PIC18F87K90T-I/PT Microchip Technology, PIC18F87K90T-I/PT Datasheet - Page 134
PIC18F87K90T-I/PT
Manufacturer Part Number
PIC18F87K90T-I/PT
Description
128kB Flash, 4kB RAM, 1kB EE, 16MIPS, NanoWatt XLP, LCD, 5V 80 TQFP 12x12x1mm T/
Manufacturer
Microchip Technology
Series
PIC® XLP™ 18Fr
Datasheet
1.PIC18F66K90-IMR.pdf
(570 pages)
Specifications of PIC18F87K90T-I/PT
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Program Memory Type
Flash
Program Memory Size
128 KB
Data Ram Size
4 KB
Interface Type
I2C, SPI
Maximum Clock Frequency
64 MHz
Number Of Timers
11
Operating Supply Voltage
1.8 V to 5.5 V
Maximum Operating Temperature
+ 125 C
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
Minimum Operating Temperature
- 40 C
On-chip Adc
12 bit, 24 Channel
Core Processor
PIC
Core Size
8-Bit
Speed
64MHz
Connectivity
I²C, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
69
Eeprom Size
1K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 24x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
80-TQFP
Lead Free Status / Rohs Status
Details
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F87K90T-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
Company:
Part Number:
PIC18F87K90T-I/PTRSL
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PIC18F87K90 FAMILY
10.2
The PIR registers contain the individual flag bits for the
peripheral interrupts. Due to the number of peripheral
interrupt sources, there are six Peripheral Interrupt
Request (Flag) registers (PIR1 through PIR6).
REGISTER 10-4:
DS39957D-page 134
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
U-0
—
PIR Registers
Unimplemented: Read as ‘0’
ADIF: A/D Converter Interrupt Flag bit
1 = An A/D conversion completed (must be cleared in software)
0 = The A/D conversion is not complete
RC1IF: EUSART Receive Interrupt Flag bit
1 = The EUSART receive buffer, RCREG1, is full (cleared when RCREG1 is read)
0 = The EUSART receive buffer is empty
TX1IF: EUSART Transmit Interrupt Flag bit
1 = The EUSART transmit buffer, TXREG1, is empty (cleared when TXREG1 is written)
0 = The EUSART transmit buffer is full
SSP1IF: Master Synchronous Serial Port Interrupt Flag bit
1 = The transmission/reception is complete (must be cleared in software)
0 = Waiting to transmit/receive
TMR1GIF: Timer1 Gate Interrupt Flag bit
1 = Timer gate interrupt has occurred (must be cleared in software)
0 = No timer gate interrupt has occurred
TMR2IF: TMR2 to PR2 Match Interrupt Flag bit
1 = TMR2 to PR2 match has occurred (must be cleared in software)
0 = No TMR2 to PR2 match has occurred
TMR1IF: TMR1 Overflow Interrupt Flag bit
1 = TMR1 register overflowed (must be cleared in software)
0 = TMR1 register did not overflow
R/W-0
ADIF
PIR1: PERIPHERAL INTERRUPT REQUEST (FLAG) REGISTER 1
W = Writable bit
‘1’ = Bit is set
RC1IF
R-0
TX1IF
R-0
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
SSP1IF
R/W-0
Note 1: Interrupt flag bits are set when an
2: User
interrupt condition occurs, regardless of
the state of its corresponding enable bit or
the Global Interrupt Enable bit, GIE
(INTCON<7>).
appropriate interrupt flag bits are cleared
prior to enabling an interrupt and after
servicing that interrupt.
TMR1GIF
R/W-0
2009-2011 Microchip Technology Inc.
software
x = Bit is unknown
TMR2IF
R/W-0
should
ensure
TMR1IF
R/W-0
bit 0
the
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