Microchip Technology DV320032 Datenbogen
2012-2013 Microchip Technology Inc.
DS60001185C-page 295
PIC32MX330/350/370/430/450/470
FIGURE 30-12:
SPIx MODULE SLAVE MODE (CKE = 0) TIMING CHARACTERISTICS
SS
X
SCK
X
(CKP = 0)
SCK
X
(CKP = 1)
SDO
X
SP50
SP40
SP41
SP30,SP31
SP51
SP35
MSb
LSb
Bit 14 - - - - - -1
Bit 14 - - - -1
LSb In
SP52
SP73
SP72
SP72
SP73
SP71
SP70
SDI
X
MSb In
TABLE 30-30: SPIx MODULE SLAVE MODE (CKE = 0) TIMING REQUIREMENTS
AC CHARACTERISTICS
Standard Operating Conditions: 2.3V to 3.6V
(unless otherwise stated)
Operating temperature -40°C
(unless otherwise stated)
Operating temperature -40°C
T
A
+85°C for Industrial
-40°C
T
A
+105°C for V-temp
Param.
No.
Symbol
Characteristics
(1)
Min.
Typ.
(2)
Max.
Units
Conditions
SP70
T
SC
L
SCKx Input Low Time (Note 3)
T
SCK
/2
—
—
ns
—
SP71
T
SC
H
SCKx Input High Time (Note 3)
T
SCK
/2
—
—
ns
—
SP72
T
SC
F
SCKx Input Fall Time
—
—
—
ns
See parameter DO32
SP73
T
SC
R
SCKx Input Rise Time
—
—
—
ns
See parameter DO31
SP30
T
DO
F
SDOx Data Output Fall Time (Note 4)
—
—
—
ns
See parameter DO32
SP31
T
DO
R
SDOx Data Output Rise Time (Note 4)
—
—
—
ns
See parameter DO31
SP35
T
SC
H2
DO
V,
T
SC
L2
DO
V
SDOx Data Output Valid after
SCKx Edge
—
—
15
ns
V
DD
> 2.7V
—
—
20
ns
V
DD
< 2.7V
SP40
T
DI
V2
SC
H,
T
DI
V2
SC
L
Setup Time of SDIx Data Input
to SCKx Edge
10
—
—
ns
—
SP41
T
SC
H2
DI
L,
T
SC
L2
DI
L
Hold Time of SDIx Data Input
to SCKx Edge
10
—
—
ns
—
SP50
T
SS
L2
SC
H,
T
SS
L2
SC
L
SSx
to SCKx or SCKx Input
175
—
—
ns
—
SP51
T
SS
H2
DO
Z SSx
to SDOx Output
High-Impedance (Note 3)
5
—
25
ns
—
SP52
T
SC
H2
SS
H
T
SC
L2
SS
H
SSx after SCKx Edge
T
SCK
+ 20
—
—
ns
—
Note 1: These parameters are characterized, but not tested in manufacturing.
2: Data in “Typical” column is at 3.3V, 25°C unless otherwise stated. Parameters are for design guidance only
and are not tested.
3: The minimum clock period for SCKx is 40 ns.
4: Assumes 50 pF load on all SPIx pins.
4: Assumes 50 pF load on all SPIx pins.