Microchip Technology MA240017 Scheda Tecnica
PIC24F16KA102 FAMILY
DS39927C-page 246
2008-2011 Microchip Technology Inc.
FIGURE 29-17:
SPIx MODULE MASTER MODE TIMING CHARACTERISTICS (CKE = 0)
TABLE 29-36: SPIx MASTER MODE TIMING REQUIREMENTS (CKE = 0)
AC CHARACTERISTICS
Standard Operating Conditions: 2.0V to 3.6V
(unless otherwise stated)
Operating temperature
(unless otherwise stated)
Operating temperature
-40°C
T
A
+125°C for Extended
Param
No.
Symbol
Characteristic
Min
Typ
(
)
Max
Units
Conditions
SP10
TscL
SCKx Output Low Time
T
CY
/2
—
—
ns
SP11
TscH
SCKx Output High Time
T
CY
/2
—
—
ns
SP20
TscF
SCKx Output Fall Time
)
—
10
25
ns
SP21
TscR
SCKx Output Rise Time
(
)
—
10
25
ns
SP30
TdoF
SDOx Data Output Fall Time
(
—
10
25
ns
SP31
TdoR
SDOx Data Output Rise Time
(
)
—
10
25
ns
SP35
TscH2doV,
TscL2doV
TscL2doV
SDOx Data Output Valid after
SCKx Edge
SCKx Edge
—
—
30
ns
SP40
TdiV2scH,
TdiV2scL
TdiV2scL
Setup Time of SDIx Data Input
to SCKx Edge
to SCKx Edge
20
—
—
ns
SP41
TscH2diL,
TscL2diL
TscL2diL
Hold Time of SDIx Data Input
to SCKx Edge
to SCKx Edge
20
—
—
ns
Note 1:
Data in “Typ” column is at 3.3V, 25°C unless otherwise stated. Parameters are for design guidance only and
are not tested.
are not tested.
2:
The minimum clock period for SCKx is 100 ns; therefore, the clock generated in Master mode must not
violate this specification.
violate this specification.
3:
Assumes 50 pF load on all SPIx pins.
SCKx
(CKP = 0)
(CKP = 0)
SCKx
(CKP = 1)
(CKP = 1)
SDOx
SDIx
SP11
SP10
SP40 SP41
SP21
SP20
SP35
SP20
SP21
MSb
LSb
Bit 14 - - - - - -1
LSb In
Bit 14 - - - -1
SP30
SP31
MSb In