参数资料
型号: PIC18F4431-E/P
厂商: Microchip Technology
文件页数: 69/119页
文件大小: 0K
描述: IC MCU FLASH 8KX16 40DIP
产品培训模块: Asynchronous Stimulus
标准包装: 10
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: 16KB(8K 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): 4.2 V ~ 5.5 V
数据转换器: A/D 9x10b
振荡器型: 内部
工作温度: -40°C ~ 125°C
封装/外壳: 40-DIP(0.600",15.24mm)
包装: 管件
配用: DVA18XP400-ND - DEVICE ADAPTER 18F4220 PDIP 40LD
ACICE0206-ND - ADAPTER MPLABICE 40P 600 MIL
2010 Microchip Technology Inc.
DS39616D-page 53
PIC18F2331/2431/4331/4431
FIGURE 5-7:
TIME-OUT SEQUENCE ON POR w/PLL ENABLED (MCLR TIED TO VDD)
TABLE 5-2:
STATUS BITS, THEIR SIGNIFICANCE AND THE INITIALIZATION CONDITION FOR
RCON REGISTER
Condition
Program
Counter
RCON
Register
RI
TO
PD
POR
BOR
STKFUL STKUNF
Power-on Reset
0000h
0--1 1100
1
0
RESET
Instruction
0000h
0--0 uuuu
0
u
Brown-out
0000h
0--1 11u-
1
u
0
u
MCLR Reset during power-managed
Run modes
0000h
0--u 1uuu
u
1
u
MCLR Reset during power-managed Idle
and Sleep modes
0000h
0--u 10uu
u
1
0
u
WDT Time-out during full power or
power-managed Run modes
0000h
0--u 0uuu
u
0
u
MCLR Reset during full-power execution
0000h
0--u uuuu
u
uu
Stack Full Reset (STVREN = 1)
1u
Stack Underflow Reset (STVREN = 1)
u1
Stack Underflow Error (not an actual
Reset, STVREN = 0)
0000h
u--u uuuu
u
1
WDT time-out during power-managed Idle
or Sleep modes
PC + 2
u--u 00uu
u
0
u
Interrupt exit from power-managed modes PC + 2(1) u--u u0uu
u
0
u
Legend:
u
= unchanged, x = unknown, - = unimplemented bit, read as ‘0’.
Note 1:
When the wake-up is due to an interrupt and the GIEH or GIEL bits are set, the PC is loaded with the
interrupt vector (0x000008h or 0x000018h).
TPWRT
TOST
VDD
MCLR
INTERNAL POR
PWRT TIME-OUT
OST TIME-OUT
INTERNAL RESET
PLL TIME-OUT
TPLL
Note:
TOST = 1024 clock cycles.
TPLL
2 ms max. First three stages of the PWRT timer.
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