70592C Datasheet, PDF (264/314 Pages) Microchip Technology – High-Performance, 16-bit Microcontrollers

PIC24HJXXXGPX06A/X08A/X10A
FIGURE 24-12:
SPIx MASTER MODE (FULL-DUPLEX, CKE = 0, CKP = X, SMP = 1) TIMING
CHARACTERISTICS
SCKx
(CKP = 0)
SCKx
(CKP = 1)
SP10
SP35
SP21
SP20
SP20
SP21
SDOx
SDIx
MSb
SP30, SP31
MSb In
SP40 SP41
Bit 14 - - - - - -1
LSb
Bit 14 - - - -1
SP30, SP31
LSb In
Note: Refer to Figure 24-1 for load conditions.
TABLE 24-31: SPIx MASTER MODE (FULL-DUPLEX, CKE = 0, CKP = x, SMP = 1) TIMING
REQUIREMENTS
AC CHARACTERISTICS
Standard Operating Conditions: 2.4V to 3.6V
(unless otherwise stated)
Operating temperature -40°C ≤TA ≤+85°C for Industrial
-40°C ≤TA ≤+125°C for Extended
Param
No.
Symbol
Characteristic⁽¹⁾
Min Typ⁽²⁾ Max Units
Conditions
SP10 TscP
Maximum SCK Frequency
—
—
10
MHz ^{-40ºC to +125ºC and}
see Note 3
SP20 TscF
SCKx Output Fall Time
—
—
—
ns See parameter DO32
and Note 4
SP21 TscR
SP30 TdoF
SCKx Output Rise Time
—
SDOx Data Output Fall Time
—
—
—
ns See parameter DO31
and Note 4
—
—
ns See parameter DO32
and Note 4
SP31 TdoR
SDOx Data Output Rise Time —
—
—
ns See parameter DO31
and Note 4
SP35 TscH2doV, SDOx Data Output Valid after —
6
20
ns
—
TscL2doV SCKx Edge
SP36 TdoV2scH, SDOx Data Output Setup to
30
—
—
ns
—
TdoV2scL First SCKx Edge
SP40 TdiV2scH, Setup Time of SDIx Data
30
—
—
ns
—
TdiV2scL Input to SCKx Edge
SP41 TscH2diL, Hold Time of SDIx Data Input 30
—
—
ns
—
TscL2diL to SCKx Edge
Note 1:
2:
3:
4:
These parameters are characterized, but are not tested in manufacturing.
Data in “Typ” column is at 3.3V, 25°C unless otherwise stated.
The minimum clock period for SCKx is 100 ns. The clock generated in Master mode must not violate this
specification.
Assumes 50 pF load on all SPIx pins.
DS70592C-page 264
© 2011 Microchip Technology Inc.