Datasheet
PIC32MX5XX/6XX/7XX
DS60001156J-page 378 2009-2016 Microchip Technology Inc.
FIGURE 32-12: 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
Note:
Refer to Figure 32-1 for load conditions.
SDI
X
MSb In
TABLE 32-30: 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 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
(3)
T
SCK
/2 — — ns —
SP71 T
SC
H SCKx Input High Time
(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
(4)
— — — ns See parameter DO32
SP31 T
DO
R SDOx Data Output Rise Time
(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
(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.