
register, another bit, TRMT (TXSTA<1>), shows the
is set when the TSR is empty. No interrupt logic is tied to
this bit so the user has to poll this bit in order to deter-
mine if the TSR register is empty. The TSR is not
mapped in data memory so it is not available to the user.
To set up a Synchronous Master Transmission:
1.
2.
3.
4.
5.
6.
7.
8.
bit 7
Initialize the SPBRGH1:SPBRG1 registers for
the appropriate baud rate. Set or clear the
BRG16 bit, as required, to achieve the desired
baud rate.
Enable the synchronous master serial port by
setting bits, SYNC, SPEN and CSRC.
If interrupts are desired, set enable bit, TX1IE.
If 9-bit transmission is desired, set bit, TX9.
Enable the transmission by setting bit, TXEN.
If 9-bit transmission is selected, the ninth bit
should be loaded in bit, TX9D.
Start transmission by loading data to the
TXREG1 register.
If using interrupts, ensure that the GIE and PEIE
bits in the INTCON register (INTCON<7:6>) are
set.
bit 0
Word 2
bit 1
2010 Microchip Technology Inc.
CYCLE
), the TXREG1 is
bit 7
‘1’
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