Datasheet

PIC24FV16KM204 FAMILY
DS30003030B-page 288  2013 Microchip Technology Inc.
FIGURE 27-13: EXAMPLE SPI SLAVE MODE TIMING (CKE = 0)
TABLE 27-31: EXAMPLE SPI MODE REQUIREMENTS (SLAVE MODE TIMING, CKE = 0)
Param
No.
Symbol Characteristic Min Max Units Conditions
70 T
SSL2SCH,
T
SSL2SCL
SSx
 to SCKx  or SCKx  Input 3 TCY —ns
70A TSSL2WB SSx to Write to SSPxBUF 3 TCY —ns
71 TSCH SCKx Input High Time
(Slave mode)
Continuous 1.25 TCY + 30 — ns
71A Single Byte 40 — ns (Note 1)
72 T
SCL SCKx Input Low Time
(Slave mode)
Continuous 1.25 TCY + 30 — ns
72A Single Byte 40 — ns (Note 1)
73 TDIV2SCH,
T
DIV2SCL
Setup Time of SDIx Data Input to SCKx Edge 20 — ns
73A TB2B Last Clock Edge of Byte 1 to the First Clock Edge of Byte 2 1.5 TCY + 40 — ns (Note 2)
74 T
SCH2DIL,
T
SCL2DIL
Hold Time of SDIx Data Input to SCKx Edge 40 — ns
75 TDOR SDOx Data Output Rise Time — 25 ns
76 T
DOF SDOx Data Output Fall Time — 25 ns
77 T
SSH2DOZ SSx  to SDOx Output High-Impedance 10 50 ns
80 T
SCH2DOV,
T
SCL2DOV
SDOx Data Output Valid After SCKx Edge — 50 ns
83 T
SCH2SSH,
T
SCL2SSH
SSx
 After SCKx Edge 1.5 TCY + 40 — ns
F
SCK SCKx Frequency — 10 MHz
Note 1: Requires the use of Parameter 73A.
2: Only if Parameters 71A and 72A are used.
SSx
SCKx
(CKP = 0)
SCKx
(CKP = 1)
SDOx
SDIx
70
71 72
73
74
75, 76
77
80
MSb LSbbit 6 - - - - - - 1
bit 6 - - - - 1
LSb In
83
Note: Refer to Figure 27-5 for load conditions.
MSb In