PIC18F452-I/PT Microchip Technology, PIC18F452-I/PT Datasheet - Page 8

• Manufacturer Part Number: PIC18F452-I/PT
• Description: IC MCU FLASH 16KX16 EE 44TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F452-I/PT

• Core Size: 8-Bit
• Program Memory Size: 32KB (16K x 16)
• Core Processor: PIC
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 34
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 1.5K x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• Controller Family/series: PIC18
• No. Of I/o's: 34
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 1.5KB
• Cpu Speed: 40MHz
• No. Of Timers: 4
• Package: 44TQFP
• Device Core: PIC
• Family Name: PIC18
• Maximum Speed: 40 MHz
• Operating Supply Voltage: 5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 34
• Interface Type: I2C/SPI/USART
• On-chip Adc: 8-chx10-bit
• Number Of Timers: 4
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT44PT3 - SOCKET TRAN ICE 44MQFP/TQFPAC164305 - MODULE SKT FOR PM3 44TQFP444-1001 - DEMO BOARD FOR PICMICRO MCUAC164020 - MODULE SKT PROMATEII 44TQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

PIC18FXX2
TABLE 1-3:
DS80173C-page 8
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
Pin Name
REF
REF
PP
PP
-
+
ST = Schmitt Trigger input with CMOS levels
O = Output
OD = Open-Drain (no P diode to V
REF
REF
-
+
PIC18F4X2 PINOUT I/O DESCRIPTIONS
DIP PLCC QFN TQFP
13
14
—
1
2
3
4
5
6
7
Pin Number
14
15
2
3
4
5
6
7
8
18
32
33
19
20
21
22
23
24
18
30
31
19
20
21
22
23
24
DD
)
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
CMOS
Analog
Analog
Analog
Analog
Analog
Analog
ST/OD
Analog
Analog
Buffer
Type
TTL
TTL
TTL
TTL
TTL
TTL
ST
ST
ST
ST
ST
—
—
—
CMOS = CMOS compatible input or output
I = Input
P = Power
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 bidirectional I/O port.
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. ST buffer when configured in RC mode,
CMOS otherwise.
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 RC 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.
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.)
Description
© 2005 Microchip Technology Inc.