Datasheet

dsPIC30F3010/3011
DS70141F-page 194 © 2010 Microchip Technology Inc.
FIGURE 23-16: SPI MODULE MASTER MODE (CKE = 0) TIMING CHARACTERISTICS
TABLE 23-32: SPI MASTER MODE (CKE = 0) TIMING REQUIREMENTS
AC CHARACTERISTICS
Standard Operating Conditions: 2.5V to 5.5V
(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 Max Units Conditions
SP10 TscL SCKX Output Low Time
(2)
TCY/2 — — ns
SP11 TscH SCK
X Output High Time
(2)
TCY/2 — — ns
SP20 TscF SCK
X Output Fall Time
(3)
— — — ns See parameter
DO32
SP21 TscR SCK
X Output Rise Time
(3)
— — — ns See parameter
DO31
SP30 TdoF SDO
X Data Output Fall Time
(3)
— — — ns See parameter
DO32
SP31 TdoR SDO
X Data Output Rise Time
(3)
— — — ns See parameter
DO31
SP35 TscH2doV,
TscL2doV
SDO
X Data Output Valid after
SCK
X Edge
— — 30 ns
SP40 TdiV2scH,
TdiV2scL
Setup Time of SDI
X Data Input
to SCKX Edge
20 — — ns
SP41 TscH2diL,
TscL2diL
Hold Time of SDI
X Data Input
to SCK
X Edge
20 — — ns
Note 1: These parameters are characterized but not tested in manufacturing.
2: The minimum clock period for SCKx is 100 ns. Therefore, the clock generated in Master mode must not
violate this specification.
3: Assumes 50 pF load on all SPI pins.
SCKx
(CKP = 0)
SCKx
(CKP = 1)
SDOx
SDIx
SP11 SP10
SP40
SP41
SP21
SP20
SP35
SP20
SP21
MSb LSb
BIT14 - - - - - -1
LSb In
BIT14 - - - -1
SP30
SP31
Note: Refer to Figure 23-2 for load conditions.
MSb In