Microchip Technology MA330031-2 Data Sheet
2011-2013 Microchip Technology Inc.
DS70000657H-page 427
dsPIC33EPXXXGP50X, dsPIC33EPXXXMC20X/50X AND PIC24EPXXXGP/MC20X
FIGURE 30-15:
SPI2 MASTER MODE (HALF-DUPLEX, TRANSMIT ONLY, CKE = 1)
TIMING CHARACTERISTICS
TIMING CHARACTERISTICS
TABLE 30-34: SPI2 MASTER MODE (HALF-DUPLEX, TRANSMIT ONLY) TIMING REQUIREMENTS
AC CHARACTERISTICS
Standard Operating Conditions: 3.0V to 3.6V
(unless otherwise stated)
Operating temperature
(unless otherwise stated)
Operating temperature
-40°C
T
A
+85°C for Industrial
-40°C
T
A
+125°C for Extended
Param.
Symbol
Characteristic
Min.
Typ.
Max.
Units
Conditions
SP10
FscP
Maximum SCK2 Frequency
—
—
15
MHz
(Note
SP20
TscF
SCK2 Output Fall Time
—
—
—
ns
See Parameter
(Note
SP21
TscR
SCK2 Output Rise Time
—
—
—
ns
See Parameter
(Note
SP30
TdoF
SDO2 Data Output Fall Time
—
—
—
ns
See Parameter
(Note
SP31
TdoR
SDO2 Data Output Rise Time
—
—
—
ns
See Parameter
(Note
SP35
TscH2doV,
TscL2doV
TscL2doV
SDO2 Data Output Valid after
SCK2 Edge
SCK2 Edge
—
6
20
ns
SP36
TdiV2scH,
TdiV2scL
TdiV2scL
SDO2 Data Output Setup to
First SCK2 Edge
First SCK2 Edge
30
—
—
ns
Note 1:
These parameters are characterized, but are not tested in manufacturing.
2:
Data in “Typical” column is at 3.3V, +25°C unless otherwise stated.
3:
The minimum clock period for SCK2 is 66.7 ns. Therefore, the clock generated in Master mode must not
violate this specification.
violate this specification.
4:
Assumes 50 pF load on all SPI2 pins.
SCK2
(CKP = 0)
SCK2
(CKP = 1)
SDO2
SP21
SP20
SP35
SP20
SP21
MSb
LSb
Bit 14 - - - - - -1
SP30, SP31
Note:
Refer to
for load conditions.
SP36
SP10