Microchip Technology AC244045 データシート
2010-2012 Microchip Technology Inc.
DS41440C-page 373
PIC16(L)F1825/1829
TABLE 30-15: SPI MODE REQUIREMENTS
Param
No.
Symbol
Characteristic
Min.
Typ† Max. Units Conditions
SP70* T
SS
L2
SC
H,
T
SS
L2
SC
L
SSx
to SCKx or SCKx input
T
CY
—
—
ns
SP71* T
SC
H
SCKx input high time (Slave mode)
T
CY
+ 20
—
—
ns
SP72* T
SC
L
SCKx input low time (Slave mode)
T
CY
+ 20
—
—
ns
SP73* T
DI
V2
SC
H,
T
DI
V2
SC
L
Setup time of SDIx data input to SCKx edge
100
—
—
ns
SP74* T
SC
H2
DI
L,
T
SC
L2
DI
L
Hold time of SDIx data input to SCKx edge
100
—
—
ns
SP75* T
DO
R
SDOx data output rise time
3.0-5.5V
—
10
25
ns
1.8-5.5V
—
25
50
ns
SP76* T
DO
F
SDOx data output fall time
—
10
25
ns
SP77* T
SS
H2
DO
Z SSx
to SDOx output high-impedance
10
—
50
ns
SP78* T
SC
R
SCKx output rise time
(Master mode)
(Master mode)
3.0-5.5V
—
10
25
ns
1.8-5.5V
—
25
50
ns
SP79* T
SC
F
SCKx output fall time (Master mode)
—
10
25
ns
SP80* T
SC
H2
DO
V,
T
SC
L2
DO
V
SDOx data output valid after
SCKx edge
SCKx edge
3.0-5.5V
—
—
50
ns
1.8-5.5V
—
—
145
ns
SP81* T
DO
V2
SC
H,
T
DO
V2
SC
L
SDOx data output setup to SCKx edge
Tcy
—
—
ns
SP82* T
SS
L2
DO
V
SDOx data output valid after SS
edge
—
—
50
ns
SP83* T
SC
H2
SS
H,
T
SC
L2
SS
H
SSx
after SCKx edge
1.5T
CY
+ 40
—
—
ns
* These parameters are characterized but not tested.
† Data in “Typ” column is at 3.0V, 25°C unless otherwise stated. These parameters are for design guidance
† Data in “Typ” column is at 3.0V, 25°C unless otherwise stated. These parameters are for design guidance
only and are not tested.