Datasheet

PIC16C7X
DS30390E-page 188  1997 Microchip Technology Inc.
Applicable Devices 72 73 73A 74 74A 76 77
18.4 Timing Parameter Symbology
The timing parameter symbols have been created following one of the following formats:
FIGURE 18-1: LOAD CONDITIONS
1. TppS2ppS
3. T
CC:ST (I
2
C specifications only)
2. TppS
4. Ts (I
2
C specifications only)
T
F Frequency T Time
Lowercase letters (pp) and their meanings:
pp
cc CCP1 osc OSC1
ck CLKOUT rd RD
cs CS rw RD or WR
di SDI sc SCK
do SDO ss SS
dt Data in t0 T0CKI
io I/O port t1 T1CKI
mc MCLR
wr WR
Uppercase letters and their meanings:
S
F Fall P Period
H High R Rise
I Invalid (Hi-impedance) V Valid
L Low Z Hi-impedance
I
2
C only
AA output access High High
BUF Bus free Low Low
T
CC:ST (I
2
C specifications only)
CC
HD Hold SU Setup
ST
DAT DATA input hold STO STOP condition
STA START condition
VDD/2
C
L
RL
Pin Pin
V
SS
VSS
CL
RL = 464Ω
C
L = 50 pF for all pins except OSC2, but including PORTD and PORTE outputs as
ports
15 pF for OSC2 output
Note: PORTD and PORTE are not implemented on the PIC16C73.
Load condition 1
Load condition 2