PIC16HV540 Microchip Technology, PIC16HV540 Datasheet - Page 64

• Manufacturer Part Number: PIC16HV540
• Description: Enhanced PIC16C54 EPROM-Based 8-Bit CMOS Microcontroller
• Manufacturer: Microchip Technology

PIC16HV540
10.3
The timing parameter symbols have been created following one of the following formats:
FIGURE 10-1: LOAD CONDITIONS - PIC16HV540
DS40197B-page 64
1. TppS2ppS
2. TppS
T
F
Lowercase subscripts (pp) and their meanings:
pp
2
ck
cy
drt
io
Uppercase letters and their meanings:
S
F
H
I
L
Frequency
to
CLKOUT
cycle time
device reset timer
I/O port
Fall
High
Invalid (Hi-impedance)
Low
Timing Parameter Symbology and Load Conditions
Pin
V
SS
C
L
Preliminary
C
L
= 50 pF
15 pF
T
mc
osc
os
t0
wdt
P
R
V
Z
Time
MCLR
oscillator
T0CKI
Period
Rise
Valid
Hi-impedance
OSC1
watchdog timer
for all pins except OSC2
for OSC2 in XT, HS or LP
options
clock is used to drive OSC1
when
external
2000 Microchip Technology Inc.