參數(shù)資料
型號: PIC12F505
廠商: Microchip Technology Inc.
元件分類: 8位微控制器
英文描述: 8/14-Pin, 8-Bit Flash Microcontrollers
中文描述: 8/14-Pin,8位閃存微控制器
文件頁數(shù): 75/100頁
文件大小: 741K
代理商: PIC12F505
2007 Microchip Technology Inc.
Preliminary
DS41236C-page 73
PIC12F508/509/16F505
10.3
Timing Parameter Symbology and Load Conditions – PIC12F508/509/16F505
The timing parameter symbols have been created following one of the following formats:
FIGURE 10-3:
LOAD CONDITIONS – PIC12F508/509/16F505
FIGURE 10-4:
EXTERNAL CLOCK TIMING – PIC12F508/509/16F505
1. TppS2ppS
2. TppS
T
F
Lowercase subscripts (pp) and their meanings:
pp
2
to
Frequency
T Time
mc
MCLR
ck
CLKOUT
osc
Oscillator
cy
Cycle time
os
OSC1
drt
Device Reset Timer
t0
T0CKI
io
I/O port
wdt
Watchdog Timer
Uppercase letters and their meanings:
S
F
Fall
P
Period
H
High
R
Rise
I
Invalid (high-impedance)
V
Valid
L
Low
Z
High-impedance
C
L
V
SS
pin
Legend:
C
L
= 50 pF for all pins except OSC2
15 pF for OSC2 in XT, HS or LP
modes when external clock
is used to drive OSC1
OSC1
Q4
Q1
Q2
Q3
Q4
Q1
1
3
3
4
4
2
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