DSPIC30F2011 Datasheet, PDF (177/207 Pages) Microchip Technology – High-Performance Digital Signal Controllers

dsPIC30F2011/2012/3012/3013
FIGURE 20-16: SPI MODULE SLAVE MODE (CKE = 0) TIMING CHARACTERISTICS
SSX
SCKX
(CKP = 0)
SP50
SP71 SP70
SP52
SP73 SP72
SCKX
(CKP = 1)
SP35
SP72
SDOX
MSb
BIT14 - - - - - -1
SP30,SP31
SDIX
MSb IN
BIT14 - - - -1
SP41
SP40
Note: Refer to Figure 20-3 for load conditions.
SP73
LSb
SP51
LSb IN
TABLE 20-33: SPI MODULE SLAVE 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⁽²⁾
Max
Units Conditions
SP70 TscL
SCKX Input Low Time
30
—
—
ns
—
SP71 TscH
SCKX Input High Time
30
—
—
ns
—
SP72 TscF
SCKX Input Fall Time⁽³⁾
—
10
25
ns
—
SP73 TscR
SCKX Input Rise Time⁽³⁾
—
10
25
ns
—
SP30 TdoF
SDOX Data Output Fall Time⁽³⁾
—
10
25
ns
—
SP31 TdoR
SDOX Data Output Rise Time⁽³⁾
—
10
25
ns
—
SP35 TscH2doV, SDOX Data Output Valid after
—
—
30
ns
—
TscL2doV SCKX Edge
SP40 TdiV2scH, Setup Time of SDIX Data Input
20
—
—
ns
—
TdiV2scL to SCKX Edge
SP41 TscH2diL, Hold Time of SDIX Data Input
20
—
—
ns
—
TscL2diL to SCKX Edge
SP50 TssL2scH, SSX↓ to SCKX↑ or SCKX↓ Input
120
—
—
ns
—
TssL2scL
SP51
TssH2doZ SSX↑ to SDOX Output
Hi-Impedance⁽³⁾
10
—
50
ns
—
SP52
TscH2ssH SSX after SCK Edge
TscL2ssH
1.5 TCY +40 —
—
ns
—
Note 1: These parameters are characterized but not tested in manufacturing.
2: Data in “Typ” column is at 5V, 25°C unless otherwise stated. Parameters are for design guidance only and
are not tested.
3: Assumes 50 pF load on all SPI pins.
© 2005 Microchip Technology Inc.
Preliminary
DS70139C-page 175