參數(shù)資料
型號: MCV14AI/P
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 20 MHz, RISC MICROCONTROLLER, PDIP14
封裝: 0.300 INCH, ROHS COMPLIANT, PLASTIC, DIP-14
文件頁數(shù): 66/84頁
文件大?。?/td> 1007K
代理商: MCV14AI/P
2009 Microchip Technology Inc.
Preliminary
DS41338B-page 67
MCV14A
11.3
Timing Parameter Symbology and Load Conditions
The timing parameter symbols have been created following one of the following formats:
FIGURE 11-3:
LOAD CONDITIONS
1. TppS2ppS
2. TppS
T
F
Frequency
T Time
Lowercase subscripts (pp) and their meanings:
pp
2to
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
FFall
P
Period
HHigh
R
Rise
I
Invalid (high-impedance)
V
Valid
L
Low
Z
High-impedance
CL
VSS
pin
Legend:
CL = 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
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