|
PIC24F16KL402 Datasheet, PDF (217/260 Pages) Microchip Technology – Low-Power, Low-Cost, General Purpose 16-Bit Flash Microcontrollers with nanoWatt XLP Technology | |||
|
◁ |
PIC24F16KL402 FAMILY
FIGURE 26-9:
SSx
EXAMPLE SPI SLAVE MODE TIMING (CKE = 1)
82
70
SCKx
(CKP = 0)
71
72
73
SCKx
(CKP = 1)
80
SDOx
MSb
bit 6 - - - - - - 1
SDIx
MSb In
75, 76
bit 6 - - - - 1
74
Note: Refer to Figure 26-2 for load conditions.
LSb
LSb In
83
77
TABLE 26-30: EXAMPLE SPI SLAVE MODE REQUIREMENTS (CKE = 1)
Param
No.
Symbol
Characteristic
Min
Max Units Conditions
70 TSSL2SCH, SSx ï¯ to SCKx ï¯ or SCKx ï Input
TSSL2SCL
3 TCY
â
70A TSSL2WB SSx to Write to SSPxBUF
3 TCY
â
71
TSCH
71A
SCKx Input High Time
(Slave mode)
Continuous
Single Byte
1.25 TCY + 30 â
40
â
72
TSCL
72A
SCKx Input Low Time
(Slave mode)
Continuous
Single Byte
1.25 TCY + 30 â
40
â
73A TB2B
Last Clock Edge of Byte 1 to the First Clock Edge of Byte 2 1.5 TCY + 40 â
74 TSCH2DIL, Hold Time of SDIx Data Input to SCKx Edge
TSCL2DIL
40
â
75
TDOR
SDOx Data Output Rise Time
â
25
76
TDOF
SDOx Data Output Fall Time
â
25
77 TSSH2DOZ SSx ï to SDOx Output High-Impedance
10
50
80 TSCH2DOV, SDOx Data Output Valid After SCKx Edge
TSCL2DOV
â
50
82 TSSL2DOV SDOx Data Output Valid After SSx ï¯ Edge
â
50
83 TSCH2SSH, SSx ï After SCKx Edge
TSCL2SSH
1.5 TCY + 40 â
FSCK
SCKx Frequency
â
10
Note 1: Requires the use of Parameter #73A.
2: Only if Parameter #71A and #72A are used.
ns
ns
ns
ns (Note 1)
ns
ns (Note 1)
ns (Note 2)
ns
ns
ns
ns
ns
ns
ns
MHz
ï£ 2011 Microchip Technology Inc.
DS31037B-page 217
|
▷ |