PIC18F4321-I/PT Microchip Technology, PIC18F4321-I/PT Datasheet - Page 21

• Manufacturer Part Number: PIC18F4321-I/PT
• Description: IC PIC MCU FLASH 4KX16 44TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F4321-I/PT

• Program Memory Type: FLASH
• Program Memory Size: 8KB (4K x 16)
• Package / Case: 44-TQFP, 44-VQFP
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, POR, PWM, WDT
• Number Of I /o: 36
• Eeprom Size: 256 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 13x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 512 B
• Interface Type: EUSART/I2C/MSSP/SPI
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 36
• Number Of Timers: 4
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• 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
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 13-ch x 10-bit
• 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

TABLE 1-3:
© 2007 Microchip Technology Inc.
RC0/T1OSO/T13CKI
RC1/T1OSI/CCP2
RC2/CCP1/P1A
RC3/SCK/SCL
RC4/SDI/SDA
RC5/SDO
RC6/TX/CK
RC7/RX/DT
Legend: TTL = TTL compatible input
Note 1:
RC0
T1OSO
T13CKI
RC1
T1OSI
CCP2
RC2
CCP1
P1A
RC3
SCK
SCL
RC4
SDI
SDA
RC5
SDO
RC6
TX
CK
RC7
RX
DT
2:
3:
Pin Name
(1)
ST = Schmitt Trigger input with CMOS levels
I
Default assignment for CCP2 when Configuration bit, CCP2MX, is set.
Alternate assignment for CCP2 when Configuration bit, CCP2MX, is cleared.
Special ICPORT features available in select circumstances. See Section 23.9 “Special ICPORT Features
(44-Pin TQFP Packages Only)” for more information.
2
C = ST with I
PIC18F4221/4321 PINOUT I/O DESCRIPTIONS (CONTINUED)
PDIP
15
16
17
18
23
24
25
26
2
C™ or SMB levels
Pin Number
QFN TQFP
34
35
36
37
42
43
44
1
32
35
36
37
42
43
44
1
Type
Pin
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
O
I
I
I
I
Preliminary
Buffer
CMOS
Type
I
I
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
—
—
—
—
2
2
C
C
PORTC is a bidirectional I/O port.
CMOS = CMOS compatible input or output
I
O
PIC18F4321 FAMILY
Digital I/O.
Timer1 oscillator analog output.
Timer1/Timer3 external clock input.
Digital I/O.
Timer1 oscillator analog input.
Capture 2 input/Compare 2 output/PWM 2 output.
Digital I/O.
Capture 1 input/Compare 1 output/PWM 1 output.
Enhanced CCP1 output.
Digital I/O.
Synchronous serial clock input/output for
SPI mode.
Synchronous serial clock input/output for I
mode.
Digital I/O.
SPI data in.
I
Digital I/O.
SPI data out.
Digital I/O.
EUSART asynchronous transmit.
EUSART synchronous clock (see related RX/DT).
Digital I/O.
EUSART asynchronous receive.
EUSART synchronous data (see related TX/CK).
2
C data I/O.
= Input
= Output
Description
P = Power
DS39689E-page 19
2
C™