PIC18LF8490-I/PT Microchip Technology, PIC18LF8490-I/PT Datasheet - Page 112

• Manufacturer Part Number: PIC18LF8490-I/PT
• Description: IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,TQFP,80PIN,PLASTIC
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18LF8490-I/PT

• Rohs Compliant: YES
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, LCD, POR, PWM, WDT
• Number Of I /o: 66
• Program Memory Size: 16KB (8K x 16)
• Program Memory Type: FLASH
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-TFQFP
• Processor Series: PIC18LF
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 768 B
• Interface Type: SPI, I2C, EUSART, AUSART
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 66
• Number Of Timers: 1 x 8
• 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, DV164136, DM163028
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 12 bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

PIC18F6390/6490/8390/8490
TABLE 9-1:
DS39629C-page 110
RA0/AN0
RA1/AN1
RA2/AN2/V
SEG16
RA3/AN3/V
SEG17
RA4/T0CKI/
SEG14
RA5/AN4/
HLVDIN/SEG15
OSC2/CLKO/RA6
OSC1/CLKI/RA7
Legend:
Pin Name
REF
REF
O = Output, I = Input, ANA = Analog Signal, DIG = Digital Output, ST = Schmitt Buffer Input, TTL = TTL Buffer Input,
x = Don’t care (TRIS bit does not affect port direction or is overridden for this option).
-/
+/
PORTA FUNCTIONS
Function
HLVDIN
SEG16
SEG17
SEG14
SEG15
V
T0CKI
OSC2
CLKO
OSC1
V
CLKI
RA0
AN0
RA1
AN1
RA2
AN2
RA3
AN3
RA4
RA5
AN4
RA6
RA7
REF
REF
+
-
Setting
TRIS
0
1
1
0
1
1
0
1
1
1
x
0
1
1
1
x
0
1
x
0
1
1
1
x
x
x
0
1
x
x
0
1
I/O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
Buffer
ANA
ANA
ANA
ANA
ANA
ANA
ANA
ANA
ANA
ANA
ANA
ANA
ANA
ANA
ANA
DIG
TTL
DIG
TTL
DIG
TTL
DIG
TTL
DIG
DIG
TTL
DIG
DIG
TTL
DIG
TTL
ST
ST
LATA<0> data output. Not affected by analog pin setting.
PORTA<0> data input. Reads ‘0’ on POR.
A/D input channel 0. Default configuration on POR.
LATA<1> data output. Not affected by analog pin setting.
PORTA<1> data input. Reads ‘0’ on POR.
A/D input channel 1. Default configuration on POR.
LATA<2> data output. Not affected by analog pin setting; disabled
when LCD segment enabled.
PORTA<2> data input. Reads ‘0’ on POR.
A/D input channel 2. Default configuration on POR.
A/D low reference voltage input.
Segment 16 analog output for LCD.
LATA<3> data output. Output is unaffected by analog pin setting;
disabled when LCD segment enabled.
PORTA<3> data input. Reads ‘0’ on POR.
A/D input channel 3. Default configuration on POR.
A/D high reference voltage input.
Segment 17 analog output for LCD. Disables all other digital outputs.
LATA<4> data output; disabled when LCD segment enabled.
PORTA<4> data input.
Timer0 clock input.
Segment 14 analog output for LCD.
LATA<5> data output. Not affected by analog pin setting; disabled
when LCD segment enabled.
PORTA<5> data input. Reads ‘0’ on POR.
A/D input channel 5. Default configuration on POR.
High/Low-Voltage Detect external trip point input.
Segment 15 analog output for LCD.
Main oscillator feedback output connection (XT, HS and LP modes).
System cycle clock output (F
RCIO, INTIO2 and ECIO.
LATA<6> data output. Enabled in RCIO, INTIO2 and ECIO modes only.
PORTA<6> data input. Enabled in RCIO, INTIO2 and ECIO modes only.
Main oscillator input connection, all modes except INTIO.
Main clock input connection, all modes except INTIO.
LATA<7> data output. Available only in INTIO modes; otherwise reads
as ‘0’.
PORTA<7> data input. Available only in INTIO modes; otherwise reads
as ‘0’.
OSC
Description
/4) in all oscillator modes except
© 2007 Microchip Technology Inc.