Microchip PIC18F2321-I/SO, 8bit PIC Microcontroller, PIC18F, 40MHz, 8 kB, 256 B Flash, 28-Pin SOIC
- RS Stock No.:
- 0400491
- Mfr. Prt No.:
- PIC18F2321-I/SO
- Brand:
- Microchip
Legislation and Compliance
RoHS Certificate of Compliance
EU Directives 2011/65/EU and 2015/863 restrict the use of the 10 substances below in the manufacture of specified types of electrical equipment.
Whilst this restriction does not legally apply to components, it is recognised that component “compliance” is relevant to many customers.
RS definition of RoHS Compliance:
- The product does not contain any of the restricted substances in concentrations and applications banned by the Directive,
- and for components, the product is capable of being worked on at the higher temperatures required by lead–free soldering
The restricted substances and maximum allowed concentrations in the homogenous material are, by weight:
| Substance | Concentration |
| Lead | 0.1% |
| Mercury | 0.1% |
| PBB (Polybrominated Biphenyls) | 0.1% |
| PBDE ( Polybrominated Diphenyl Ethers) | 0.1% |
| Hexavalent Chromium | 0.1% |
| Cadmium | 0.01% |
| DEHP (Bis (2-Ethylhexl) phthalate) | 0.1% |
| BBP (Benzyl butyl phthalate) | 0.1% |
| DBP (Dibutyl phthalate) | 0.1% |
| DIBP (Diisobutyl phthalate) | 0.1% |
The supplier of the item listed below has informed RS Components that the product is "RoHS Compliant".
RS Components has taken all reasonable steps to confirm this statement. Information relates only to products sold on or after the date of this certificate.
| RS stock number | 0400491 |
| Product description | Microchip PIC18F2321-I/SO, 8bit PIC Microcontroller, PIC18F, 40MHz, 8 kB, 256 B Flash, 28-Pin SOIC |
| Manufacturer / Brand | Microchip |
| Manufacturer part number | PIC18F2321-I/SO |
RS Components Ltd, Birchington Road, Corby, Northants, NN17 9RS, UK
Statement of Conformity
This statement confirms that the product detailed below complies with the specifications currently published in the RS media and has been subject to the strict quality conditions imposed by RS Components’ internal management systems. Furthermore and where applicable, it confirms that all relevant semiconductor devices have been handled and packed under conditions that meet the administrative and technical requirements of ANSI/ESD S20.20 and EN61340-5-1 electrostatics control standards.
| RS stock number | 0400491 |
| Product description | Microchip PIC18F2321-I/SO, 8bit PIC Microcontroller, PIC18F, 40MHz, 8 kB, 256 B Flash, 28-Pin SOIC |
| Manufacturer / Brand | Microchip |
| Manufacturer part number | PIC18F2321-I/SO |
The foregoing information relates to product sold on, or after, the date shown below.
RS COMPONENTS
| Date | Nov 24, 2024 |
RS Components Pte Ltd Robinson Road, P.O. Box 1582, Singapore 903132
Product Details
PIC18F2221/2321/4221/4321 8-Bit Microcontrollers
The PIC18F Microcontrollers from Microchip are the most capable 8-bit devices within Microchip’s offer. Available within the range is CAN, LIN and Ethernet capability as part of a comprehensive range of peripherals to meet the needs of embedded applications and versions featuring XLP (Extreme Low-Power) Technology for where power consumption is a key consideration.
The PIC18F2221/2321/4221/4321 family of Microcontrollers is based upon Microchip’s PIC18 architecture offering a 31 level hardware stack and 77 instructions. These MCUs provide up to 10 MIPS, up to 8 Kbytes program memory with 512 bytes RAM and Data EEPROM of 256 bytes. On board is a configurable oscillator with ±1% accuracy.
Microcontroller Features
40 MHz Max. CPU Speed
77 Instructions
31 Level Hardware Stack
Configurable Internal Oscillator – Selectable Frequency Range 8 MHz to 31 kHz
25 I/O Pins – PIC18F2221/2321 Models
36 I/O Pins – PIC18F4221/4321 Models
nanoWatt XLP Technology
Power-On Reset (POR)
Power-Up Timer (PWRT)
Oscillator Start-Up Timer (OST)
Brown-Out Reset (BOR)
Extended Watchdog Timer (WDT)
Low-Voltage Programming (LVP)
In-Circuit Serial Programming (ICSP)
In-Circuit Debug (ICD)
Peripherals
10-bit Analogue to Digital Converter (ADC) – PIC18F2221/2321 10 Channels; PIC18F4221/4321 13 Channels
One Enhanced Capture, Compare, PWM Module – PIC18F4221/4321 Models Only
Capture, Compare, PWM Module – PIC18F2221/2321 x 2; PIC18F4221/4321 x 1
Two Comparators
One 8-bit Timers
Three 16-bit Timers
High/Low-Voltage Detection (HLVD) Module
Master Synchronous Serial Port (MSSP) Module with SPI and I2C
Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART)
Specifications
| Attribute | Value |
| Brand | Microchip |
| Program Memory Type | Flash |
| Number of SPI Channels | 1 |
| USB Channels | 0 |
| Number of UART Channels | 0 |
| Number of Ethernet Channels | 0 |
| Number of Timers | 4 |
| Number of I2C Channels | 1 |
| Number of PCI Channels | 0 |
| ADC Resolution | 10 bit |
| Maximum Number of Ethernet Channels | 0 |
| Minimum Operating Temperature | -40 °C |
| Typical Operating Supply Voltage | 4.2 → 5.5 V |
| Mounting Type | Surface Mount |
| Data Bus Width | 8 bit |
| Timer Resolution | 8 bit, 16 bit |
| Height | 2.35 mm |
| Number of LIN Channels | 0 |
| Number of USART Channels | 1 |
| Timers | 1 x 8 bit, 3 x 16 bit |
| Dimensions | 17.9 x 7.5 x 2.35 mm |
| RAM Size | 512 B |
| Program Memory Size | 8 kB, 256 B |
| Instruction Set Architecture | RISC |
| Number of CAN Channels | 0 |
| ADC Channels | 10 |
| Number of ADC Units | 1 |
| Package Type | SOIC |
| Maximum Operating Temperature | +85 °C |
| Number of PWM Units | 2 |
| Length | 17.9 mm |
| ADCs | 10 x 10 bit |
| Width | 7.5 mm |
| Device Core | PIC |
| Pin Count | 28 |
| Pulse Width Modulation | 2 (CCP) |
| Maximum Frequency | 40 MHz |
| Family Name | PIC18F |
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