參數(shù)資料
型號(hào): PIC12CR509A
廠商: Microchip Technology Inc.
英文描述: 8-Pin, 8-Bit CMOS Microcontrollers
中文描述: 8引腳,8位CMOS微控制器
文件頁數(shù): 69/113頁
文件大?。?/td> 1604K
代理商: PIC12CR509A
1999 Microchip Technology Inc.
DS40139E-page 69
PIC12C5XX
11.3
Timing Parameter Symbology and Load Conditions - PIC12C508/C509
The timing parameter symbols have been created following one of the following formats:
1. TppS2ppS
2. TppS
T
F
Lowercase subscripts (pp) and their meanings:
Frequency
T
Time
pp
2
to
mc
MCLR
ck
cy
CLKOUT
cycle time
osc
os
oscillator
OSC1
drt
io
device reset timer
I/O port
t0
wdt
T0CKI
watchdog timer
Uppercase letters and their meanings:
S
F
H
Fall
High
P
R
Period
Rise
I
L
Invalid (Hi-impedance)
Low
V
Z
Valid
Hi-impedance
FIGURE 11-1: LOAD CONDITIONS - PIC12C508/C509
C
L
V
SS
Pin
C
L
= 50 pF for all pins except OSC2
15 pF for OSC2 in XT or LP
modes when external clock
is used to drive OSC1
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