PIC18F2321-I/ML Microchip Technology, PIC18F2321-I/ML Datasheet - Page 264

• Manufacturer Part Number: PIC18F2321-I/ML
• Description: IC PIC MCU FLASH 4KX16 28QFN
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F2321-I/ML

• Program Memory Type: FLASH
• Program Memory Size: 8KB (4K x 16)
• Package / Case: 28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• 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: 25
• Eeprom Size: 256 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 10x10b
• 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: 25
• Number Of Timers: 4
• 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: PG164130, DV164035, DV244005, DV164005, PG164120, ICE4000, ICE2000, DV164136
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10-ch x 10-bit
• Package: 28QFN EP
• Device Core: PIC
• Family Name: PIC18
• Maximum Speed: 40 MHz
• Operating Supply Voltage: 5 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT28QFN4 - SOCKET TRANS ICE 28QFN W/CABLEAC164322 - MODULE SOCKET MPLAB PM3 28/44QFN
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

PIC18F4321 FAMILY
REGISTER 23-12: DEVID1: DEVICE ID REGISTER 1 FOR PIC18F2221/2321/4221/4321 DEVICES
REGISTER 23-13: DEVID2: DEVICE ID REGISTER 2 FOR PIC18F2221/2321/4221/4321 DEVICES
DS39689E-page 262
bit 7-5
bit 4-0
bit 7-0
Legend:
R = Read-only bit
-n = Value when device is unprogrammed
bit 7
DEV2:DEV0: Device ID bits
000 = PIC18F4321
010 = PIC18F4221
001 = PIC18F2321
011 = PIC18F2221
REV4:REV0: Revision ID bits
These bits are used to indicate the device revision.
bit 7
DEV10:DEV3: Device ID bits
These bits are used with the DEV2:DEV0 bits in the Device ID Register 1 to identify the
part number.
0010 0001 = PIC18F2221/2321/4221/4321 devices
Legend:
R = Read-only bit
-n = Value when device is unprogrammed
DEV10
DEV2
Note:
R
R
These values for DEV10:DEV3 may be shared with other devices. The specific
device is always identified by using the entire DEV10:DEV0 bit sequence.
DEV1
DEV9
R
R
P = Programmable bit
P = Programmable bit
DEV0
DEV8
Preliminary
R
R
REV4
DEV7
R
R
U = Unimplemented bit, read as ‘0’
u = Unchanged from programmed state
REV3
DEV6
U = Unimplemented bit, read as ‘0’
u = Unchanged from programmed state
R
R
REV2
DEV5
R
© 2007 Microchip Technology Inc.
R
REV1
DEV4
R
R
REV0
DEV3
R
R
bit 0
bit 0