Vault 7: Projects

This publication series is about specific projects related to the Vault 7 main publication.

© 2007 Microchip Technology Inc. Advance Information DS39699B-page 23-28
Section 23. Serial Peripheral Interface (SPI)
Serial Peripheral
Interface (SPI)
23
Figure 23-19: SPIx Module Slave Mode Timing Characteristics (CKE = 0)
Table 23-5: SPIx Module Slave Mode Timing Requirements (CKE = 0)
AC CHARACTERISTICS
Standard Operating Conditions: 2.0V to 3.6V
(unless otherwise stated)
Operating temperature -40°C TA +85°C for Industrial
Param
No.
Symbol Characteristic Min Typ
(1)
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
(2)
10 25 ns
SP73 TscR SCKx Input Rise Time
(2)
10 25 ns
SP30 TdoF SDOx Data Output Fall Time
(2)
10 25 ns
SP31 TdoR SDOx Data Output Rise Time
(2)
10 25 ns
SP35 TscH2doV,
TscL2doV
SDOx Data Output Valid after
SCKx Edge
30 ns
SP40 TdiV2scH,
TdiV2scL
Setup Time of SDIx Data Input
to SCKx Edge
20 ns
SP41 TscH2diL,
TscL2diL
Hold Time of SDIx Data Input
to SCKx Edge
20 ns
SP50 TssL2scH,
TssL2scL
SSx to SCKx or SCKx Input 120 ns
SP51 TssH2doZ SSx to SDOx Output
High-Impedance
(3)
10 50 ns
SP52 TscH2ssH
TscL2ssH
SSx
after SCKx Edge 1.5 TCY + 40 ns
Note 1: Data in “Typ” column is at 3.3V, 25°C unless otherwise stated. Parameters are for design guidance only and
are not tested.
2: Assumes 50 pF load on all SPIx pins.
SSx
SCKx
(CKP = 0)
SCKx
(CKP = 1)
SDOx
SDI
SP50
SP40
SP41
SP30,SP31
SP51
SP35
SDIx
MSb LSb
Bit 14 - - - - - -1
Bit 14 - - - -1
LSb In
SP52
SP73
SP72
SP72
SP73
SP71 SP70
MSb In

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