PIC18F4539-I/ML Microchip Technology, PIC18F4539-I/ML Datasheet - Page 13

• Manufacturer Part Number: PIC18F4539-I/ML
• Description: IC MCU FLASH 12KX16 EE A/D 44QFN
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F4539-I/ML

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Size: 24KB (12K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 1408 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-QFN
• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 1408 B
• Interface Type: I2C, SPI, AUSART
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 16 bit
• 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: DV164005, DV164136
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8
• For Use With: 444-1001 - DEMO BOARD FOR PICMICRO MCU
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

TABLE 1-2:
 2002 Microchip Technology Inc.
MCLR/V
NC
OSC1/CLKI
OSC2/CLKO/RA6
RA0/AN0
RA1/AN1
RA2/AN2/V
RA3/AN3/V
RA4/T0CKI
RA5/AN4/SS/LVDIN
RA6
Legend: TTL = TTL compatible input
MCLR
V
OSC1
CLKI
OSC2
CLKO
RA6
RA0
AN0
RA1
AN1
RA2
AN2
V
RA3
AN3
V
RA4
T0CKI
RA5
AN4
SS
LVDIN
REF
REF
Pin Name
PP
PP
-
+
ST = Schmitt Trigger input with CMOS levels
O
OD = Open Drain (no P diode to V
REF
REF
= Output
-
+
PIC18F2X39 PINOUT I/O DESCRIPTIONS
Pin Number
DIP
10
—
1
9
2
3
4
5
6
7
SOIC
10
—
1
9
2
3
4
5
6
7
Type
Pin
I/O
I/O
I/O
I/O
I/O
I/O
I/O
—
O
O
I
I
I
I
I
I
I
I
I
I
I
I
I
I
DD
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
CMOS
CMOS
ST/OD
Buffer
Type
TTL
TTL
TTL
TTL
TTL
TTL
ST
ST
ST
ST
)
—
—
—
Preliminary
Master Clear (input) or high voltage ICSP programming
enable pin.
These pins should be left unconnected.
Oscillator crystal or external clock input.
Oscillator crystal or clock output.
PORTA is a bi-directional I/O port.
Digital I/O.
Analog input 1.
Digital I/O.
Analog input 2.
A/D Reference Voltage (Low) input.
Digital I/O.
Analog input 3.
A/D Reference Voltage (High) input.
Digital I/O. Open drain when configured as output.
Timer0 external clock input.
Digital I/O.
Analog input 4.
SPI Slave Select input.
Low Voltage Detect input.
See the OSC2/CLKO/RA6 pin.
Master Clear (Reset) input. This pin is an active low
RESET to the device.
High voltage ICSP programming enable pin.
Oscillator crystal input or external clock source input.
External clock source input. Always associated with
pin function OSC1. (See related OSC1/CLKI,
OSC2/CLKO pins.)
Oscillator crystal output. Connects to crystal or
resonator in Crystal Oscillator mode.
In EC mode, OSC2 pin outputs CLKO which has 1/4
the frequency of OSC1, and denotes the instruction
cycle rate.
General purpose I/O pin.
Digital I/O.
Analog input 0.
CMOS = CMOS compatible input or output
I
P
= Input
= Power
Description
PIC18FXX39
DS30485A-page 11