Microchip Technology MA330027 Data Sheet
2009-2012 Microchip Technology Inc.
DS70616G-page 539
dsPIC33EPXXX(GP/MC/MU)806/810/814 and PIC24EPXXX(GP/GU)810/814
FIGURE 32-24:
SPI2 MASTER MODE (HALF-DUPLEX, TRANSMIT ONLY, CKE = 1) TIMING
CHARACTERISTICS
TABLE 32-42: 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
TscP
Maximum SCKx Frequency
—
—
15
MHz
See Note
SP20
TscF
SCKx Output Fall Time
—
—
—
ns
See Parameter
and Note
SP21
TscR
SCKx Output Rise Time
—
—
—
ns
See Parameter
and Note
SP30
TdoF
SDOx Data Output Fall Time
—
—
—
ns
and Note
SP31
TdoR
SDOx Data Output Rise Time
—
—
—
ns
and Note
SP35
TscH2doV,
TscL2doV
TscL2doV
SDOx Data Output Valid after
SCKx Edge
SCKx Edge
—
6
20
ns
SP36
TdiV2scH,
TdiV2scL
TdiV2scL
SDOx Data Output Setup to
First SCKx Edge
First SCKx Edge
30
—
—
ns
Note 1: These parameters are characterized, but are not tested in manufacturing.
2: Data in “Typ” column is at 3.3V, +25°C unless otherwise stated.
3: The minimum clock period for SCKx is 66.7 ns. Therefore, the clock generated in Master mode must not
3: The minimum clock period for SCKx is 66.7 ns. Therefore, the clock generated in Master mode must not
violate this specification.
4: Assumes 50 pF load on all SPIx pins.
SCKx
(CKP = 0)
(CKP = 0)
SCKx
(CKP = 1)
(CKP = 1)
SDOx
SP21
SP20
SP35
SP20
SP21
MSb
LSb
Bit 14 - - - - - -1
SP30, SP31
Note: Refer to
for load conditions.
SP36
SP10