参数资料
型号: PIC18F6620-E/PT
厂商: Microchip Technology
文件页数: 93/165页
文件大小: 0K
描述: IC PIC MCU FLASH 32KX16 64TQFP
产品培训模块: Asynchronous Stimulus
标准包装: 160
系列: PIC® 18F
核心处理器: PIC
芯体尺寸: 8-位
速度: 25MHz
连通性: I²C,SPI,UART/USART
外围设备: 欠压检测/复位,LVD,POR,PWM,WDT
输入/输出数: 52
程序存储器容量: 64KB(32K x 16)
程序存储器类型: 闪存
EEPROM 大小: 1K x 8
RAM 容量: 3.75K x 8
电压 - 电源 (Vcc/Vdd): 4.2 V ~ 5.5 V
数据转换器: A/D 12x10b
振荡器型: 外部
工作温度: -40°C ~ 125°C
封装/外壳: 64-TQFP
包装: 托盘
2004 Microchip Technology Inc.
DS39609B-page 31
PIC18F6520/8520/6620/8620/6720/8720
TABLE 3-1:
TIME-OUT IN VARIOUS SITUATIONS
REGISTER 3-1:
RCON REGISTER BITS AND POSITIONS
TABLE 3-2:
STATUS BITS, THEIR SIGNIFICANCE AND THE INITIALIZATION CONDITION FOR
RCON REGISTER
Oscillator
Configuration
Power-up(2)
Brown-out
Wake-up from
Sleep or
Oscillator Switch
PWRTE = 0
PWRTE = 1
HS with PLL enabled(1)
72 ms + 1024 TOSC
+ 2ms
1024 TOSC
+ 2 ms
72 ms(2) + 1024 TOSC
+ 2 ms
1024 TOSC + 2 ms
HS, XT, LP
72 ms + 1024 TOSC
1024 TOSC
72 ms(2) + 1024 TOSC
1024 TOSC
EC
72 ms
1.5
s72 ms(2)
1.5
s(3)
External RC
72 ms
72 ms(2)
Note 1:
2 ms is the nominal time required for the 4xPLL to lock.
2:
72 ms is the nominal power-up timer delay, if implemented.
3:
1.5
s is the recovery time from Sleep. There is no recovery time from oscillator switch.
R/W-0
U-0
R/W-1
IPEN
—RI
TO
PD
POR
BOR
bit 7
bit 0
Note 1: Refer to Section 4.14 “RCON Register” for bit definitions.
Condition
Program
Counter
RCON
Register
RI
TO
PD
POR
BOR
STKFUL
STKUNF
Power-on Reset
0000h
0--1 1100
1
0
u
MCLR Reset during normal
operation
0000h
0--u uuuu
u
Software Reset during normal
operation
0000h
0--0 uuuu
0
u
Stack Full Reset during normal
operation
0000h
0--u uu11
u
1
Stack Underflow Reset during
normal operation
0000h
0--u uu11
u
1
u
MCLR Reset during Sleep
0000h
0--u 10uu
u
1
0
u
WDT Reset
0000h
0--u 01uu
1
0
1
u
WDT Wake-up
PC + 2
u--u 00uu
u
0
u
Brown-out Reset
0000h
0--1 11u0
1
0
u
Interrupt wake-up from Sleep
PC + 2(1)
u--u 00uu
u
1
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).
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