Datasheet

© 2010 Microchip Technology Inc. DS70141F-page 195
dsPIC30F3010/3011
FIGURE 23-17: SPI MODULE MASTER MODE (CKE =1) TIMING CHARACTERISTICS
TABLE 23-33: SPI MODULE MASTER MODE (CKE = 1) 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 SCKX Output High Time
(2)
TCY/2 — — ns
SP20 TscF SCK
X Output Fall Time
(3)
— — — ns See parameter
DO32
SP21 TscR SCKX Output Rise Time
(3)
— — — ns See parameter
DO31
SP30 TdoF SDO
X Data Output Fall
Time
(3)
— — — ns See parameter
DO32
SP31 TdoR SDOX Data Output Rise
Time
(3)
— — — ns See parameter
DO31
SP35 TscH2doV,
TscL2doV
SDOX Data Output Valid After
SCKX Edge
——30ns
SP36 TdoV2sc,
TdoV2scL
SDO
X Data Output Setup to
First 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)
SCK
X
(CKP = 1)
SDO
X
SDIX
SP36
SP30,SP31
SP35
MSb
MSb IN
BIT14 - - - - - -1
LSb IN
BIT14 - - - -1
LSb
Note: Refer to Figure 23-2 for load conditions.
SP11 SP10
SP20
SP21
SP21
SP20
SP40
SP41