参数资料
型号: PIC18LF4331T-I/ML
厂商: Microchip Technology
文件页数: 43/119页
文件大小: 0K
描述: IC MCU FLASH 4KX16 44QFN
标准包装: 1,600
系列: PIC® 18F
核心处理器: PIC
芯体尺寸: 8-位
速度: 40MHz
连通性: I²C,SPI,UART/USART
外围设备: 欠压检测/复位,LVD,电源控制 PWM,QEI,POR,PWM,WDT
输入/输出数: 36
程序存储器容量: 8KB(4K x 16)
程序存储器类型: 闪存
EEPROM 大小: 256 x 8
RAM 容量: 768 x 8
电压 - 电源 (Vcc/Vdd): 2 V ~ 5.5 V
数据转换器: A/D 9x10b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 44-VQFN 裸露焊盘
包装: 带卷 (TR)
2010 Microchip Technology Inc.
DS39616D-page 3
14-Bit Power Control PWM Module:
Up to 4 Channels with Complementary Outputs
Edge or Center-Aligned Operation
Flexible Dead-Band Generator
Hardware Fault Protection Inputs
Simultaneous Update of Duty Cycle and Period:
- Flexible Special Event Trigger output
Motion Feedback Module:
Three Independent Input Capture Channels:
- Flexible operating modes for period and
pulse-width measurement
- Special Hall sensor interface module
- Special Event Trigger output to other modules
Quadrature Encoder Interface:
- 2-phase inputs and one index input from
encoder
- High and low position tracking with direction
status and change of direction interrupt
- Velocity measurement
High-Speed, 200 ksps 10-Bit A/D Converter:
Up to 9 Channels
Simultaneous, Two-Channel Sampling
Sequential Sampling: 1, 2 or 4 Selected Channels
Auto-Conversion Capability
4-Word FIFO with Selectable Interrupt Frequency
Selectable External Conversion Triggers
Programmable Acquisition Time
Flexible Oscillator Structure:
Four Crystal modes up to 40 MHz
Two External Clock modes up to 40 MHz
Internal Oscillator Block:
- 8 user-selectable frequencies: 31 kHz to 8 MHz
- OSCTUNE can compensate for frequency drift
Secondary Oscillator using Timer1 @ 32 kHz
Fail-Safe Clock Monitor:
- Allows for safe shutdown of device if clock fails
Power-Managed Modes:
Run: CPU on, Peripherals on
Idle: CPU off, Peripherals on
Sleep: CPU off, Peripherals off
Ultra Low, 50 nA Input Leakage
Idle mode Currents Down to 5.8
A, Typical
Sleep Current Down to 0.1
A, Typical
Timer1 Oscillator, 1.8
A, Typical, 32 kHz, 2V
Watchdog Timer (WDT), 2.1
A, typical
Oscillator Two-Speed Start-up
- Fast wake from Sleep and Idle, 1
s, typical
Peripheral Highlights:
High-Current Sink/Source 25 mA/25 mA
Three External Interrupts
Two Capture/Compare/PWM (CCP) modules
Enhanced USART module:
- Supports RS-485, RS-232 and LIN/J2602
- Auto-wake-up on Start bit
- Auto-Baud Detect
Special Microcontroller Features:
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
Self-Programmable under Software Control
Priority Levels for Interrupts
8 x 8 Single-Cycle Hardware Multiplier
Extended Watchdog Timer (WDT):
- Programmable period from 41 ms to 131s
Single-Supply In-Circuit Serial Programming
(ICSP) via Two Pins
In-Circuit Debug (ICD) via Two Pins:
- Drives PWM outputs safely when debugging
Device
Program Memory
Data Memory
I/O
10-Bit
A/D (ch)
CCP
SSP
EUSART
Q
u
ad
ratu
re
E
n
c
ode
r
14-Bit
PWM
(ch)
Timers
8/16-Bit
Flash
(bytes)
# Single-Word
Instructions
SRAM
(bytes)
EEPROM
(bytes)
SPI
Slave
I2C
PIC18F2331
8192
4096
768
256
24
5
2
Y
6
1/3
PIC18F2431 16384
8192
768
256
24
5
2
Y
6
1/3
PIC18F4331
8192
4096
768
256
36
9
2
Y
8
1/3
PIC18F4431 16384
8192
768
256
36
9
2
Y
8
1/3
28/40/44-Pin Enhanced Flash Microcontrollers with
nanoWatt Technology, High-Performance PWM and A/D
PIC18F2331/2431/4331/4431
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