Datasheet

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
SSX
SCKX
(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 30-1 for load conditions.
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 TA +85°C for Industrial
-40°C TA +105°C for V-temp
Param.
No.
Symbol Characteristics
(1)
Min. Typ.
(2)
Max. Units Conditions
SP70 TSCL SCKx Input Low Time (Note 3) TSCK/2 ns
SP71 TSCH SCKx Input High Time (Note 3) TSCK/2 ns
SP72 TSCF SCKx Input Fall Time ns See parameter DO32
SP73 TSCR SCKx Input Rise Time ns See parameter DO31
SP30 TDOF SDOx Data Output Fall Time (Note 4) ns See parameter DO32
SP31 TDOR SDOx Data Output Rise Time (Note 4) ns See parameter DO31
SP35 TSCH2DOV,
TSCL2DOV
SDOx Data Output Valid after
SCKx Edge
15 ns VDD > 2.7V
20 ns VDD < 2.7V
SP40 TDIV2SCH,
T
DIV2SCL
Setup Time of SDIx Data Input
to SCKx Edge
10 ns
SP41 TSCH2DIL,
T
SCL2DIL
Hold Time of SDIx Data Input
to SCKx Edge
10 ns
SP50 TSSL2SCH,
T
SSL2SCL
SSx to SCKx or SCKx Input 175 ns
SP51 TSSH2DOZ SSx to SDOx Output
High-Impedance (Note 3)
5 25 ns
SP52 TSCH2SSH
TSCL2SSH
SSx after SCKx Edge TSCK + 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.