PIC18F4321-I/PT Microchip Technology, PIC18F4321-I/PT Datasheet - Page 5

• 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

Pin Diagrams (Continued)
© 2007 Microchip Technology Inc.
40-Pin PDIP
Note 1:
44-Pin QFN
Note 1:
RB3 is the alternate pin for CCP2 multiplexing.
RB3 is the alternate pin for CCP2 multiplexing.
RB0/INT0/FLT0/AN12
RA5/AN4/SS/HLVDIN/C2OUT
RB1/INT1/AN10
RD6/PSP6/P1C
RD7/PSP7/P1D
RD5/PSP5/P1B
RB2/INT2/AN8
RA2/AN2/V
RC0/T1OSO/T13CKI
RC7/RX/DT
RC1/T1OSI/CCP2
RA4/T0CKI/C1OUT
RD4/PSP4
OSC2/CLKO/RA6
OSC1/CLKI/RA7
RA3/AN3/V
RC2/CCP1/P1A
MCLR/V
RC3/SCK/SCL
RE1/WR/AN6
RE0/RD/AN5
RE2/CS/AN7
V
V
V
REF
DD
DD
SS
RD0/PSP0
RD1/PSP1
RA0/AN0
RA1/AN1
-/CV
PP
/RE3
REF
V
V
REF
DD
SS
(1)
+
1
2
3
4
5
6
7
8
9
10
11
PIC18F4221
PIC18F4321
Preliminary
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
PIC18F4321 FAMILY
33
32
31
30
29
28
27
26
25
24
23
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
OSC2/CLKO/RA6
OSC1/CLKI/RA7
V
V
V
V
RE2/CS/AN7
RE1/WR/AN6
RE0/RD/AN5
RA5/AN4/SS/HLVDIN/C2OUT
RA4/T0CKI/C1OUT
SS
SS
DD
DD
RB7/KBI3/PGD
RB6/KBI2/PGC
RB5/KBI1/PGM
RB4/KBI0/AN11
RB3/AN9/CCP2
RB2/INT2/AN8
RB1/INT1/AN10
RB0/INT0/FLT0/AN12
V
V
RD7/PSP7/P1D
RD6/PSP6/P1C
RD5/PSP5/P1B
RD4/PSP4
RC7/RX/DT
RC6/TX/CK
RC5/SDO
RC4/SDI/SDA
RD3/PSP3
RD2/PSP2
DD
SS
(1)
DS39689E-page 3