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PIC18F2321-I/SP 其他数据使用手册 - Microchip（微芯）
制造商:
Microchip（微芯）
分类:
微控制器
封装:
DIP-28
描述:
PIC18F2221/2321/4221/4321 8 位微控制器Microchip 的 PIC18F 微控制器是 Microchip 产品线中功能最强大的 8 位设备。 该系列包含的 CAN、LIN 和以太网功能是完整系列外围设备的一部分，可满足嵌入式应用和版本的需求，采用 XLP（极低功耗）技术，用于功耗为关键考量的应用。 PIC18F2221/2321/4221/4321 系列微控制器基于 Microchip 的 PIC18 体系结构，提供 31 级 硬件堆栈和 77 指令。 这些 MCU 提供高达 10 个 MIPS、多达 8 kb 的程序存储器、512 kb 的 RAM 和 256 kb 的数据 EEPROM。 板载可配置振荡器，精确度为 ±1%。### 微控制器功能40 MHz 最大 CPU 速度 77 指令 31 级硬件堆栈 可配置内部振荡器 - 可选频率范围 8 mHz 至 31 kHz 25 个输入/输出引脚 - PIC18F2221/2321 型号 36 个输入/输出引脚 - PIC18F4221/4321 型号 nanoWatt XLP 技术 通电重置 (POR) 通电计时器 (PWRT) 振荡器启动计时器 (OST) 掉电重置 (BOR) 延长监控计时器 (WDT) 低电压编程 (LVP) 在线串行编程 (ICSP) 在线调试 (ICD) ### 外设10 位模拟到数字转换器 (ADC) - PIC18F2221/2321 10 通道；PIC18F4221/4321 13 通道 一个增强型采集、比较、PWM 模块 - 仅 PIC18F4221/4321 型号 采集、比较、PWM 模块 - PIC18F2221/2321 x 2、PIC18F4221/4321 x 1 两个比较器 一个 8 位计时器 三个 16 位计时器 高电压/低电压检测 (HLVD) 模块 主同步串行端口 (MSSP) 模块，带有 SPI 和 I2C 增强型通用同步异步接收器发射器 (EUSART) ### PIC18 微控制器展开
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
引脚图在P4P5P6P26P146P147P148P154Hot
典型应用电路图在P171
原理图在P10P12P13P31P32P47P126P130P134P140P142P147
标记信息在P373P374
封装信息在P373
技术参数、封装参数在P348P350P353P354P355
应用领域在P158P256
电气规格在P9P10P89P244P245P249P250P253P387
导航目录
PIC18F2321-I/SP数据手册
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© 2009 Microchip Technology Inc. DS39689F-page 3
PIC18F2221/2321/4221/4321 FAMILY
Power-Managed Modes:
• Run: CPU On, Peripherals On
• Idle: CPU Off, Peripherals On
• Sleep: CPU Off, Peripherals Off
• Idle mode Currents Down to 2.5 μA Typical
• Sleep mode Currents Down to 500 nA Typical
• Timer1 Oscillator: 1.8 μA, 32 kHz, 2V Typical
• Watchdog Timer: 1.6 μA, 2V Typical
• Two-Speed Oscillator Start-up
Flexible Oscillator Structure:
• Four Crystal modes, up to 40 MHz
• 4x Phase Lock Loop (PLL) – Available for Crystal
and Internal Oscillators
• Two External RC modes, up to 4 MHz
• Two External Clock modes, up to 40 MHz
• Internal Oscillator Block:
- 8 user-selectable frequencies, from 31 kHz to
8MHz
- Provides a complete range of clock speeds
from 31 kHz to 32 MHz when used with PLL
- User-tunable to compensate for frequency drift
• Secondary Oscillator using Timer1 @ 32 kHz
• Fail-Safe Clock Monitor
- Allows for safe shutdown if peripheral clock stops
Peripheral Highlights:
• High-Current Sink/Source 25 mA/25 mA
• Three Programmable External Interrupts
• Four Input Change Interrupts
• Up to 2 Capture/Compare/PWM (CCP) modules,
one with Auto-Shutdown (28-pin devices)
• Enhanced Capture/Compare/PWM (ECCP)
module (40/44-pin devices only):
- One, two or four PWM outputs
- Selectable polarity
- Programmable dead time
- Auto-shutdown and auto-restart
Peripheral Highlights (Continued):
• Master Synchronous Serial Port (MSSP) module
Supporting 3-Wire SPI (all 4 modes) and I
2
C™
Master and Slave modes
• Enhanced Addressable USART module:
- Supports RS-485, RS-232 and LIN/J2602
- Auto-wake-up on Start bit
- Auto-Baud Detect
• 10-Bit, up to 13-Channel Analog-to-Digital
Converter module (A/D):
- Auto-acquisition capability
- Conversion available during Sleep
• Dual Analog Comparators with Input Multiplexing
• Programmable 16-Level High/Low-Voltage
Detection (HLVD) module:
- Supports interrupt on High/Low-Voltage Detection
Special Microcontroller Features:
• C Compiler Optimized Architecture:
- Optional extended instruction set designed to
optimize re-entrant code
• 100,000 Erase/Write Cycle Enhanced Flash
Program Memory Typical
• 1,000,000 Erase/Write Cycle Data EEPROM
Memory Typical
• Flash/Data EEPROM Retention: 100 Years Typical
• Self-Programmable under Software Control
• Priority Levels for Interrupts
• 8 x 8 Single-Cycle Hardware Multiplier
• Extended Watchdog Timer (WDT):
- Programmable period from 4 ms to 131s
• Single-Supply 5V In-Circuit Serial
Programming™ (ICSP™) via Two Pins
• In-Circuit Debug (ICD) via Two Pins
• Wide Operating Voltage Range: 2.0V to 5.5V
• Programmable Brown-out Reset (BOR) with
Software Enable Option)
-
Device
Program Memory Data Memory
I/O
10-Bit
A/D (ch)
CCP/
ECCP
(PWM)
MSSP
EUSART
Comp.
Timers
8/16-Bit
Flash
(bytes)
# Single-Word
Instructions
SRAM
(bytes)
EEPROM
(bytes)
SPI
Master
I
2
C™
PIC18F2221 4K 2048 512 256 25 10 2/0 Y Y 1 2 1/3
PIC18F2321 8K 4096 512 256 25 10 2/0 Y Y 1 2 1/3
PIC18F4221 4K 2048 512 256 36 13 1/1 Y Y 1 2 1/3
PIC18F4321 8K 4096 512 256 36 13 1/1 Y Y 1 2 1/3
28/40/44-Pin Enhanced Flash Microcontrollers with
10-Bit A/D and nanoWatt Technology
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