PIC16F946 Datasheet, PDF (240/274 Pages) Microchip Technology – 64-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt Technology

PIC16F946
19.5 Timing Parameter Symbology
The timing parameter symbols have been created with
one of the following formats:
1. TppS2ppS
2. TppS
T
F
Frequency
Lowercase letters (pp) and their meanings:
pp
cc
CCP1
ck
CLKO
cs
CS
di
SDI
do
SDO
dt
Data in
io
I/O port
mc
MCLR
Uppercase letters and their meanings:
S
F
Fall
H
High
I
Invalid (High-impedance)
L
Low
T
Time
osc
OSC1
rd
RD
rw
RD or WR
sc
SCK
ss
SS
t0
T0CKI
t1
T1CKI
wr
WR
P
Period
R
Rise
V
Valid
Z
High-impedance
FIGURE 19-2:
LOAD CONDITIONS
Load Condition 1
Load Condition 2
VDD/2
RL
PIN
CL
VSS
Legend: _{RL = 464Ω}
CL = 50 pF for all pins
15 pF for OSC2 output
PIN
CL
VSS
DS41265A-page 238
Preliminary
© 2005 Microchip Technology Inc.