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PDF PIC18F4321 Data sheet ( Hoja de datos )
| Número de pieza | PIC18F4321 | |
| Descripción | Enhanced Flash Microcontrollers | |
| Fabricantes | Microchip Technology | |
| Logotipo |  |
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PIC18F4321 Family
Data Sheet
28/40/44-Pin
Enhanced Flash Microcontrollers with
10-Bit A/D and nanoWatt Technology
© 2006 Microchip Technology Inc.
Preliminary
DS39689B
1 page  
www.DataSheet4U.com
Pin Diagrams (Continued)
40-Pin PDIP
MCLR/VPP/RE3
RA0/AN0
RA1/AN1
RA2/AN2/VREF-/CVREF
RA3/AN3/VREF+
RA4/T0CKI/C1OUT
RA5/AN4/SS/HLVDIN/C2OUT
RE0/RD/AN5
RE1/WR/AN6
RE2/CS/AN7
VDD
VSS
OSC1/CLKI/RA7
OSC2/CLKO/RA6
RC0/T1OSO/T13CKI
RC1/T1OSI/CCP2(1)
RC2/CCP1/P1A
RC3/SCK/SCL
RD0/PSP0
RD1/PSP1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Note 1: RB3 is the alternate pin for CCP2 multiplexing.
PIC18F4321 FAMILY
40 RB7/KBI3/PGD
39 RB6/KBI2/PGC
38 RB5/KBI1/PGM
37 RB4/KBI0/AN11
36 RB3/AN9/CCP2(1)
35 RB2/INT2/AN8
34 RB1/INT1/AN10
33 RB0/INT0/FLT0/AN12
32 VDD
31 VSS
30 RD7/PSP7/P1D
29 RD6/PSP6/P1C
28 RD5/PSP5/P1B
27 RD4/PSP4
26 RC7/RX/DT
25 RC6/TX/CK
24 RC5/SDO
23 RC4/SDI/SDA
22 RD3/PSP3
21 RD2/PSP2
44-Pin QFN
RC7/RX/DT
RD4/PSP4
RD5/PSP5/P1B
RD6/PSP6/P1C
RD7/PSP7/P1D
VSS
VDD
VDD
RB0/INT0/FLT0/AN12
RB1/INT1/AN10
RB2/INT2/AN8
1
2
3
4
5 PIC18F4221
6
7
PIC18F4321
8
9
10
11
33
32
31
30
29
28
27
26
25
24
23
OSC2/CLKO/RA6
OSC1/CLKI/RA7
VSS
VSS
VDD
VDD
RE2/CS/AN7
RE1/WR/AN6
RE0/RD/AN5
RA5/AN4/SS/HLVDIN/C2OUT
RA4/T0CKI/C1OUT
Note 1: RB3 is the alternate pin for CCP2 multiplexing.
© 2006 Microchip Technology Inc.
Preliminary
DS39689B-page 3
5 Page 
www.DataSheet4U.com
PIC18F4321 FAMILY
TABLE 1-1: DEVICE FEATURES
Features
PIC18F2221
PIC18F2321
PIC18F4221
PIC18F4321
Operating Frequency
DC – 40 MHz
DC – 40 MHz
DC – 40 MHz
DC – 40 MHz
Program Memory (Bytes)
4096
8192
4096
8192
Program Memory (Instructions)
2048
4096
2048
4096
Data Memory (Bytes)
512 512 512 512
Data EEPROM Memory (Bytes)
256
256
256
256
Interrupt Sources
19 19 20 20
I/O Ports
Ports A, B, C, (E) Ports A, B, C, (E) Ports A, B, C, D, E Ports A, B, C, D, E
Timers
444 4
Capture/Compare/PWM Modules
2
2
1
1
Enhanced Capture/Compare/
0
0
1
1
PWM Modules
Serial Communications
MSSP,
MSSP,
MSSP,
MSSP,
Enhanced USART Enhanced USART Enhanced USART Enhanced USART
Parallel Communications (PSP)
No
No Yes Yes
10-bit Analog-to-Digital Module 10 Input Channels 10 Input Channels 13 Input Channels 13 Input Channels
Resets (and Delays)
POR, BOR,
RESET Instruction,
Stack Full,
Stack Underflow
(PWRT, OST),
MCLR (optional),
WDT
POR, BOR,
RESET Instruction,
Stack Full,
Stack Underflow
(PWRT, OST),
MCLR (optional),
WDT
POR, BOR,
RESET Instruction,
Stack Full,
Stack Underflow
(PWRT, OST),
MCLR (optional),
WDT
POR, BOR,
RESET Instruction,
Stack Full,
Stack Underflow
(PWRT, OST),
MCLR (optional),
WDT
Programmable Low-Voltage
Yes
Yes
Yes
Yes
Detect
Programmable Brown-out Reset
Yes
Yes
Yes
Yes
Instruction Set
75 Instructions;
83 with Extended
Instruction Set
enabled
75 Instructions;
83 with Extended
Instruction Set
enabled
75 Instructions;
83 with Extended
Instruction Set
enabled
75 Instructions;
83 with Extended
Instruction Set
enabled
Packages
28-pin SPDIP
28-pin SOIC
28-pin SSOP
28-pin QFN
28-pin SPDIP
28-pin SOIC
28-pin SSOP
28-pin QFN
40-pin PDIP
44-pin QFN
44-pin TQFP
40-pin PDIP
44-pin QFN
44-pin TQFP
© 2006 Microchip Technology Inc.
Preliminary
DS39689B-page 9
11 Page | ||
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| PDF Descargar | [ Datasheet PIC18F4321.PDF ] | |
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