Microchip Technology TDGL019 Data Sheet

Page of 330
PIC32MX1XX/2XX
DS60001168F-page 266
© 2011-2014 Microchip Technology Inc.
FIGURE 29-12:
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: 
 for load conditions.
SDI
X
MSb In
TABLE 29-28: 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 (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 50 ns.
4:
Assumes 50 pF load on all SPIx pins.